OBJID		SDSS Coadd object ID
RA		SDSS Coadd RA (J2000)
DEC		SDSS Coadd Dec (J2000)
ZREIS		Neural-network photo-z from Reis et al.  Only available for objects that Reis et al. classify as extended.
ZREIS_ERR		Neural-network photo-z error
INDX_REIS		0th-indexed array location in the Reis et al. catalog
Z_RM		Photo-z from redmapper.
P_RM		Redmapper cluster membership probability.  P_RM > 0.9 is recommended.
CHISQ_RM		Redmapper chi^2
INDX_RM		0th-indexed array location in the redmapper catalog
ZRED2		Photo-z from redmagic
ILUM_ZRED		Redmagic normalized ILUM value.  ILUM_ZRED > 1.0 is recommended.
CHISQ_ZRED		Recommend 0 < CHISQ_ZRED < 10.0
INDX_ZRED		0th-indexed array location in the redmagic catalog