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Table: sga2020.tractor
(The bold columns are indexed columns)
Column NameDescriptionDatatype
allmask_gBitwise mask set if the central pixel from all images satisfy each condition in g as cataloged on the DR9 bitmasks pageSMALLINT
allmask_rBitwise mask set if the central pixel from all images satisfy each condition in r as cataloged on the DR9 bitmasks pageSMALLINT
allmask_zBitwise mask set if the central pixel from all images satisfy each condition in z as cataloged on the DR9 bitmasks pageSMALLINT
anymask_gBitwise mask set if the central pixel from any image satisfies each condition in g as cataloged on the DR9 bitmasks pageSMALLINT
anymask_rBitwise mask set if the central pixel from any image satisfies each condition in r as cataloged on the DR9 bitmasks pageSMALLINT
anymask_zBitwise mask set if the central pixel from any image satisfies each condition in z as cataloged on the DR9 bitmasks pageSMALLINT
apflux_blobresid_g_0p5Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.5arcsec in g, masked by invvar=0REAL
apflux_blobresid_g_0p75Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.75arcsec in g, masked by invvar=0REAL
apflux_blobresid_g_1p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.0arcsec in g, masked by invvar=0REAL
apflux_blobresid_g_1p5Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.5arcsec in g, masked by invvar=0REAL
apflux_blobresid_g_2p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=2.0arcsec in g, masked by invvar=0REAL
apflux_blobresid_g_3p5Aperture fluxes on image - blobmodel residual maps in aperture of radius=3.5arcsec in g, masked by invvar=0REAL
apflux_blobresid_g_5p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=5.0arcsec in g, masked by invvar=0REAL
apflux_blobresid_g_7p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=7.0arcsec in g, masked by invvar=0REAL
apflux_blobresid_r_0p5Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.5arcsec in r, masked by invvar=0REAL
apflux_blobresid_r_0p75Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.75arcsec in r, masked by invvar=0REAL
apflux_blobresid_r_1p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.0arcsec in r, masked by invvar=0REAL
apflux_blobresid_r_1p5Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.5arcsec in r, masked by invvar=0REAL
apflux_blobresid_r_2p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=2.0arcsec in r, masked by invvar=0REAL
apflux_blobresid_r_3p5Aperture fluxes on image - blobmodel residual maps in aperture of radius=3.5arcsec in r, masked by invvar=0REAL
apflux_blobresid_r_5p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=5.0arcsec in r, masked by invvar=0REAL
apflux_blobresid_r_7p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=7.0arcsec in r, masked by invvar=0REAL
apflux_blobresid_z_0p5Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.5arcsec in z, masked by invvar=0REAL
apflux_blobresid_z_0p75Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.75arcsec in z, masked by invvar=0REAL
apflux_blobresid_z_1p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.0arcsec in z, masked by invvar=0REAL
apflux_blobresid_z_1p5Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.5arcsec in z, masked by invvar=0REAL
apflux_blobresid_z_2p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=2.0arcsec in z, masked by invvar=0REAL
apflux_blobresid_z_3p5Aperture fluxes on image - blobmodel residual maps in aperture of radius=3.5arcsec in z, masked by invvar=0REAL
apflux_blobresid_z_5p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=5.0arcsec in z, masked by invvar=0REAL
apflux_blobresid_z_7p0Aperture fluxes on image - blobmodel residual maps in aperture of radius=7.0arcsec in z, masked by invvar=0REAL
apflux_g_0p5Aperture fluxes on the co-added images in apertures of radius=0.5arcsec in g, masked by invvar=0REAL
apflux_g_0p75Aperture fluxes on the co-added images in apertures of radius=0.75arcsec in g, masked by invvar=0REAL
apflux_g_1p0Aperture fluxes on the co-added images in apertures of radius=1.0arcsec in g, masked by invvar=0REAL
apflux_g_1p5Aperture fluxes on the co-added images in apertures of radius=1.5arcsec in g, masked by invvar=0REAL
apflux_g_2p0Aperture fluxes on the co-added images in apertures of radius=2.0arcsec in g, masked by invvar=0REAL
apflux_g_3p5Aperture fluxes on the co-added images in apertures of radius=3.5arcsec in g, masked by invvar=0REAL
apflux_g_5p0Aperture fluxes on the co-added images in apertures of radius=5.0arcsec in g, masked by invvar=0REAL
apflux_g_7p0Aperture fluxes on the co-added images in apertures of radius=7.0arcsec in g, masked by invvar=0REAL
apflux_ivar_g_0p5Inverse variance of apflux_resid_g_0p5, masked by invvar=0REAL
apflux_ivar_g_0p75Inverse variance of apflux_resid_g_0p75, masked by invvar=0REAL
apflux_ivar_g_1p0Inverse variance of apflux_resid_g_1p0, masked by invvar=0REAL
apflux_ivar_g_1p5Inverse variance of apflux_resid_g_1p5, masked by invvar=0REAL
apflux_ivar_g_2p0Inverse variance of apflux_resid_g_2p0, masked by invvar=0REAL
apflux_ivar_g_3p5Inverse variance of apflux_resid_g_3p5, masked by invvar=0REAL
apflux_ivar_g_5p0Inverse variance of apflux_resid_g_5p0, masked by invvar=0REAL
apflux_ivar_g_7p0Inverse variance of apflux_resid_g_7p0, masked by invvar=0REAL
apflux_ivar_r_0p5Inverse variance of apflux_resid_r_0p5, masked by invvar=0REAL
apflux_ivar_r_0p75Inverse variance of apflux_resid_r_0p75, masked by invvar=0REAL
apflux_ivar_r_1p0Inverse variance of apflux_resid_r_1p0, masked by invvar=0REAL
apflux_ivar_r_1p5Inverse variance of apflux_resid_r_1p5, masked by invvar=0REAL
apflux_ivar_r_2p0Inverse variance of apflux_resid_r_2p0, masked by invvar=0REAL
apflux_ivar_r_3p5Inverse variance of apflux_resid_r_3p5, masked by invvar=0REAL
apflux_ivar_r_5p0Inverse variance of apflux_resid_r_5p0, masked by invvar=0REAL
apflux_ivar_r_7p0Inverse variance of apflux_resid_r_7p0, masked by invvar=0REAL
apflux_ivar_w1_r11Inverse variance of apflux_resid_w1_r11, masked by invvar=0REAL
apflux_ivar_w1_r3Inverse variance of apflux_resid_w1_r3, masked by invvar=0REAL
apflux_ivar_w1_r5Inverse variance of apflux_resid_w1_r5, masked by invvar=0REAL
apflux_ivar_w1_r7Inverse variance of apflux_resid_w1_r7, masked by invvar=0REAL
apflux_ivar_w1_r9Inverse variance of apflux_resid_w1_r9, masked by invvar=0REAL
apflux_ivar_w2_r11Inverse variance of apflux_resid_w2_r11, masked by invvar=0REAL
apflux_ivar_w2_r3Inverse variance of apflux_resid_w2_r3, masked by invvar=0REAL
apflux_ivar_w2_r5Inverse variance of apflux_resid_w2_r5, masked by invvar=0REAL
apflux_ivar_w2_r7Inverse variance of apflux_resid_w2_r7, masked by invvar=0REAL
apflux_ivar_w2_r9Inverse variance of apflux_resid_w2_r9, masked by invvar=0REAL
apflux_ivar_w3_r11Inverse variance of apflux_resid_w3_r11, masked by invvar=0REAL
apflux_ivar_w3_r3Inverse variance of apflux_resid_w3_r3, masked by invvar=0REAL
apflux_ivar_w3_r5Inverse variance of apflux_resid_w3_r5, masked by invvar=0REAL
apflux_ivar_w3_r7Inverse variance of apflux_resid_w3_r7, masked by invvar=0REAL
apflux_ivar_w3_r9Inverse variance of apflux_resid_w3_r9, masked by invvar=0REAL
apflux_ivar_w4_r11Inverse variance of apflux_resid_w4_r11, masked by invvar=0REAL
apflux_ivar_w4_r3Inverse variance of apflux_resid_w4_r3, masked by invvar=0REAL
apflux_ivar_w4_r5Inverse variance of apflux_resid_w4_r5, masked by invvar=0REAL
apflux_ivar_w4_r7Inverse variance of apflux_resid_w4_r7, masked by invvar=0REAL
apflux_ivar_w4_r9Inverse variance of apflux_resid_w4_r9, masked by invvar=0REAL
apflux_ivar_z_0p5Inverse variance of apflux_resid_z_0p5, masked by invvar=0REAL
apflux_ivar_z_0p75Inverse variance of apflux_resid_z_0p75, masked by invvar=0REAL
apflux_ivar_z_1p0Inverse variance of apflux_resid_z_1p0, masked by invvar=0REAL
apflux_ivar_z_1p5Inverse variance of apflux_resid_z_1p5, masked by invvar=0REAL
apflux_ivar_z_2p0Inverse variance of apflux_resid_z_2p0, masked by invvar=0REAL
apflux_ivar_z_3p5Inverse variance of apflux_resid_z_3p5, masked by invvar=0REAL
apflux_ivar_z_5p0Inverse variance of apflux_resid_z_5p0, masked by invvar=0REAL
apflux_ivar_z_7p0Inverse variance of apflux_resid_z_7p0, masked by invvar=0REAL
apflux_masked_g_0p5Fraction of pixels masked in g-band aperture flux measurements with radius=0.5arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_g_0p75Fraction of pixels masked in g-band aperture flux measurements with radius=0.75arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_g_1p0Fraction of pixels masked in g-band aperture flux measurements with radius=1.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_g_1p5Fraction of pixels masked in g-band aperture flux measurements with radius=1.5arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_g_2p0Fraction of pixels masked in g-band aperture flux measurements with radius=2.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_g_3p5Fraction of pixels masked in g-band aperture flux measurements with radius=3.5arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_g_5p0Fraction of pixels masked in g-band aperture flux measurements with radius=5.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_g_7p0Fraction of pixels masked in g-band aperture flux measurements with radius=7.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_r_0p5Fraction of pixels masked in r-band aperture flux measurements with radius=0.5arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_r_0p75Fraction of pixels masked in r-band aperture flux measurements with radius=0.75arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_r_1p0Fraction of pixels masked in r-band aperture flux measurements with radius=1.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_r_1p5Fraction of pixels masked in r-band aperture flux measurements with radius=1.5arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_r_2p0Fraction of pixels masked in r-band aperture flux measurements with radius=2.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_r_3p5Fraction of pixels masked in r-band aperture flux measurements with radius=3.5arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_r_5p0Fraction of pixels masked in r-band aperture flux measurements with radius=5.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_r_7p0Fraction of pixels masked in r-band aperture flux measurements with radius=7.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_z_0p5Fraction of pixels masked in z-band aperture flux measurements with radius=0.5arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_z_0p75Fraction of pixels masked in z-band aperture flux measurements with radius=0.75arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_z_1p0Fraction of pixels masked in z-band aperture flux measurements with radius=1.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_z_1p5Fraction of pixels masked in z-band aperture flux measurements with radius=1.5arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_z_2p0Fraction of pixels masked in z-band aperture flux measurements with radius=2.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_z_3p5Fraction of pixels masked in z-band aperture flux measurements with radius=3.5arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_z_5p0Fraction of pixels masked in z-band aperture flux measurements with radius=5.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_masked_z_7p0Fraction of pixels masked in z-band aperture flux measurements with radius=7.0arcsec; 1 means fully masked (ie, fully ignored; contributing zero to the measurement)REAL
apflux_r_0p5Aperture fluxes on the co-added images in apertures of radius=0.5arcsec in r, masked by invvar=0REAL
apflux_r_0p75Aperture fluxes on the co-added images in apertures of radius=0.75arcsec in r, masked by invvar=0REAL
apflux_r_1p0Aperture fluxes on the co-added images in apertures of radius=1.0arcsec in r, masked by invvar=0REAL
apflux_r_1p5Aperture fluxes on the co-added images in apertures of radius=1.5arcsec in r, masked by invvar=0REAL
apflux_r_2p0Aperture fluxes on the co-added images in apertures of radius=2.0arcsec in r, masked by invvar=0REAL
apflux_r_3p5Aperture fluxes on the co-added images in apertures of radius=3.5arcsec in r, masked by invvar=0REAL
apflux_r_5p0Aperture fluxes on the co-added images in apertures of radius=5.0arcsec in r, masked by invvar=0REAL
apflux_r_7p0Aperture fluxes on the co-added images in apertures of radius=7.0arcsec in r, masked by invvar=0REAL
apflux_resid_g_0p5Aperture fluxes on the co-added residual images in apertures of radius=0.5arcsec in g, masked by invvar=0REAL
apflux_resid_g_0p75Aperture fluxes on the co-added residual images in apertures of radius=0.75arcsec in g, masked by invvar=0REAL
apflux_resid_g_1p0Aperture fluxes on the co-added residual images in apertures of radius=1.0arcsec in g, masked by invvar=0REAL
apflux_resid_g_1p5Aperture fluxes on the co-added residual images in apertures of radius=1.5arcsec in g, masked by invvar=0REAL
apflux_resid_g_2p0Aperture fluxes on the co-added residual images in apertures of radius=2.0arcsec in g, masked by invvar=0REAL
apflux_resid_g_3p5Aperture fluxes on the co-added residual images in apertures of radius=3.5arcsec in g, masked by invvar=0REAL
apflux_resid_g_5p0Aperture fluxes on the co-added residual images in apertures of radius=5.0arcsec in g, masked by invvar=0REAL
apflux_resid_g_7p0Aperture fluxes on the co-added residual images in apertures of radius=7.0arcsec in g, masked by invvar=0REAL
apflux_resid_r_0p5Aperture fluxes on the co-added residual images in apertures of radius=0.5arcsec in r, masked by invvar=0REAL
apflux_resid_r_0p75Aperture fluxes on the co-added residual images in apertures of radius=0.75arcsec in r, masked by invvar=0REAL
apflux_resid_r_1p0Aperture fluxes on the co-added residual images in apertures of radius=1.0arcsec in r, masked by invvar=0REAL
apflux_resid_r_1p5Aperture fluxes on the co-added residual images in apertures of radius=1.5arcsec in r, masked by invvar=0REAL
apflux_resid_r_2p0Aperture fluxes on the co-added residual images in apertures of radius=2.0arcsec in r, masked by invvar=0REAL
apflux_resid_r_3p5Aperture fluxes on the co-added residual images in apertures of radius=3.5arcsec in r, masked by invvar=0REAL
apflux_resid_r_5p0Aperture fluxes on the co-added residual images in apertures of radius=5.0arcsec in r, masked by invvar=0REAL
apflux_resid_r_7p0Aperture fluxes on the co-added residual images in apertures of radius=7.0arcsec in r, masked by invvar=0REAL
apflux_resid_w1_r11Aperture fluxes on the co-added residual images in apertures of radius=11arcsec in W1, masked by invvar=0REAL
apflux_resid_w1_r3Aperture fluxes on the co-added residual images in apertures of radius=3arcsec in W1, masked by invvar=0REAL
apflux_resid_w1_r5Aperture fluxes on the co-added residual images in apertures of radius=5arcsec in W1, masked by invvar=0REAL
apflux_resid_w1_r7Aperture fluxes on the co-added residual images in apertures of radius=7arcsec in W1, masked by invvar=0REAL
apflux_resid_w1_r9Aperture fluxes on the co-added residual images in apertures of radius=9arcsec in W1, masked by invvar=0REAL
apflux_resid_w2_r11Aperture fluxes on the co-added residual images in apertures of radius=11arcsec in W2, masked by invvar=0REAL
apflux_resid_w2_r3Aperture fluxes on the co-added residual images in apertures of radius=3arcsec in W2, masked by invvar=0REAL
apflux_resid_w2_r5Aperture fluxes on the co-added residual images in apertures of radius=5arcsec in W2, masked by invvar=0REAL
apflux_resid_w2_r7Aperture fluxes on the co-added residual images in apertures of radius=7arcsec in W2, masked by invvar=0REAL
apflux_resid_w2_r9Aperture fluxes on the co-added residual images in apertures of radius=9arcsec in W2, masked by invvar=0REAL
apflux_resid_w3_r11Aperture fluxes on the co-added residual images in apertures of radius=11arcsec in W3, masked by invvar=0REAL
apflux_resid_w3_r3Aperture fluxes on the co-added residual images in apertures of radius=3arcsec in W3, masked by invvar=0REAL
apflux_resid_w3_r5Aperture fluxes on the co-added residual images in apertures of radius=5arcsec in W3, masked by invvar=0REAL
apflux_resid_w3_r7Aperture fluxes on the co-added residual images in apertures of radius=7arcsec in W3, masked by invvar=0REAL
apflux_resid_w3_r9Aperture fluxes on the co-added residual images in apertures of radius=9arcsec in W3, masked by invvar=0REAL
apflux_resid_w4_r11Aperture fluxes on the co-added residual images in apertures of radius=11arcsec in W4, masked by invvar=0REAL
apflux_resid_w4_r3Aperture fluxes on the co-added residual images in apertures of radius=3arcsec in W4, masked by invvar=0REAL
apflux_resid_w4_r5Aperture fluxes on the co-added residual images in apertures of radius=5arcsec in W4, masked by invvar=0REAL
apflux_resid_w4_r7Aperture fluxes on the co-added residual images in apertures of radius=7arcsec in W4, masked by invvar=0REAL
apflux_resid_w4_r9Aperture fluxes on the co-added residual images in apertures of radius=9arcsec in W4, masked by invvar=0REAL
apflux_resid_z_0p5Aperture fluxes on the co-added residual images in apertures of radius=0.5arcsec in z, masked by invvar=0REAL
apflux_resid_z_0p75Aperture fluxes on the co-added residual images in apertures of radius=0.75arcsec in z, masked by invvar=0REAL
apflux_resid_z_1p0Aperture fluxes on the co-added residual images in apertures of radius=1.0arcsec in z, masked by invvar=0REAL
apflux_resid_z_1p5Aperture fluxes on the co-added residual images in apertures of radius=1.5arcsec in z, masked by invvar=0REAL
apflux_resid_z_2p0Aperture fluxes on the co-added residual images in apertures of radius=2.0arcsec in z, masked by invvar=0REAL
apflux_resid_z_3p5Aperture fluxes on the co-added residual images in apertures of radius=3.5arcsec in z, masked by invvar=0REAL
apflux_resid_z_5p0Aperture fluxes on the co-added residual images in apertures of radius=5.0arcsec in z, masked by invvar=0REAL
apflux_resid_z_7p0Aperture fluxes on the co-added residual images in apertures of radius=7.0arcsec in z, masked by invvar=0REAL
apflux_w1_r11Aperture fluxes on the co-added images in apertures of radius=11arcsec in W1, masked by invvar=0REAL
apflux_w1_r3Aperture fluxes on the co-added images in apertures of radius=3arcsec in W1, masked by invvar=0REAL
apflux_w1_r5Aperture fluxes on the co-added images in apertures of radius=5arcsec in W1, masked by invvar=0REAL
apflux_w1_r7Aperture fluxes on the co-added images in apertures of radius=7arcsec in W1, masked by invvar=0REAL
apflux_w1_r9Aperture fluxes on the co-added images in apertures of radius=9arcsec in W1, masked by invvar=0REAL
apflux_w2_r11Aperture fluxes on the co-added images in apertures of radius=11arcsec in W2, masked by invvar=0REAL
apflux_w2_r3Aperture fluxes on the co-added images in apertures of radius=3arcsec in W2, masked by invvar=0REAL
apflux_w2_r5Aperture fluxes on the co-added images in apertures of radius=5arcsec in W2, masked by invvar=0REAL
apflux_w2_r7Aperture fluxes on the co-added images in apertures of radius=7arcsec in W2, masked by invvar=0REAL
apflux_w2_r9Aperture fluxes on the co-added images in apertures of radius=9arcsec in W2, masked by invvar=0REAL
apflux_w3_r11Aperture fluxes on the co-added images in apertures of radius=11arcsec in W3, masked by invvar=0REAL
apflux_w3_r3Aperture fluxes on the co-added images in apertures of radius=3arcsec in W3, masked by invvar=0REAL
apflux_w3_r5Aperture fluxes on the co-added images in apertures of radius=5arcsec in W3, masked by invvar=0REAL
apflux_w3_r7Aperture fluxes on the co-added images in apertures of radius=7arcsec in W3, masked by invvar=0REAL
apflux_w3_r9Aperture fluxes on the co-added images in apertures of radius=9arcsec in W3, masked by invvar=0REAL
apflux_w4_r11Aperture fluxes on the co-added images in apertures of radius=11arcsec in W4, masked by invvar=0REAL
apflux_w4_r3Aperture fluxes on the co-added images in apertures of radius=3arcsec in W4, masked by invvar=0REAL
apflux_w4_r5Aperture fluxes on the co-added images in apertures of radius=5arcsec in W4, masked by invvar=0REAL
apflux_w4_r7Aperture fluxes on the co-added images in apertures of radius=7arcsec in W4, masked by invvar=0REAL
apflux_w4_r9Aperture fluxes on the co-added images in apertures of radius=9arcsec in W4, masked by invvar=0REAL
apflux_z_0p5Aperture fluxes on the co-added images in apertures of radius=0.5arcsec in z, masked by invvar=0REAL
apflux_z_0p75Aperture fluxes on the co-added images in apertures of radius=0.75arcsec in z, masked by invvar=0REAL
apflux_z_1p0Aperture fluxes on the co-added images in apertures of radius=1.0arcsec in z, masked by invvar=0REAL
apflux_z_1p5Aperture fluxes on the co-added images in apertures of radius=1.5arcsec in z, masked by invvar=0REAL
apflux_z_2p0Aperture fluxes on the co-added images in apertures of radius=2.0arcsec in z, masked by invvar=0REAL
apflux_z_3p5Aperture fluxes on the co-added images in apertures of radius=3.5arcsec in z, masked by invvar=0REAL
apflux_z_5p0Aperture fluxes on the co-added images in apertures of radius=5.0arcsec in z, masked by invvar=0REAL
apflux_z_7p0Aperture fluxes on the co-added images in apertures of radius=7.0arcsec in z, masked by invvar=0REAL
brick_primaryTrue if the object is within the brick boundarySMALLINT
brickidBrick ID [1,662174]INTEGER
bxX position (0-indexed) of coordinates in the brick image stack (i.e. in the e.g. legacysurvey--image-g.fits.fz coadd file)REAL
byY position (0-indexed) of coordinates in brick image stackREAL
dchisq_devDifference in chi-squared between successively more-complex model fits for DEV. The difference is versus no sourceREAL
dchisq_expDifference in chi-squared between successively more-complex model fits for EXP. The difference is versus no sourceREAL
dchisq_psfDifference in chi-squared between successively more-complex model fits for PSF. The difference is versus no sourceREAL
dchisq_rexDifference in chi-squared between successively more-complex model fits for REX. The difference is versus no sourceREAL
dchisq_serDifference in chi-squared between successively more-complex model fits for SER. The difference is versus no sourceREAL
decDeclination at equinox J2000DOUBLE
dec_ivarInverse variance of DEC, excluding astrometric calibration errorsREAL
ebvGalactic extinction E(B-V) reddening from SFD98, used to compute the mw_transmission_ columnsREAL
elatEcliptic latitudeDOUBLE
elonEcliptic longitudeDOUBLE
fiberflux_gPredicted g-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeingREAL
fiberflux_rPredicted r-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeingREAL
fiberflux_zPredicted z-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeingREAL
fibertotflux_gPredicted g-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeingREAL
fibertotflux_rPredicted r-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeingREAL
fibertotflux_zPredicted z-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeingREAL
flux_gModel flux in gREAL
flux_ivar_gInverse variance of flux_gREAL
flux_ivar_rInverse variance of flux_rREAL
flux_ivar_w1Inverse variance of flux_w1REAL
flux_ivar_w2Inverse variance of flux_w2REAL
flux_ivar_w3Inverse variance of flux_w3REAL
flux_ivar_w4Inverse variance of flux_w4REAL
flux_ivar_zInverse variance of flux_zREAL
flux_rModel flux in rREAL
flux_w1WISE model flux in W1 (AB system)REAL
flux_w2WISE model flux in W2 (AB)REAL
flux_w3WISE model flux in W3 (AB)REAL
flux_w4WISE model flux in W4 (AB)REAL
flux_zModel flux in zREAL
fracflux_gProfile-weighted fraction of the flux from other sources divided by the total flux in g (typically [0,1])REAL
fracflux_rProfile-weighted fraction of the flux from other sources divided by the total flux in r (typically [0,1])REAL
fracflux_w1Profile-weighted fraction of the flux from other sources divided by the total flux in W1 (typically [0,1])REAL
fracflux_w2Profile-weighted fraction of the flux from other sources divided by the total flux in W2 (typically [0,1])REAL
fracflux_w3Profile-weighted fraction of the flux from other sources divided by the total flux in W3 (typically [0,1])REAL
fracflux_w4Profile-weighted fraction of the flux from other sources divided by the total flux in W4 (typically [0,1])REAL
fracflux_zProfile-weighted fraction of the flux from other sources divided by the total flux in z (typically [0,1])REAL
fracin_gFraction of a sources flux within the blob in g, near unity for real sourcesREAL
fracin_rFraction of a sources flux within the blob in r, near unity for real sourcesREAL
fracin_zFraction of a sources flux within the blob in z, near unity for real sourcesREAL
fracmasked_gProfile-weighted fraction of pixels masked from all observations of this object in g, strictly between [0,1]REAL
fracmasked_rProfile-weighted fraction of pixels masked from all observations of this object in r, strictly between [0,1]REAL
fracmasked_zProfile-weighted fraction of pixels masked from all observations of this object in z, strictly between [0,1]REAL
gaia_a_g_valGaia line-of-sight extinction in the G bandREAL
gaia_astrometric_excess_noiseGaia astrometric excess noiseREAL
gaia_astrometric_excess_noise_sigGaia astrometric excess noise uncertaintyREAL
gaia_astrometric_n_good_obs_alGaia number of good astrometric observations along scan directionSMALLINT
gaia_astrometric_n_obs_alGaia number of astrometric observations along scan directionSMALLINT
gaia_astrometric_params_solvedWhich astrometric parameters were estimated for a Gaia sourceSMALLINT
gaia_astrometric_sigma5d_maxGaia longest semi-major axis of the 5-d error ellipsoidREAL
gaia_astrometric_weight_alGaia astrometric weight along scan directionREAL
gaia_duplicated_sourceGaia duplicated source flagSMALLINT
gaia_e_bp_min_rp_valGaia line-of-sight reddening E(BP-RP)REAL
gaia_phot_bp_mean_flux_over_errorGaia BP signal-to-noiseREAL
gaia_phot_bp_mean_magGaia BP magREAL
gaia_phot_bp_n_obsGaia BP number of observationsSMALLINT
gaia_phot_bp_rp_excess_factorGaia BP/RP excess factorREAL
gaia_phot_g_mean_flux_over_errorGaia G band signal-to-noiseREAL
gaia_phot_g_mean_magGaia G band magREAL
gaia_phot_g_n_obsGaia G band number of observationsSMALLINT
gaia_phot_rp_mean_flux_over_errorGaia RP signal-to-noiseREAL
gaia_phot_rp_mean_magGaia RP magREAL
gaia_phot_rp_n_obsGaia RP number of observationsSMALLINT
gaia_phot_variable_flagGaia photometric variable flagSMALLINT
galdepth_gAs for psfdepth_g, but for a galaxy (0.45 arcsec exp, round) detection sensitivityREAL
galdepth_rAs for psfdepth_r, but for a galaxy (0.45 arcsec exp, round) detection sensitivityREAL
galdepth_zAs for psfdepth_z, but for a galaxy (0.45 arcsec exp, round) detection sensitivityREAL
glatGalactic latitudeDOUBLE
glonGalactic longitudeDOUBLE
htm9HTM index (order 9 => ~10 arcmin size)INTEGER
maskbitsBitwise mask indicating that an object touches a pixel in the coadd/*/*/*maskbits* maps, as cataloged on the DR9 bitmasks page here https://www.legacysurvey.org/dr9/bitmasksSMALLINT
mjd_maxMaximum Modified Julian Date of observations used to construct the model of this objectDOUBLE
mjd_minMinimum Modified Julian Date of observations used to construct the model of this objectDOUBLE
mw_transmission_gGalactic transmission in g filter in linear units [0,1]REAL
mw_transmission_rGalactic transmission in r filter in linear units [0,1]REAL
mw_transmission_w1Galactic transmission in W1 filter in linear units [0,1]REAL
mw_transmission_w2Galactic transmission in W2 filter in linear units [0,1]REAL
mw_transmission_w3Galactic transmission in W3 filter in linear units [0,1]REAL
mw_transmission_w4Galactic transmission in W4 filter in linear units [0,1]REAL
mw_transmission_zGalactic transmission in z filter in linear units [0,1]REAL
nest4096HEALPIX index (Nsides 4096, Nest scheme => ~52 arcsec size)INTEGER
nobs_gNumber of images that contribute to the central pixel in g filter for this object (not profile-weighted)SMALLINT
nobs_rNumber of images that contribute to the central pixel in r filter for this object (not profile-weighted)SMALLINT
nobs_w1Number of images that contribute to the central pixel in W1 filter for this object (not profile-weighted)SMALLINT
nobs_w2Number of images that contribute to the central pixel in W2 filter for this object (not profile-weighted)SMALLINT
nobs_w3Number of images that contribute to the central pixel in W3 filter for this object (not profile-weighted)SMALLINT
nobs_w4Number of images that contribute to the central pixel in W4 filter for this object (not profile-weighted)SMALLINT
nobs_zNumber of images that contribute to the central pixel in z filter for this object (not profile-weighted)SMALLINT
objidCatalog object number within this brick; a unique identifier hash is release,brickid,objid; objid spans [0,N-1] and is contiguously enumerated within each brickINTEGER
parallaxReference catalog parallaxREAL
parallax_ivarReference catalog inverse-variance on parallaxREAL
pmdecReference catalog proper motion in the Dec directionREAL
pmdec_ivarReference catalog inverse-variance on pmdecREAL
pmraReference catalog proper motion in the RA directionREAL
pmra_ivarReference catalog inverse-variance on pmraREAL
psfdepth_gFor a 5-sigma point source detection limit in g, flux (in nanomaggies) = 5/((psfdepth_g)^0.5). And flux (in AB magnitude) = -2.5*[log10(5/((psfdepth_g)^0.5))-9].REAL
psfdepth_rFor a 5-sigma point source detection limit in r, flux (in nanomaggies) = 5/((psfdepth_r)^0.5). And flux (in AB magnitude) = -2.5*[log10(5/((psfdepth_r)^0.5))-9].REAL
psfdepth_w1For a 5-sigma point source detection limit in W1, flux (in nanomaggies) = 5/((psfdepth_w1)^0.5). And flux (in AB magnitude) = -2.5*[log10(5/((psfdepth_w1)^0.5))-9].REAL
psfdepth_w2For a 5-sigma point source detection limit in W2, flux (in nanomaggies) = 5/((psfdepth_w2)^0.5). And flux (in AB magnitude) = -2.5*[log10(5/((psfdepth_w2)^0.5))-9].REAL
psfdepth_w3For a 5-sigma point source detection limit in W3, flux (in nanomaggies) = 5/((psfdepth_w3)^0.5). And flux (in AB magnitude) = -2.5*[log10(5/((psfdepth_w3)^0.5))-9].REAL
psfdepth_w4For a 5-sigma point source detection limit in W4, flux (in nanomaggies) = 5/((psfdepth_w4)^0.5). And flux (in AB magnitude) = -2.5*[log10(5/((psfdepth_w4)^0.5))-9].REAL
psfdepth_zFor a 5-sigma point source detection limit in z, flux (in nanomaggies) = 5/((psfdepth_z)^0.5). And flux (in AB magnitude) = -2.5*[log10(5/((psfdepth_z)^0.5))-9].REAL
psfsize_gWeighted average PSF FWHM in the g bandREAL
psfsize_rWeighted average PSF FWHM in the r bandREAL
psfsize_zWeighted average PSF FWHM in the z bandREAL
raRight ascension at equinox J2000DOUBLE
ra_ivarInverse variance of RA (no cosine term!), excluding astrometric calibration errorsREAL
random_idRandom ID in the range 0.0 => 100.0 (not unique)REAL
rchisq_gProfile-weighted chi-squared of model fit normalized by the number of pixels in gREAL
rchisq_rProfile-weighted chi-squared of model fit normalized by the number of pixels in rREAL
rchisq_w1Profile-weighted chi-squared of model fit normalized by the number of pixels in W1REAL
rchisq_w2Profile-weighted chi-squared of model fit normalized by the number of pixels in W2REAL
rchisq_w3Profile-weighted chi-squared of model fit normalized by the number of pixels in W3REAL
rchisq_w4Profile-weighted chi-squared of model fit normalized by the number of pixels in W4REAL
rchisq_zProfile-weighted chi-squared of model fit normalized by the number of pixels in zREAL
ref_catReference catalog source for this star: T2 for Tycho-2, G2 for Gaia DR2, L3 for the SGA, empty otherwiseCHAR
ref_epochReference catalog reference epoch (eg, 2015.5 for Gaia DR2)REAL
ref_idReference catalog identifier for this star; Tyc1*1,000,000+Tyc2*10+Tyc3 for Tycho2; sourceid for Gaia DR2 and SGABIGINT
releaseInteger denoting the camera and filter set used, which will be unique for a given processing run of the dataSMALLINT
ring256HEALPIX index (Nsides 256, Ring scheme => ~14 arcmin size)INTEGER
sersicPower-law index for the Sersic profile model (type=SER)REAL
sersic_ivarInverse variance of sersicREAL
sga_idUnique integer identifierBIGINT
shape_e1Ellipticity component 1 of galaxy model for galaxy type typeREAL
shape_e1_ivarInverse variance of shape_e1REAL
shape_e2Ellipticity component 2 of galaxy model for galaxy type typeREAL
shape_e2_ivarInverse variance of shape_e2REAL
shape_rHalf-light radius of galaxy model for galaxy type type (>0)REAL
shape_r_ivarInverse variance of shape_rREAL
typeMorphological model: PSF=stellar, REX=round exponential galaxy, DEV=deVauc, EXP=exponential, SER=Sersic, DUP=Gaia source fit by different modelCHAR
wise_coadd_idunWISE coadd brick name (corresponding to the, e.g., legacysurvey--image-W1.fits.fz coadd file) for the center of each objectVARCHAR
wise_xX position of coordinates in the brick image stack that corresponds to wise_coadd_id (see the DR9 updates page for transformations between wise_x and bx)REAL
wise_yY position of coordinates in the brick image stack that corresponds to wise_coadd_id (see the DR9 updates page for transformations between wise_y and by)REAL
wisemask_w1W1 bitmask as cataloged on the DR9 bitmasks page here https://www.legacysurvey.org/dr9/bitmasksSMALLINT
wisemask_w2W2 bitmask as cataloged on the DR9 bitmasks page here https://www.legacysurvey.org/dr9/bitmasksSMALLINT