TABLE  Photoz

Please see the Photometric Redshifts entry in Algorithms for more information about the Photoz and Photoz2 tables. NOTE: This table may be empty initially because the photoz values are computed in a separate calculation after the main data release.

name	type	length	unit	ucd	description
objID	bigint	8		ID_MAIN	unique ID pointing to PhotoObjAll table
z	real	4		REDSHIFT_PHOT	photometric redshift
zErr	real	4		REDSHIFT_PHOT ERROR	error of the photometric redshift
nnCount	smallint	2		NUMBER	nearest neighbors after excluding the outliers
nnVol	real	4		NUMBER	gives the 4 dimensional volume of the rectangular bounding box of the nnCount nearest neighbors
nnIsInside	smallint	2		CODE_MISC	shows if the object to be estimated is inside or outside of the box
nnObjID	bigint	8		ID_IDENTIFIER	objID of the (first) nearest neighbor
nnSpecz	real	4		REDSHIFT	spectroscopic redshift of the (first) nearest neighbor
nnFarObjID	bigint	8		ID_IDENTIFIER	objID of the farthest neighbor
nnAvgZ	real	4		REDSHIFT	average redshift of the nearest neighbors
dmod	real	4		PHOT_DIST-MOD	the distance modulus for Omega=0.3, Lambda=0.7 cosmology
chiSq	real	4		STAT_LIKELIHOOD	the chi-square value for the fit
pzType	real	4		CLASS_OBJECT	photometric SED type between 0 and 1
rest_ug	real	4		PHOT_CI	rest frame u-g color
rest_gr	real	4		PHOT_CI	rest frame g-r color
rest_ri	real	4		PHOT_CI	rest frame r-i color
rest_iz	real	4		PHOT_CI	rest frame i-z color
kcorr_u	real	4		PHOT_K-CORRECTION	k correction
kcorr_g	real	4		PHOT_K-CORRECTION	k correction
kcorr_r	real	4		PHOT_K-CORRECTION	k correction
kcorr_i	real	4		PHOT_K-CORRECTION	k correction
kcorr_z	real	4		PHOT_K-CORRECTION	k correction
absMag_u	real	4		PHOT_ABS-MAG PHOT_SDSS_U	rest frame u' abs magnitude
absMag_g	real	4		PHOT_ABS-MAG PHOT_SDSS_G	rest frame g' abs magnitude
absMag_r	real	4		PHOT_ABS-MAG PHOT_SDSS_R	rest frame r' abs magnitude
absMag_i	real	4		PHOT_ABS-MAG PHOT_SDSS_I	rest frame i' abs magnitude
absMag_z	real	4		PHOT_ABS-MAG PHOT_SDSS_Z	rest frame z' abs magnitude