fastspec Data Model

Summary

Spectroscopic fitting results.

Naming Convention

fastspec-SURVEY-PROGRAM-HEALPIX.fits.gz, where SURVEY is the survey name (e.g., main or sv3), PROGRAM is the program name (e.g., bright or dark), and HEALPIX is the healpixel number.

Regex

fastspec-(cmx|main|special|sv1|sv2|sv3)-(backup|bright|dark|other)-[0-9]+\.fits.gz

File Type

FITS

Contents

Number	EXTNAME	Type	Contents
HDU00	PRIMARY	IMAGE	Keywords only.
HDU01	FASTSPEC	BINTABLE	Table with spectral fitting results.
HDU02	METADATA	BINTABLE	Table with sample metadata.
HDU03	MODELS	IMAGE	Model spectra.

FITS Header Units

HDU00

EXTNAME = PRIMARY

Required Header Keywords

Required Header Keywords Table

KEY	Example Value	Type	Comment
SPECPROD	fuji	str	Spectroscopic production name
COADDTYP	healpix	str	Type of spectral coadd (healpix,cumulative,pernight,perexp)
CHECKSUM	ZHWHZHVFZHVFZHVF	str	HDU checksum updated 2022-08-02T19:06:22
DATASUM	0	str	data unit checksum updated 2022-08-02T19:06:22

Empty HDU.

HDU01

EXTNAME = FASTSPEC

Spectroscopic fitting results.

Required Header Keywords

Required Header Keywords Table

KEY	Example Value	Type	Comment
NAXIS1	3115	int	length of dimension 1
NAXIS2	338	int	length of dimension 2
CHECKSUM	WLDnaKDlWKDlaKDl	str	HDU checksum updated 2022-08-03T14:25:08
DATASUM	756558178	str	data unit checksum updated 2022-08-03T14:25:08

Required Data Table Columns

Name	Type	Units	Description
TARGETID	int64		Unique target ID.
SURVEY 1	bytes3		Survey name.
PROGRAM 1	bytes6		Program name.
HEALPIX 1	int32		Healpixel number.
TILEID 2	int32		Tile ID number.
FIBER 2	int32		Fiber number.
NIGHT 2	int32		Night of observation.
EXPID 3	int32		Exposure ID number.
CONTINUUM_Z	float64		Stellar continuum redshift.
CONTINUUM_COEFF	float64[16]		Continuum coefficients.
CONTINUUM_RCHI2	float32		Reduced chi-squared of the stellar continuum fit.
CONTINUUM_AGE	float32	Gyr	Light-weighted age.
CONTINUUM_AV	float32	mag	Intrinsic attenuation.
CONTINUUM_AV_IVAR	float32	1 / mag2	Inverse variance of CONTINUUM_AV.
CONTINUUM_VDISP	float32	km / s	Stellar velocity dispersion.
CONTINUUM_VDISP_IVAR	float32	s2 / km2	Inverse variance of CONTINUUM_VDISP.
CONTINUUM_SNR_B	float32		Median signal-to-noise ratio per pixel in b camera.
CONTINUUM_SNR_R	float32		Median signal-to-noise ratio per pixel in r camera.
CONTINUUM_SNR_Z	float32		Median signal-to-noise ratio per pixel in z camera.
CONTINUUM_SMOOTHCORR_B	float32	percent	Mean value of the smooth continuum correction divided by the best-fitting continuum model in the b camera.
CONTINUUM_SMOOTHCORR_R	float32	percent	Mean value of the smooth continuum correction divided by the best-fitting continuum model in the r camera.
CONTINUUM_SMOOTHCORR_Z	float32	percent	Mean value of the smooth continuum correction divided by the best-fitting continuum model in the z camera.
DN4000	float32		Narrow 4000-A break index (from Balogh et al. 1999) measured from the data.
DN4000_IVAR	float32		Inverse variance of DN4000.
DN4000_MODEL	float32		Narrow 4000-A break index (from Balogh et al. 1999) measured from the best-fitting continuum model.
FLUX_SYNTH_G	float32	nmgy	g-band flux synthesized from the data.
FLUX_SYNTH_R	float32	nmgy	r-band flux synthesized from the data.
FLUX_SYNTH_Z	float32	nmgy	z-band flux synthesized from the data.
FLUX_SYNTH_MODEL_G	float32	nmgy	g-band flux synthesized from the best-fitting continuum model.
FLUX_SYNTH_MODEL_R	float32	nmgy	r-band flux synthesized from the best-fitting continuum model.
FLUX_SYNTH_MODEL_Z	float32	nmgy	z-band flux synthesized from the best-fitting continuum model.
RCHI2	float32		Reduced chi-squared of the full-spectrum fit (continuum plus emission lines).
LINERCHI2_BROAD	float32		Reduced chi-squared of an emission-line model which includes broad lines.
DELTA_LINERCHI2	float32		Difference in the reduced chi-squared values between an emission-line model with narrow lines only and a model with both broad and narrow lines.
NARROW_Z	float32	km / s	Mean redshift of well-measured narrow rest-frame optical emission lines (defaults to CONTINIUUM_Z).
BROAD_Z	float32	km / s	Mean redshift of well-measured broad rest-frame optical emission lines (defaults to CONTINIUUM_Z).
UV_Z	float32	km / s	Mean redshift of well-measured rest-frame UV emission lines (defaults to CONTINIUUM_Z).
NARROW_SIGMA	float32	km / s	Mean line-width of well-measured narrow rest-frame optical emission lines.
BROAD_SIGMA	float32	km / s	Mean line-width of well-measured broad rest-frame optical emission lines.
UV_SIGMA	float32	km / s	Mean line-width of well-measured rest-frame UV emission lines.
MGII_DOUBLET_RATIO	float32		MgII 2796 / 2803 doublet line-ratio.
OII_DOUBLET_RATIO	float32		[OII] 3726 / 3729 doublet line-ratio.
SII_DOUBLET_RATIO	float32		[SII] 6731 / 6716 doublet line-ratio.
OI_1304_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
OI_1304_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
OI_1304_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
OI_1304_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
OI_1304_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
OI_1304_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
OI_1304_SIGMA	float32	km / s	Gaussian emission-line width.
OI_1304_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
OI_1304_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
OI_1304_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
OI_1304_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
OI_1304_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
OI_1304_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
OI_1304_CHI2	float32		Reduced chi^2 of the line-fit.
OI_1304_NPIX	int32		Number of pixels attributed to the emission line.
SILIV_1396_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
SILIV_1396_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
SILIV_1396_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
SILIV_1396_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
SILIV_1396_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
SILIV_1396_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
SILIV_1396_SIGMA	float32	km / s	Gaussian emission-line width.
SILIV_1396_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
SILIV_1396_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
SILIV_1396_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
SILIV_1396_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
SILIV_1396_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
SILIV_1396_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
SILIV_1396_CHI2	float32		Reduced chi^2 of the line-fit.
SILIV_1396_NPIX	int32		Number of pixels attributed to the emission line.
CIV_1549_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
CIV_1549_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
CIV_1549_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
CIV_1549_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
CIV_1549_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
CIV_1549_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
CIV_1549_SIGMA	float32	km / s	Gaussian emission-line width.
CIV_1549_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
CIV_1549_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
CIV_1549_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
CIV_1549_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
CIV_1549_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
CIV_1549_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
CIV_1549_CHI2	float32		Reduced chi^2 of the line-fit.
CIV_1549_NPIX	int32		Number of pixels attributed to the emission line.
SILIII_1892_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
SILIII_1892_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
SILIII_1892_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
SILIII_1892_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
SILIII_1892_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
SILIII_1892_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
SILIII_1892_SIGMA	float32	km / s	Gaussian emission-line width.
SILIII_1892_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
SILIII_1892_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
SILIII_1892_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
SILIII_1892_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
SILIII_1892_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
SILIII_1892_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
SILIII_1892_CHI2	float32		Reduced chi^2 of the line-fit.
SILIII_1892_NPIX	int32		Number of pixels attributed to the emission line.
CIII_1908_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
CIII_1908_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
CIII_1908_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
CIII_1908_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
CIII_1908_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
CIII_1908_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
CIII_1908_SIGMA	float32	km / s	Gaussian emission-line width.
CIII_1908_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
CIII_1908_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
CIII_1908_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
CIII_1908_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
CIII_1908_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
CIII_1908_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
CIII_1908_CHI2	float32		Reduced chi^2 of the line-fit.
CIII_1908_NPIX	int32		Number of pixels attributed to the emission line.
MGII_2796_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
MGII_2796_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
MGII_2796_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
MGII_2796_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
MGII_2796_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
MGII_2796_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
MGII_2796_SIGMA	float32	km / s	Gaussian emission-line width.
MGII_2796_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
MGII_2796_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
MGII_2796_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
MGII_2796_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
MGII_2796_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
MGII_2796_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
MGII_2796_CHI2	float32		Reduced chi^2 of the line-fit.
MGII_2796_NPIX	int32		Number of pixels attributed to the emission line.
MGII_2803_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
MGII_2803_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
MGII_2803_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
MGII_2803_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
MGII_2803_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
MGII_2803_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
MGII_2803_SIGMA	float32	km / s	Gaussian emission-line width.
MGII_2803_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
MGII_2803_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
MGII_2803_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
MGII_2803_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
MGII_2803_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
MGII_2803_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
MGII_2803_CHI2	float32		Reduced chi^2 of the line-fit.
MGII_2803_NPIX	int32		Number of pixels attributed to the emission line.
NEV_3346_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
NEV_3346_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
NEV_3346_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
NEV_3346_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
NEV_3346_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
NEV_3346_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
NEV_3346_SIGMA	float32	km / s	Gaussian emission-line width.
NEV_3346_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
NEV_3346_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
NEV_3346_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
NEV_3346_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
NEV_3346_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
NEV_3346_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
NEV_3346_CHI2	float32		Reduced chi^2 of the line-fit.
NEV_3346_NPIX	int32		Number of pixels attributed to the emission line.
NEV_3426_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
NEV_3426_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
NEV_3426_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
NEV_3426_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
NEV_3426_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
NEV_3426_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
NEV_3426_SIGMA	float32	km / s	Gaussian emission-line width.
NEV_3426_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
NEV_3426_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
NEV_3426_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
NEV_3426_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
NEV_3426_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
NEV_3426_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
NEV_3426_CHI2	float32		Reduced chi^2 of the line-fit.
NEV_3426_NPIX	int32		Number of pixels attributed to the emission line.
OII_3726_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
OII_3726_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
OII_3726_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
OII_3726_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
OII_3726_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
OII_3726_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
OII_3726_SIGMA	float32	km / s	Gaussian emission-line width.
OII_3726_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
OII_3726_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
OII_3726_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
OII_3726_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
OII_3726_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
OII_3726_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
OII_3726_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
OII_3726_NPIX	int32		Number of pixels attributed to the emission line.
OII_3729_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
OII_3729_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
OII_3729_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
OII_3729_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
OII_3729_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
OII_3729_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
OII_3729_SIGMA	float32	km / s	Gaussian emission-line width.
OII_3729_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
OII_3729_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
OII_3729_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
OII_3729_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
OII_3729_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
OII_3729_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
OII_3729_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
OII_3729_NPIX	int32		Number of pixels attributed to the emission line.
NEIII_3869_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
NEIII_3869_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
NEIII_3869_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
NEIII_3869_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
NEIII_3869_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
NEIII_3869_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
NEIII_3869_SIGMA	float32	km / s	Gaussian emission-line width.
NEIII_3869_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
NEIII_3869_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
NEIII_3869_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
NEIII_3869_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
NEIII_3869_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
NEIII_3869_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
NEIII_3869_CHI2	float32		Reduced chi^2 of the line-fit.
NEIII_3869_NPIX	int32		Number of pixels attributed to the emission line.
H6_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
H6_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
H6_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
H6_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
H6_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
H6_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
H6_SIGMA	float32	km / s	Gaussian emission-line width.
H6_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
H6_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
H6_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
H6_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
H6_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
H6_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
H6_CHI2	float32		Reduced chi^2 of the line-fit.
H6_NPIX	int32		Number of pixels attributed to the emission line.
H6_BROAD_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
H6_BROAD_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
H6_BROAD_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
H6_BROAD_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
H6_BROAD_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
H6_BROAD_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
H6_BROAD_SIGMA	float32	km / s	Gaussian emission-line width.
H6_BROAD_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
H6_BROAD_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
H6_BROAD_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
H6_BROAD_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
H6_BROAD_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
H6_BROAD_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
H6_BROAD_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
H6_BROAD_NPIX	int32		Number of pixels attributed to the emission line.
HEPSILON_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HEPSILON_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HEPSILON_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HEPSILON_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HEPSILON_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HEPSILON_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HEPSILON_SIGMA	float32	km / s	Gaussian emission-line width.
HEPSILON_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HEPSILON_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HEPSILON_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HEPSILON_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HEPSILON_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HEPSILON_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HEPSILON_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
HEPSILON_NPIX	int32		Number of pixels attributed to the emission line.
HEPSILON_BROAD_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HEPSILON_BROAD_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HEPSILON_BROAD_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HEPSILON_BROAD_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HEPSILON_BROAD_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HEPSILON_BROAD_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HEPSILON_BROAD_SIGMA	float32	km / s	Gaussian emission-line width.
HEPSILON_BROAD_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HEPSILON_BROAD_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HEPSILON_BROAD_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HEPSILON_BROAD_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HEPSILON_BROAD_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HEPSILON_BROAD_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HEPSILON_BROAD_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
HEPSILON_BROAD_NPIX	int32		Number of pixels attributed to the emission line.
HDELTA_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HDELTA_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HDELTA_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HDELTA_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HDELTA_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HDELTA_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HDELTA_SIGMA	float32	km / s	Gaussian emission-line width.
HDELTA_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HDELTA_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HDELTA_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HDELTA_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HDELTA_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HDELTA_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HDELTA_CHI2	float32		Reduced chi^2 of the line-fit.
HDELTA_NPIX	int32		Number of pixels attributed to the emission line.
HDELTA_BROAD_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HDELTA_BROAD_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HDELTA_BROAD_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HDELTA_BROAD_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HDELTA_BROAD_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HDELTA_BROAD_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HDELTA_BROAD_SIGMA	float32	km / s	Gaussian emission-line width.
HDELTA_BROAD_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HDELTA_BROAD_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HDELTA_BROAD_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HDELTA_BROAD_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HDELTA_BROAD_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HDELTA_BROAD_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HDELTA_BROAD_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
HDELTA_BROAD_NPIX	int32		Number of pixels attributed to the emission line.
HGAMMA_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HGAMMA_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HGAMMA_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HGAMMA_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HGAMMA_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HGAMMA_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HGAMMA_SIGMA	float32	km / s	Gaussian emission-line width.
HGAMMA_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HGAMMA_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HGAMMA_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HGAMMA_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HGAMMA_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HGAMMA_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HGAMMA_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
HGAMMA_NPIX	int32		Number of pixels attributed to the emission line.
HGAMMA_BROAD_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HGAMMA_BROAD_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HGAMMA_BROAD_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HGAMMA_BROAD_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HGAMMA_BROAD_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HGAMMA_BROAD_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HGAMMA_BROAD_SIGMA	float32	km / s	Gaussian emission-line width.
HGAMMA_BROAD_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HGAMMA_BROAD_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HGAMMA_BROAD_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HGAMMA_BROAD_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HGAMMA_BROAD_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HGAMMA_BROAD_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HGAMMA_BROAD_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
HGAMMA_BROAD_NPIX	int32		Number of pixels attributed to the emission line.
OIII_4363_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
OIII_4363_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
OIII_4363_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
OIII_4363_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
OIII_4363_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
OIII_4363_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
OIII_4363_SIGMA	float32	km / s	Gaussian emission-line width.
OIII_4363_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
OIII_4363_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
OIII_4363_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
OIII_4363_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
OIII_4363_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
OIII_4363_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
OIII_4363_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
OIII_4363_NPIX	int32		Number of pixels attributed to the emission line.
HEI_4471_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HEI_4471_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HEI_4471_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HEI_4471_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HEI_4471_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HEI_4471_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HEI_4471_SIGMA	float32	km / s	Gaussian emission-line width.
HEI_4471_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HEI_4471_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HEI_4471_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HEI_4471_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HEI_4471_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HEI_4471_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HEI_4471_CHI2	float32		Reduced chi^2 of the line-fit.
HEI_4471_NPIX	int32		Number of pixels attributed to the emission line.
HEII_4686_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HEII_4686_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HEII_4686_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HEII_4686_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HEII_4686_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HEII_4686_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HEII_4686_SIGMA	float32	km / s	Gaussian emission-line width.
HEII_4686_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HEII_4686_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HEII_4686_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HEII_4686_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HEII_4686_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HEII_4686_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HEII_4686_CHI2	float32		Reduced chi^2 of the line-fit.
HEII_4686_NPIX	int32		Number of pixels attributed to the emission line.
HBETA_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HBETA_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HBETA_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HBETA_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HBETA_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HBETA_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HBETA_SIGMA	float32	km / s	Gaussian emission-line width.
HBETA_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HBETA_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HBETA_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HBETA_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HBETA_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HBETA_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HBETA_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
HBETA_NPIX	int32		Number of pixels attributed to the emission line.
HBETA_BROAD_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HBETA_BROAD_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HBETA_BROAD_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HBETA_BROAD_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HBETA_BROAD_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HBETA_BROAD_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HBETA_BROAD_SIGMA	float32	km / s	Gaussian emission-line width.
HBETA_BROAD_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HBETA_BROAD_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HBETA_BROAD_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HBETA_BROAD_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HBETA_BROAD_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HBETA_BROAD_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HBETA_BROAD_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
HBETA_BROAD_NPIX	int32		Number of pixels attributed to the emission line.
OIII_4959_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
OIII_4959_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
OIII_4959_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
OIII_4959_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
OIII_4959_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
OIII_4959_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
OIII_4959_SIGMA	float32	km / s	Gaussian emission-line width.
OIII_4959_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
OIII_4959_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
OIII_4959_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
OIII_4959_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
OIII_4959_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
OIII_4959_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
OIII_4959_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
OIII_4959_NPIX	int32		Number of pixels attributed to the emission line.
OIII_5007_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
OIII_5007_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
OIII_5007_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
OIII_5007_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
OIII_5007_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
OIII_5007_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
OIII_5007_SIGMA	float32	km / s	Gaussian emission-line width.
OIII_5007_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
OIII_5007_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
OIII_5007_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
OIII_5007_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
OIII_5007_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
OIII_5007_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
OIII_5007_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
OIII_5007_NPIX	int32		Number of pixels attributed to the emission line.
NII_5755_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
NII_5755_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
NII_5755_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
NII_5755_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
NII_5755_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
NII_5755_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
NII_5755_SIGMA	float32	km / s	Gaussian emission-line width.
NII_5755_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
NII_5755_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
NII_5755_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
NII_5755_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
NII_5755_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
NII_5755_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
NII_5755_CHI2	float32		Reduced chi^2 of the line-fit.
NII_5755_NPIX	int32		Number of pixels attributed to the emission line.
HEI_5876_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HEI_5876_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HEI_5876_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HEI_5876_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HEI_5876_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HEI_5876_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HEI_5876_SIGMA	float32	km / s	Gaussian emission-line width.
HEI_5876_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HEI_5876_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HEI_5876_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HEI_5876_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HEI_5876_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HEI_5876_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HEI_5876_CHI2	float32		Reduced chi^2 of the line-fit.
HEI_5876_NPIX	int32		Number of pixels attributed to the emission line.
OI_6300_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
OI_6300_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
OI_6300_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
OI_6300_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
OI_6300_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
OI_6300_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
OI_6300_SIGMA	float32	km / s	Gaussian emission-line width.
OI_6300_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
OI_6300_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
OI_6300_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
OI_6300_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
OI_6300_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
OI_6300_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
OI_6300_CHI2	float32		Reduced chi^2 of the line-fit.
OI_6300_NPIX	int32		Number of pixels attributed to the emission line.
NII_6548_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
NII_6548_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
NII_6548_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
NII_6548_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
NII_6548_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
NII_6548_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
NII_6548_SIGMA	float32	km / s	Gaussian emission-line width.
NII_6548_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
NII_6548_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
NII_6548_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
NII_6548_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
NII_6548_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
NII_6548_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
NII_6548_CHI2	float32		Reduced chi^2 of the line-fit.
NII_6548_NPIX	int32		Number of pixels attributed to the emission line.
HALPHA_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HALPHA_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HALPHA_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HALPHA_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HALPHA_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HALPHA_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HALPHA_SIGMA	float32	km / s	Gaussian emission-line width.
HALPHA_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HALPHA_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HALPHA_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HALPHA_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HALPHA_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HALPHA_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HALPHA_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
HALPHA_NPIX	int32		Number of pixels attributed to the emission line.
HALPHA_BROAD_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
HALPHA_BROAD_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
HALPHA_BROAD_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
HALPHA_BROAD_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
HALPHA_BROAD_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
HALPHA_BROAD_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
HALPHA_BROAD_SIGMA	float32	km / s	Gaussian emission-line width.
HALPHA_BROAD_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
HALPHA_BROAD_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
HALPHA_BROAD_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
HALPHA_BROAD_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
HALPHA_BROAD_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
HALPHA_BROAD_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
HALPHA_BROAD_CHI2	float32		Reduced chi^2 of the line-fit (default value 1e6).
HALPHA_BROAD_NPIX	int32		Number of pixels attributed to the emission line.
NII_6584_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
NII_6584_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
NII_6584_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
NII_6584_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
NII_6584_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
NII_6584_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
NII_6584_SIGMA	float32	km / s	Gaussian emission-line width.
NII_6584_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
NII_6584_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
NII_6584_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
NII_6584_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
NII_6584_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
NII_6584_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
NII_6584_CHI2	float32		Reduced chi^2 of the line-fit.
NII_6584_NPIX	int32		Number of pixels attributed to the emission line.
SII_6716_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
SII_6716_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
SII_6716_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
SII_6716_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
SII_6716_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
SII_6716_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
SII_6716_SIGMA	float32	km / s	Gaussian emission-line width.
SII_6716_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
SII_6716_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
SII_6716_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
SII_6716_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
SII_6716_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
SII_6716_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
SII_6716_CHI2	float32		Reduced chi^2 of the line-fit.
SII_6716_NPIX	int32		Number of pixels attributed to the emission line.
SII_6731_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
SII_6731_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
SII_6731_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
SII_6731_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
SII_6731_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
SII_6731_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
SII_6731_SIGMA	float32	km / s	Gaussian emission-line width.
SII_6731_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
SII_6731_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
SII_6731_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
SII_6731_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
SII_6731_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
SII_6731_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
SII_6731_CHI2	float32		Reduced chi^2 of the line-fit.
SII_6731_NPIX	int32		Number of pixels attributed to the emission line.
OII_7320_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
OII_7320_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
OII_7320_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
OII_7320_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
OII_7320_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
OII_7320_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
OII_7320_SIGMA	float32	km / s	Gaussian emission-line width.
OII_7320_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
OII_7320_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
OII_7320_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
OII_7320_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
OII_7320_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
OII_7320_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
OII_7320_CHI2	float32		Reduced chi^2 of the line-fit.
OII_7320_NPIX	int32		Number of pixels attributed to the emission line.
OII_7330_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
OII_7330_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
OII_7330_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
OII_7330_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
OII_7330_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
OII_7330_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
OII_7330_SIGMA	float32	km / s	Gaussian emission-line width.
OII_7330_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
OII_7330_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
OII_7330_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
OII_7330_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
OII_7330_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
OII_7330_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
OII_7330_CHI2	float32		Reduced chi^2 of the line-fit.
OII_7330_NPIX	int32		Number of pixels attributed to the emission line.
SIII_9069_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
SIII_9069_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
SIII_9069_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
SIII_9069_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
SIII_9069_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
SIII_9069_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
SIII_9069_SIGMA	float32	km / s	Gaussian emission-line width.
SIII_9069_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
SIII_9069_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
SIII_9069_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
SIII_9069_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
SIII_9069_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
SIII_9069_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
SIII_9069_CHI2	float32		Reduced chi^2 of the line-fit.
SIII_9069_NPIX	int32		Number of pixels attributed to the emission line.
SIII_9532_AMP	float32	1e-17 erg / (Angstrom cm2 s)	Emission line amplitude.
SIII_9532_AMP_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of line-amplitude.
SIII_9532_FLUX	float32	1e-17 erg / (cm2 s)	Gaussian-integrated emission-line flux.
SIII_9532_FLUX_IVAR	float32	1e+34 cm4 s2 / erg2	Inverse variance of integrated flux.
SIII_9532_BOXFLUX	float32	1e-17 erg / (cm2 s)	Boxcar-integrated emission-line flux.
SIII_9532_VSHIFT	float32	km / s	Velocity shift relative to CONTINUUM_Z.
SIII_9532_SIGMA	float32	km / s	Gaussian emission-line width.
SIII_9532_CONT	float32	1e-17 erg / (Angstrom cm2 s)	Continuum flux at line center.
SIII_9532_CONT_IVAR	float32	1e+34 Angstrom2 cm4 s2 / erg2	Inverse variance of continuum flux.
SIII_9532_EW	float32	Angstrom	Rest-frame emission-line equivalent width.
SIII_9532_EW_IVAR	float32	1 / Angstrom2	Inverse variance of equivalent width.
SIII_9532_FLUX_LIMIT	float32	erg / (cm2 s)	One-sigma upper limit on the emission line flux.
SIII_9532_EW_LIMIT	float32	Angstrom	One-sigma upper limit on the emission line equivalent width.
SIII_9532_CHI2	float32		Reduced chi^2 of the line-fit.
SIII_9532_NPIX	int32		Number of pixels attributed to the emission line.

HDU02

EXTNAME = METADATA

Metadata associated with each objected fitted.

Required Header Keywords

Required Header Keywords Table

KEY	Example Value	Type	Comment
NAXIS1	339	int	length of dimension 1
NAXIS2	338	int	length of dimension 2
CHECKSUM	hFY6jCV3hCV3hCV3	str	HDU checksum updated 2022-08-03T14:25:08
DATASUM	1759692941	str	data unit checksum updated 2022-08-03T14:25:08

Required Data Table Columns

Name	Type	Units	Description
TARGETID	int64		Unique target ID.
SURVEY 1	bytes3		Survey name.
PROGRAM 1	bytes6		Program name.
HEALPIX 1	int32		Healpixel number.
TILEID 2	int32		Tile ID number.
FIBER 2	int32		Fiber number.
NIGHT 2	int32		Night of observation.
EXPID 3	int32		Exposure ID number.
TILEID_LIST	str5		List of tile IDs that went into healpix coadd.
RA	float64	deg	Right ascension from target catalog.
DEC	float64	deg	Declination from target catalog.
COADD_FIBERSTATUS	int64		Fiber status bit.
CMX_TARGET 4	int64		Commissioning (CMX) targeting bit.
DESI_TARGET	int64		DESI targeting bit.
BGS_TARGET	int64		BGS targeting bit.
MWS_TARGET	int64		MWS targeting bit.
SCND_TARGET	int64		Secondary target targeting bit.
SV1_DESI_TARGET 4	int64		SV1 DESI targeting bit.
SV1_BGS_TARGET 4	int64		SV1 BGS targeting bit.
SV1_MWS_TARGET 4	int64		SV1 MWS targeting bit.
SV2_DESI_TARGET 4	int64		SV2 DESI targeting bit.
SV2_BGS_TARGET 4	int64		SV2 BGS targeting bit.
SV2_MWS_TARGET 4	int64		SV2 MWS targeting bit.
SV3_DESI_TARGET 4	int64		SV3 DESI targeting bit.
SV3_BGS_TARGET 4	int64		SV3 BGS targeting bit.
SV3_MWS_TARGET 4	int64		SV3 MWS targeting bit.
SV1_SCND_TARGET 4	int64		SV1 secondary targeting bit.
SV2_SCND_TARGET 4	int64		SV2 secondary targeting bit.
SV3_SCND_TARGET 4	int64		SV3 secondary targeting bit.
Z	float64		Redshift based on either Redrock or QuasarNet.
ZWARN	int8		Redrock zwarning bit.
DELTACHI2	float64		Redrock delta-chi-squared.
SPECTYPE	str6		Redrock spectral classification.
Z_RR	float64		Redrock redshift.
PHOTSYS	bytes1		Photometric system (N or S).
LS_ID	int64		Unique Legacy Surveys identification number.
FIBERFLUX_G	float32	nmgy	Fiber g-band flux corrected for Galactic extinction.
FIBERFLUX_R	float32	nmgy	Fiber r-band flux corrected for Galactic extinction.
FIBERFLUX_Z	float32	nmgy	Fiber z-band flux corrected for Galactic extinction.
FIBERTOTFLUX_G	float32	nmgy	Fibertot g-band flux corrected for Galactic extinction.
FIBERTOTFLUX_R	float32	nmgy	Fibertot r-band flux corrected for Galactic extinction.
FIBERTOTFLUX_Z	float32	nmgy	Fibertot z-band flux corrected for Galactic extinction.
FLUX_G	float32	nmgy	Total g-band flux corrected for Galactic extinction.
FLUX_R	float32	nmgy	Total r-band flux corrected for Galactic extinction.
FLUX_Z	float32	nmgy	Total z-band flux corrected for Galactic extinction.
FLUX_W1	float32	nmgy	Total W1-band flux corrected for Galactic extinction.
FLUX_W2	float32	nmgy	Total W2-band flux corrected for Galactic extinction.
FLUX_W3	float32	nmgy	Total W3-band flux corrected for Galactic extinction.
FLUX_W4	float32	nmgy	Total W4-band flux corrected for Galactic extinction.
FLUX_IVAR_G	float32	1 / nmgy2	Inverse variance of FLUX_G corrected for Galactic extinction.
FLUX_IVAR_R	float32	1 / nmgy2	Inverse variance of FLUX_R corrected for Galactic extinction.
FLUX_IVAR_Z	float32	1 / nmgy2	Inverse variance of FLUX_Z corrected for Galactic extinction.
FLUX_IVAR_W1	float32	1 / nmgy2	Inverse variance of FLUX_W1 corrected for Galactic extinction.
FLUX_IVAR_W2	float32	1 / nmgy2	Inverse variance of FLUX_W2 corrected for Galactic extinction.
FLUX_IVAR_W3	float32	1 / nmgy2	Inverse variance of FLUX_W3 corrected for Galactic extinction.
FLUX_IVAR_W4	float32	1 / nmgy2	Inverse variance of FLUX_W4 corrected for Galactic extinction.
EBV	float32	mag	Milky Way foreground dust reddening.
MW_TRANSMISSION_G	float32		Milky Way foreground dust transmission factor [0-1] in the g-band.
MW_TRANSMISSION_R	float32		Milky Way foreground dust transmission factor [0-1] in the r-band.
MW_TRANSMISSION_Z	float32		Milky Way foreground dust transmission factor [0-1] in the z-band.
MW_TRANSMISSION_W1	float32		Milky Way foreground dust transmission factor [0-1] in the W1-band.
MW_TRANSMISSION_W2	float32		Milky Way foreground dust transmission factor [0-1] in the W2-band.
MW_TRANSMISSION_W3	float32		Milky Way foreground dust transmission factor [0-1] in the W3-band.
MW_TRANSMISSION_W4	float32		Milky Way foreground dust transmission factor [0-1] in the W4-band.

HDU03

EXTNAME = MODELS

Best-fitting model spectra (corrected for Galactic extinction).

Required Header Keywords

Required Header Keywords Table

KEY	Example Value Type Comment
NAXIS1	7781	int	number of pixels
NAXIS2	3	int	number of models
NAXIS3	338	int	number of objects
BUNIT	10**-17 erg/(s cm2 Angstrom)	str	flux unit
CUNIT1	Angstrom	str	wavelength unit
CTYPE1	WAVE	str	type of axis
CRVAL1	3600.0	float	wavelength of pixel CRPIX1 (Angstrom)
CRPIX1	0	int	0-indexed pixel number corresponding to CRVAL1
CDELT1	0.8	float	pixel size (Angstrom)
DC-FLAG	0	int	0 = linear wavelength vector
AIRORVAC	vac	str	wavelengths in vacuum (vac)
CHECKSUM	Q9eTT8bTQ8bTQ8bT	str	HDU checksum updated 2022-08-03T14:25:08
DATASUM	3074907107	str	data unit checksum updated 2022-08-03T14:25:08

Data: FITS image [int32, 7781x3,338]

1(1,2,3,4,5,6)

Column only present when fitting healpix coadds.

2(1,2,3,4,5,6)

Column only present when fitting cumulative, per-night, or per-expopsure tile-based coadds.

3(1,2)

Column only present when fitting per-exposure tile-based coadds.

4(1,2,3,4,5,6,7,8,9,10,11,12,13)

Column only present in the fuji (Commissioning and Survey Validation) spectroscopic production.