VizieR

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VII/292/south

DESI Legacy Imaging Surveys DR8 (Duncan, 2022)

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Legacy Surveys DR8 South Photometric Redshifts catalog (1 252 523 992 sources) (1252523992 rows)

-c=318.687121162330 +00.429404516988, eq=J2000, rs=2

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*Column*	*Value*		*Explain (UCD)*
_r	0.000	arcsec	Distance from center (318.687121162330+00.429404516988)[FK5/J2000] (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	21 14 44.90907895920	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+00 25 45.8562611568	"d:m:s"	Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	21 12 11.37570026514	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+00 13 16.8895863975	"d:m:s"	Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) (POS_EQ_DEC)
_Glon	051.57771342960918	deg	Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-31.16614763815839	deg	Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)

id	8000334522001893		⁽ⁱ⁾ Unique object identifier combining release, brickid and objid (id) (meta.id;meta.main) (ID_MAIN)
RAJ2000	318.687121162330	deg	⁽ⁱ⁾ Right Ascension (J2000.0) (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEJ2000	+00.429404516988	deg	⁽ⁱ⁾ Declination (J2000.0) (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
release	8000		LS DR8 release number - denoting the camera and filter set used (release) (instr.setup;instr.filter) (ID_SET)
brickid	334522		⁽ⁱ⁾ LS DR8 brick number (brickid) (meta.id) (ID_NUMBER)
objid	1893		⁽ⁱ⁾ LS DR 8 catalogue object number within this brick (objid) (meta.id) (ID_NUMBER)
type	REX		Optical morphological model: PSF, REX, DEV, EXP or COMP (type) (Note 1) (src.morph.type;meta.modelled) (MORPH_TYPE)
pstar	0.001		Star likelihood based on colours from GMM star-QSO classification (pstar) (stat.likelihood) (STAT_LIKELIHOOD)
gmmcomp	R7		Best-matching GMM component used to derive photo-z estimate (gmmcomp) (stat.param) (MODEL_PARAM)
zphot	1.056		Photo-z estimate - mean of the normally distributed photo-z posterior (zphot) (src.redshift.phot) (REDSHIFT_PHOT)
e_zphot	0.293		Uncertainty on zphot - standard deviation of the normally distributed photo-z posterior (zphot_err) (stat.error) (ERROR)
fclean	1		Photometry reliability flag, =1 for sources free of blending or imaging artefacts (flag_clean) (meta.code) (CODE_MISC)
fqual	1		Photo-z reliability flag, =1 for sources expected to have well-constrained estimates and 'flag_clean = 1' (flag_qual) (meta.code.qual) (CODE_QUALITY)

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