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Table: des_sva1.gold_catalog
(The bold columns are indexed columns)
Column NameDescriptionDatatype
badflagSVA1 GOLD flag definitions. 1: In the 10th percentile of worst junk regions (probably okay). 2: In the 4th percentile of worst junk regions (probably bad). 4: Near bright 2MASS star (very likely bad). 8: Large offset between g- and i-band windowed positions (bad object).INTEGER
class_star_gNeural-network star galaxy classification from SExtractor (Bertin & Arnouts 1996).REAL
class_star_iNeural-network star galaxy classification from SExtractor (Bertin & Arnouts 1996).REAL
class_star_rNeural-network star galaxy classification from SExtractor (Bertin & Arnouts 1996).REAL
class_star_zNeural-network star galaxy classification from SExtractor (Bertin & Arnouts 1996).REAL
coadd_objects_idUnique object identifier (can be used to match against other SVA1 catalogs)BIGINT
dec_j2000Celestial coordinates in decimal degrees (J2000) corresponding to the i-band windowed position (the ALPHAWIN_J2000 and DELTAWIN_J2000) output by SExtractor.For a small number of objects (<0.1%) the position is taken for z- or r-band (when i-band is not available)DOUBLE
flags_gSExtractor flags values (precut on FLAGS < 4). 0: No issue. 1: Bright neighbors. 2: Blended object.INTEGER
flags_iSExtractor flags values (precut on FLAGS < 4). 0: No issue. 1: Bright neighbors. 2: Blended object.INTEGER
flags_rSExtractor flags values (precut on FLAGS < 4). 0: No issue. 1: Bright neighbors. 2: Blended object.INTEGER
flags_zSExtractor flags values (precut on FLAGS < 4). 0: No issue. 1: Bright neighbors. 2: Blended object.INTEGER
flux_radius_gRadius in pixels (0.263 inches/pix) of a circle centered on the object barycenter that encloses half of the total flux as measured by SExtractor.REAL
flux_radius_iRadius in pixels (0.263 inches/pix) of a circle centered on the object barycenter that encloses half of the total flux as measured by SExtractor.REAL
flux_radius_rRadius in pixels (0.263 inches/pix) of a circle centered on the object barycenter that encloses half of the total flux as measured by SExtractor.REAL
flux_radius_zRadius in pixels (0.263 inches/pix) of a circle centered on the object barycenter that encloses half of the total flux as measured by SExtractor.REAL
htm9HTM index (order 9 => ~10 arcmin size)BIGINT
mag_auto_gAUTO magnitudes from SExtractor.REAL
mag_auto_iAUTO magnitudes from SExtractor.REAL
mag_auto_rAUTO magnitudes from SExtractor.REAL
mag_auto_zAUTO magnitudes from SExtractor.REAL
mag_psf_gPSF magnitudes form SExtractor. NOT RECOMMENDED.REAL
mag_psf_iPSF magnitudes form SExtractor. NOT RECOMMENDED.REAL
mag_psf_rPSF magnitudes form SExtractor. NOT RECOMMENDED.REAL
mag_psf_zPSF magnitudes form SExtractor. NOT RECOMMENDED.REAL
magerr_auto_gAUTO magnitudes from SExtractor.REAL
magerr_auto_iAUTO magnitudes from SExtractor.REAL
magerr_auto_rAUTO magnitudes from SExtractor.REAL
magerr_auto_zAUTO magnitudes from SExtractor.REAL
magerr_psf_gPSF magnitudes form SExtractor. NOT RECOMMENDED.REAL
magerr_psf_iPSF magnitudes form SExtractor. NOT RECOMMENDED.REAL
magerr_psf_rPSF magnitudes form SExtractor. NOT RECOMMENDED.REAL
magerr_psf_zPSF magnitudes form SExtractor. NOT RECOMMENDED.REAL
modest_classInteger object classification schema built on SPREAD_MODEL, SPREADERR_MODEL, and CLASS_STAR (Jarvis et al. 2015). 0: Undetermined. 1: Galaxies. 2: Stars.SMALLINT
nest256HEALPIX index (Nsides 256 => ~14 arcmin size)BIGINT
ra_j2000Celestial coordinates in decimal degrees (J2000) corresponding to the i-band windowed position (the ALPHAWIN_J2000 and DELTAWIN_J2000) output by SExtractor.For a small number of objects (<0.1%) the position is taken for z- or r-band (when i-band is not available)DOUBLE
ring256HEALPIX index (Nsides 256 => ~14 arcmin size)BIGINT
spread_model_gLinear discriminant between the best fitting local PSF model and a slightly more extended galaxy model (Desai et al. 2012).REAL
spread_model_iLinear discriminant between the best fitting local PSF model and a slightly more extended galaxy model (Desai et al. 2012).REAL
spread_model_rLinear discriminant between the best fitting local PSF model and a slightly more extended galaxy model (Desai et al. 2012).REAL
spread_model_zLinear discriminant between the best fitting local PSF model and a slightly more extended galaxy model (Desai et al. 2012).REAL
spreaderr_model_gLinear discriminant between the best fitting local PSF model and a slightly more extended galaxy model (Desai et al. 2012).REAL
spreaderr_model_iLinear discriminant between the best fitting local PSF model and a slightly more extended galaxy model (Desai et al. 2012).REAL
spreaderr_model_rLinear discriminant between the best fitting local PSF model and a slightly more extended galaxy model (Desai et al. 2012).REAL
spreaderr_model_zLinear discriminant between the best fitting local PSF model and a slightly more extended galaxy model (Desai et al. 2012).REAL


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