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Table: sga2020.tractor

(The bold columns are indexed columns)

Column Name | Description | Datatype |
---|---|---|

allmask_g | Bitwise mask set if the central pixel from all images satisfy each condition in g as cataloged on the DR9 bitmasks page | SMALLINT |

allmask_r | Bitwise mask set if the central pixel from all images satisfy each condition in r as cataloged on the DR9 bitmasks page | SMALLINT |

allmask_z | Bitwise mask set if the central pixel from all images satisfy each condition in z as cataloged on the DR9 bitmasks page | SMALLINT |

anymask_g | Bitwise mask set if the central pixel from any image satisfies each condition in g as cataloged on the DR9 bitmasks page | SMALLINT |

anymask_r | Bitwise mask set if the central pixel from any image satisfies each condition in r as cataloged on the DR9 bitmasks page | SMALLINT |

anymask_z | Bitwise mask set if the central pixel from any image satisfies each condition in z as cataloged on the DR9 bitmasks page | SMALLINT |

apflux_blobresid_g_0p5 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.5arcsec in g, masked by invvar=0 | REAL |

apflux_blobresid_g_0p75 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.75arcsec in g, masked by invvar=0 | REAL |

apflux_blobresid_g_1p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.0arcsec in g, masked by invvar=0 | REAL |

apflux_blobresid_g_1p5 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.5arcsec in g, masked by invvar=0 | REAL |

apflux_blobresid_g_2p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=2.0arcsec in g, masked by invvar=0 | REAL |

apflux_blobresid_g_3p5 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=3.5arcsec in g, masked by invvar=0 | REAL |

apflux_blobresid_g_5p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=5.0arcsec in g, masked by invvar=0 | REAL |

apflux_blobresid_g_7p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=7.0arcsec in g, masked by invvar=0 | REAL |

apflux_blobresid_r_0p5 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.5arcsec in r, masked by invvar=0 | REAL |

apflux_blobresid_r_0p75 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.75arcsec in r, masked by invvar=0 | REAL |

apflux_blobresid_r_1p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.0arcsec in r, masked by invvar=0 | REAL |

apflux_blobresid_r_1p5 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.5arcsec in r, masked by invvar=0 | REAL |

apflux_blobresid_r_2p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=2.0arcsec in r, masked by invvar=0 | REAL |

apflux_blobresid_r_3p5 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=3.5arcsec in r, masked by invvar=0 | REAL |

apflux_blobresid_r_5p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=5.0arcsec in r, masked by invvar=0 | REAL |

apflux_blobresid_r_7p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=7.0arcsec in r, masked by invvar=0 | REAL |

apflux_blobresid_z_0p5 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.5arcsec in z, masked by invvar=0 | REAL |

apflux_blobresid_z_0p75 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=0.75arcsec in z, masked by invvar=0 | REAL |

apflux_blobresid_z_1p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.0arcsec in z, masked by invvar=0 | REAL |

apflux_blobresid_z_1p5 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=1.5arcsec in z, masked by invvar=0 | REAL |

apflux_blobresid_z_2p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=2.0arcsec in z, masked by invvar=0 | REAL |

apflux_blobresid_z_3p5 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=3.5arcsec in z, masked by invvar=0 | REAL |

apflux_blobresid_z_5p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=5.0arcsec in z, masked by invvar=0 | REAL |

apflux_blobresid_z_7p0 | Aperture fluxes on image - blobmodel residual maps in aperture of radius=7.0arcsec in z, masked by invvar=0 | REAL |

apflux_g_0p5 | Aperture fluxes on the co-added images in apertures of radius=0.5arcsec in g, masked by invvar=0 | REAL |

apflux_g_0p75 | Aperture fluxes on the co-added images in apertures of radius=0.75arcsec in g, masked by invvar=0 | REAL |

apflux_g_1p0 | Aperture fluxes on the co-added images in apertures of radius=1.0arcsec in g, masked by invvar=0 | REAL |

apflux_g_1p5 | Aperture fluxes on the co-added images in apertures of radius=1.5arcsec in g, masked by invvar=0 | REAL |

apflux_g_2p0 | Aperture fluxes on the co-added images in apertures of radius=2.0arcsec in g, masked by invvar=0 | REAL |

apflux_g_3p5 | Aperture fluxes on the co-added images in apertures of radius=3.5arcsec in g, masked by invvar=0 | REAL |

apflux_g_5p0 | Aperture fluxes on the co-added images in apertures of radius=5.0arcsec in g, masked by invvar=0 | REAL |

apflux_g_7p0 | Aperture fluxes on the co-added images in apertures of radius=7.0arcsec in g, masked by invvar=0 | REAL |

apflux_ivar_g_0p5 | Inverse variance of apflux_resid_g_0p5, masked by invvar=0 | REAL |

apflux_ivar_g_0p75 | Inverse variance of apflux_resid_g_0p75, masked by invvar=0 | REAL |

apflux_ivar_g_1p0 | Inverse variance of apflux_resid_g_1p0, masked by invvar=0 | REAL |

apflux_ivar_g_1p5 | Inverse variance of apflux_resid_g_1p5, masked by invvar=0 | REAL |

apflux_ivar_g_2p0 | Inverse variance of apflux_resid_g_2p0, masked by invvar=0 | REAL |

apflux_ivar_g_3p5 | Inverse variance of apflux_resid_g_3p5, masked by invvar=0 | REAL |

apflux_ivar_g_5p0 | Inverse variance of apflux_resid_g_5p0, masked by invvar=0 | REAL |

apflux_ivar_g_7p0 | Inverse variance of apflux_resid_g_7p0, masked by invvar=0 | REAL |

apflux_ivar_r_0p5 | Inverse variance of apflux_resid_r_0p5, masked by invvar=0 | REAL |

apflux_ivar_r_0p75 | Inverse variance of apflux_resid_r_0p75, masked by invvar=0 | REAL |

apflux_ivar_r_1p0 | Inverse variance of apflux_resid_r_1p0, masked by invvar=0 | REAL |

apflux_ivar_r_1p5 | Inverse variance of apflux_resid_r_1p5, masked by invvar=0 | REAL |

apflux_ivar_r_2p0 | Inverse variance of apflux_resid_r_2p0, masked by invvar=0 | REAL |

apflux_ivar_r_3p5 | Inverse variance of apflux_resid_r_3p5, masked by invvar=0 | REAL |

apflux_ivar_r_5p0 | Inverse variance of apflux_resid_r_5p0, masked by invvar=0 | REAL |

apflux_ivar_r_7p0 | Inverse variance of apflux_resid_r_7p0, masked by invvar=0 | REAL |

apflux_ivar_w1_r11 | Inverse variance of apflux_resid_w1_r11, masked by invvar=0 | REAL |

apflux_ivar_w1_r3 | Inverse variance of apflux_resid_w1_r3, masked by invvar=0 | REAL |

apflux_ivar_w1_r5 | Inverse variance of apflux_resid_w1_r5, masked by invvar=0 | REAL |

apflux_ivar_w1_r7 | Inverse variance of apflux_resid_w1_r7, masked by invvar=0 | REAL |

apflux_ivar_w1_r9 | Inverse variance of apflux_resid_w1_r9, masked by invvar=0 | REAL |

apflux_ivar_w2_r11 | Inverse variance of apflux_resid_w2_r11, masked by invvar=0 | REAL |

apflux_ivar_w2_r3 | Inverse variance of apflux_resid_w2_r3, masked by invvar=0 | REAL |

apflux_ivar_w2_r5 | Inverse variance of apflux_resid_w2_r5, masked by invvar=0 | REAL |

apflux_ivar_w2_r7 | Inverse variance of apflux_resid_w2_r7, masked by invvar=0 | REAL |

apflux_ivar_w2_r9 | Inverse variance of apflux_resid_w2_r9, masked by invvar=0 | REAL |

apflux_ivar_w3_r11 | Inverse variance of apflux_resid_w3_r11, masked by invvar=0 | REAL |

apflux_ivar_w3_r3 | Inverse variance of apflux_resid_w3_r3, masked by invvar=0 | REAL |

apflux_ivar_w3_r5 | Inverse variance of apflux_resid_w3_r5, masked by invvar=0 | REAL |

apflux_ivar_w3_r7 | Inverse variance of apflux_resid_w3_r7, masked by invvar=0 | REAL |

apflux_ivar_w3_r9 | Inverse variance of apflux_resid_w3_r9, masked by invvar=0 | REAL |

apflux_ivar_w4_r11 | Inverse variance of apflux_resid_w4_r11, masked by invvar=0 | REAL |

apflux_ivar_w4_r3 | Inverse variance of apflux_resid_w4_r3, masked by invvar=0 | REAL |

apflux_ivar_w4_r5 | Inverse variance of apflux_resid_w4_r5, masked by invvar=0 | REAL |

apflux_ivar_w4_r7 | Inverse variance of apflux_resid_w4_r7, masked by invvar=0 | REAL |

apflux_ivar_w4_r9 | Inverse variance of apflux_resid_w4_r9, masked by invvar=0 | REAL |

apflux_ivar_z_0p5 | Inverse variance of apflux_resid_z_0p5, masked by invvar=0 | REAL |

apflux_ivar_z_0p75 | Inverse variance of apflux_resid_z_0p75, masked by invvar=0 | REAL |

apflux_ivar_z_1p0 | Inverse variance of apflux_resid_z_1p0, masked by invvar=0 | REAL |

apflux_ivar_z_1p5 | Inverse variance of apflux_resid_z_1p5, masked by invvar=0 | REAL |

apflux_ivar_z_2p0 | Inverse variance of apflux_resid_z_2p0, masked by invvar=0 | REAL |

apflux_ivar_z_3p5 | Inverse variance of apflux_resid_z_3p5, masked by invvar=0 | REAL |

apflux_ivar_z_5p0 | Inverse variance of apflux_resid_z_5p0, masked by invvar=0 | REAL |

apflux_ivar_z_7p0 | Inverse variance of apflux_resid_z_7p0, masked by invvar=0 | REAL |

apflux_masked_g_0p5 | Fraction 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_0p75 | Fraction 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_1p0 | Fraction 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_1p5 | Fraction 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_2p0 | Fraction 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_3p5 | Fraction 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_5p0 | Fraction 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_7p0 | Fraction 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_0p5 | Fraction 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_0p75 | Fraction 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_1p0 | Fraction 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_1p5 | Fraction 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_2p0 | Fraction 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_3p5 | Fraction 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_5p0 | Fraction 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_7p0 | Fraction 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_0p5 | Fraction 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_0p75 | Fraction 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_1p0 | Fraction 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_1p5 | Fraction 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_2p0 | Fraction 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_3p5 | Fraction 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_5p0 | Fraction 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_7p0 | Fraction 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_0p5 | Aperture fluxes on the co-added images in apertures of radius=0.5arcsec in r, masked by invvar=0 | REAL |

apflux_r_0p75 | Aperture fluxes on the co-added images in apertures of radius=0.75arcsec in r, masked by invvar=0 | REAL |

apflux_r_1p0 | Aperture fluxes on the co-added images in apertures of radius=1.0arcsec in r, masked by invvar=0 | REAL |

apflux_r_1p5 | Aperture fluxes on the co-added images in apertures of radius=1.5arcsec in r, masked by invvar=0 | REAL |

apflux_r_2p0 | Aperture fluxes on the co-added images in apertures of radius=2.0arcsec in r, masked by invvar=0 | REAL |

apflux_r_3p5 | Aperture fluxes on the co-added images in apertures of radius=3.5arcsec in r, masked by invvar=0 | REAL |

apflux_r_5p0 | Aperture fluxes on the co-added images in apertures of radius=5.0arcsec in r, masked by invvar=0 | REAL |

apflux_r_7p0 | Aperture fluxes on the co-added images in apertures of radius=7.0arcsec in r, masked by invvar=0 | REAL |

apflux_resid_g_0p5 | Aperture fluxes on the co-added residual images in apertures of radius=0.5arcsec in g, masked by invvar=0 | REAL |

apflux_resid_g_0p75 | Aperture fluxes on the co-added residual images in apertures of radius=0.75arcsec in g, masked by invvar=0 | REAL |

apflux_resid_g_1p0 | Aperture fluxes on the co-added residual images in apertures of radius=1.0arcsec in g, masked by invvar=0 | REAL |

apflux_resid_g_1p5 | Aperture fluxes on the co-added residual images in apertures of radius=1.5arcsec in g, masked by invvar=0 | REAL |

apflux_resid_g_2p0 | Aperture fluxes on the co-added residual images in apertures of radius=2.0arcsec in g, masked by invvar=0 | REAL |

apflux_resid_g_3p5 | Aperture fluxes on the co-added residual images in apertures of radius=3.5arcsec in g, masked by invvar=0 | REAL |

apflux_resid_g_5p0 | Aperture fluxes on the co-added residual images in apertures of radius=5.0arcsec in g, masked by invvar=0 | REAL |

apflux_resid_g_7p0 | Aperture fluxes on the co-added residual images in apertures of radius=7.0arcsec in g, masked by invvar=0 | REAL |

apflux_resid_r_0p5 | Aperture fluxes on the co-added residual images in apertures of radius=0.5arcsec in r, masked by invvar=0 | REAL |

apflux_resid_r_0p75 | Aperture fluxes on the co-added residual images in apertures of radius=0.75arcsec in r, masked by invvar=0 | REAL |

apflux_resid_r_1p0 | Aperture fluxes on the co-added residual images in apertures of radius=1.0arcsec in r, masked by invvar=0 | REAL |

apflux_resid_r_1p5 | Aperture fluxes on the co-added residual images in apertures of radius=1.5arcsec in r, masked by invvar=0 | REAL |

apflux_resid_r_2p0 | Aperture fluxes on the co-added residual images in apertures of radius=2.0arcsec in r, masked by invvar=0 | REAL |

apflux_resid_r_3p5 | Aperture fluxes on the co-added residual images in apertures of radius=3.5arcsec in r, masked by invvar=0 | REAL |

apflux_resid_r_5p0 | Aperture fluxes on the co-added residual images in apertures of radius=5.0arcsec in r, masked by invvar=0 | REAL |

apflux_resid_r_7p0 | Aperture fluxes on the co-added residual images in apertures of radius=7.0arcsec in r, masked by invvar=0 | REAL |

apflux_resid_w1_r11 | Aperture fluxes on the co-added residual images in apertures of radius=11arcsec in W1, masked by invvar=0 | REAL |

apflux_resid_w1_r3 | Aperture fluxes on the co-added residual images in apertures of radius=3arcsec in W1, masked by invvar=0 | REAL |

apflux_resid_w1_r5 | Aperture fluxes on the co-added residual images in apertures of radius=5arcsec in W1, masked by invvar=0 | REAL |

apflux_resid_w1_r7 | Aperture fluxes on the co-added residual images in apertures of radius=7arcsec in W1, masked by invvar=0 | REAL |

apflux_resid_w1_r9 | Aperture fluxes on the co-added residual images in apertures of radius=9arcsec in W1, masked by invvar=0 | REAL |

apflux_resid_w2_r11 | Aperture fluxes on the co-added residual images in apertures of radius=11arcsec in W2, masked by invvar=0 | REAL |

apflux_resid_w2_r3 | Aperture fluxes on the co-added residual images in apertures of radius=3arcsec in W2, masked by invvar=0 | REAL |

apflux_resid_w2_r5 | Aperture fluxes on the co-added residual images in apertures of radius=5arcsec in W2, masked by invvar=0 | REAL |

apflux_resid_w2_r7 | Aperture fluxes on the co-added residual images in apertures of radius=7arcsec in W2, masked by invvar=0 | REAL |

apflux_resid_w2_r9 | Aperture fluxes on the co-added residual images in apertures of radius=9arcsec in W2, masked by invvar=0 | REAL |

apflux_resid_w3_r11 | Aperture fluxes on the co-added residual images in apertures of radius=11arcsec in W3, masked by invvar=0 | REAL |

apflux_resid_w3_r3 | Aperture fluxes on the co-added residual images in apertures of radius=3arcsec in W3, masked by invvar=0 | REAL |

apflux_resid_w3_r5 | Aperture fluxes on the co-added residual images in apertures of radius=5arcsec in W3, masked by invvar=0 | REAL |

apflux_resid_w3_r7 | Aperture fluxes on the co-added residual images in apertures of radius=7arcsec in W3, masked by invvar=0 | REAL |

apflux_resid_w3_r9 | Aperture fluxes on the co-added residual images in apertures of radius=9arcsec in W3, masked by invvar=0 | REAL |

apflux_resid_w4_r11 | Aperture fluxes on the co-added residual images in apertures of radius=11arcsec in W4, masked by invvar=0 | REAL |

apflux_resid_w4_r3 | Aperture fluxes on the co-added residual images in apertures of radius=3arcsec in W4, masked by invvar=0 | REAL |

apflux_resid_w4_r5 | Aperture fluxes on the co-added residual images in apertures of radius=5arcsec in W4, masked by invvar=0 | REAL |

apflux_resid_w4_r7 | Aperture fluxes on the co-added residual images in apertures of radius=7arcsec in W4, masked by invvar=0 | REAL |

apflux_resid_w4_r9 | Aperture fluxes on the co-added residual images in apertures of radius=9arcsec in W4, masked by invvar=0 | REAL |

apflux_resid_z_0p5 | Aperture fluxes on the co-added residual images in apertures of radius=0.5arcsec in z, masked by invvar=0 | REAL |

apflux_resid_z_0p75 | Aperture fluxes on the co-added residual images in apertures of radius=0.75arcsec in z, masked by invvar=0 | REAL |

apflux_resid_z_1p0 | Aperture fluxes on the co-added residual images in apertures of radius=1.0arcsec in z, masked by invvar=0 | REAL |

apflux_resid_z_1p5 | Aperture fluxes on the co-added residual images in apertures of radius=1.5arcsec in z, masked by invvar=0 | REAL |

apflux_resid_z_2p0 | Aperture fluxes on the co-added residual images in apertures of radius=2.0arcsec in z, masked by invvar=0 | REAL |

apflux_resid_z_3p5 | Aperture fluxes on the co-added residual images in apertures of radius=3.5arcsec in z, masked by invvar=0 | REAL |

apflux_resid_z_5p0 | Aperture fluxes on the co-added residual images in apertures of radius=5.0arcsec in z, masked by invvar=0 | REAL |

apflux_resid_z_7p0 | Aperture fluxes on the co-added residual images in apertures of radius=7.0arcsec in z, masked by invvar=0 | REAL |

apflux_w1_r11 | Aperture fluxes on the co-added images in apertures of radius=11arcsec in W1, masked by invvar=0 | REAL |

apflux_w1_r3 | Aperture fluxes on the co-added images in apertures of radius=3arcsec in W1, masked by invvar=0 | REAL |

apflux_w1_r5 | Aperture fluxes on the co-added images in apertures of radius=5arcsec in W1, masked by invvar=0 | REAL |

apflux_w1_r7 | Aperture fluxes on the co-added images in apertures of radius=7arcsec in W1, masked by invvar=0 | REAL |

apflux_w1_r9 | Aperture fluxes on the co-added images in apertures of radius=9arcsec in W1, masked by invvar=0 | REAL |

apflux_w2_r11 | Aperture fluxes on the co-added images in apertures of radius=11arcsec in W2, masked by invvar=0 | REAL |

apflux_w2_r3 | Aperture fluxes on the co-added images in apertures of radius=3arcsec in W2, masked by invvar=0 | REAL |

apflux_w2_r5 | Aperture fluxes on the co-added images in apertures of radius=5arcsec in W2, masked by invvar=0 | REAL |

apflux_w2_r7 | Aperture fluxes on the co-added images in apertures of radius=7arcsec in W2, masked by invvar=0 | REAL |

apflux_w2_r9 | Aperture fluxes on the co-added images in apertures of radius=9arcsec in W2, masked by invvar=0 | REAL |

apflux_w3_r11 | Aperture fluxes on the co-added images in apertures of radius=11arcsec in W3, masked by invvar=0 | REAL |

apflux_w3_r3 | Aperture fluxes on the co-added images in apertures of radius=3arcsec in W3, masked by invvar=0 | REAL |

apflux_w3_r5 | Aperture fluxes on the co-added images in apertures of radius=5arcsec in W3, masked by invvar=0 | REAL |

apflux_w3_r7 | Aperture fluxes on the co-added images in apertures of radius=7arcsec in W3, masked by invvar=0 | REAL |

apflux_w3_r9 | Aperture fluxes on the co-added images in apertures of radius=9arcsec in W3, masked by invvar=0 | REAL |

apflux_w4_r11 | Aperture fluxes on the co-added images in apertures of radius=11arcsec in W4, masked by invvar=0 | REAL |

apflux_w4_r3 | Aperture fluxes on the co-added images in apertures of radius=3arcsec in W4, masked by invvar=0 | REAL |

apflux_w4_r5 | Aperture fluxes on the co-added images in apertures of radius=5arcsec in W4, masked by invvar=0 | REAL |

apflux_w4_r7 | Aperture fluxes on the co-added images in apertures of radius=7arcsec in W4, masked by invvar=0 | REAL |

apflux_w4_r9 | Aperture fluxes on the co-added images in apertures of radius=9arcsec in W4, masked by invvar=0 | REAL |

apflux_z_0p5 | Aperture fluxes on the co-added images in apertures of radius=0.5arcsec in z, masked by invvar=0 | REAL |

apflux_z_0p75 | Aperture fluxes on the co-added images in apertures of radius=0.75arcsec in z, masked by invvar=0 | REAL |

apflux_z_1p0 | Aperture fluxes on the co-added images in apertures of radius=1.0arcsec in z, masked by invvar=0 | REAL |

apflux_z_1p5 | Aperture fluxes on the co-added images in apertures of radius=1.5arcsec in z, masked by invvar=0 | REAL |

apflux_z_2p0 | Aperture fluxes on the co-added images in apertures of radius=2.0arcsec in z, masked by invvar=0 | REAL |

apflux_z_3p5 | Aperture fluxes on the co-added images in apertures of radius=3.5arcsec in z, masked by invvar=0 | REAL |

apflux_z_5p0 | Aperture fluxes on the co-added images in apertures of radius=5.0arcsec in z, masked by invvar=0 | REAL |

apflux_z_7p0 | Aperture fluxes on the co-added images in apertures of radius=7.0arcsec in z, masked by invvar=0 | REAL |

brick_primary | True if the object is within the brick boundary | SMALLINT |

brickid | Brick ID [1,662174] | INTEGER |

bx | X position (0-indexed) of coordinates in the brick image stack (i.e. in the e.g. legacysurvey- | REAL |

by | Y position (0-indexed) of coordinates in brick image stack | REAL |

dchisq_dev | Difference in chi-squared between successively more-complex model fits for DEV. The difference is versus no source | REAL |

dchisq_exp | Difference in chi-squared between successively more-complex model fits for EXP. The difference is versus no source | REAL |

dchisq_psf | Difference in chi-squared between successively more-complex model fits for PSF. The difference is versus no source | REAL |

dchisq_rex | Difference in chi-squared between successively more-complex model fits for REX. The difference is versus no source | REAL |

dchisq_ser | Difference in chi-squared between successively more-complex model fits for SER. The difference is versus no source | REAL |

dec | Declination at equinox J2000 | DOUBLE |

dec_ivar | Inverse variance of DEC, excluding astrometric calibration errors | REAL |

ebv | Galactic extinction E(B-V) reddening from SFD98, used to compute the mw_transmission_ columns | REAL |

elat | Ecliptic latitude | DOUBLE |

elon | Ecliptic longitude | DOUBLE |

fiberflux_g | Predicted g-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing | REAL |

fiberflux_r | Predicted r-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing | REAL |

fiberflux_z | Predicted z-band flux within a fiber of diameter 1.5 arcsec from this object in 1 arcsec Gaussian seeing | REAL |

fibertotflux_g | Predicted g-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing | REAL |

fibertotflux_r | Predicted r-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing | REAL |

fibertotflux_z | Predicted z-band flux within a fiber of diameter 1.5 arcsec from all sources at this location in 1 arcsec Gaussian seeing | REAL |

flux_g | Model flux in g | REAL |

flux_ivar_g | Inverse variance of flux_g | REAL |

flux_ivar_r | Inverse variance of flux_r | REAL |

flux_ivar_w1 | Inverse variance of flux_w1 | REAL |

flux_ivar_w2 | Inverse variance of flux_w2 | REAL |

flux_ivar_w3 | Inverse variance of flux_w3 | REAL |

flux_ivar_w4 | Inverse variance of flux_w4 | REAL |

flux_ivar_z | Inverse variance of flux_z | REAL |

flux_r | Model flux in r | REAL |

flux_w1 | WISE model flux in W1 (AB system) | REAL |

flux_w2 | WISE model flux in W2 (AB) | REAL |

flux_w3 | WISE model flux in W3 (AB) | REAL |

flux_w4 | WISE model flux in W4 (AB) | REAL |

flux_z | Model flux in z | REAL |

fracflux_g | Profile-weighted fraction of the flux from other sources divided by the total flux in g (typically [0,1]) | REAL |

fracflux_r | Profile-weighted fraction of the flux from other sources divided by the total flux in r (typically [0,1]) | REAL |

fracflux_w1 | Profile-weighted fraction of the flux from other sources divided by the total flux in W1 (typically [0,1]) | REAL |

fracflux_w2 | Profile-weighted fraction of the flux from other sources divided by the total flux in W2 (typically [0,1]) | REAL |

fracflux_w3 | Profile-weighted fraction of the flux from other sources divided by the total flux in W3 (typically [0,1]) | REAL |

fracflux_w4 | Profile-weighted fraction of the flux from other sources divided by the total flux in W4 (typically [0,1]) | REAL |

fracflux_z | Profile-weighted fraction of the flux from other sources divided by the total flux in z (typically [0,1]) | REAL |

fracin_g | Fraction of a sources flux within the blob in g, near unity for real sources | REAL |

fracin_r | Fraction of a sources flux within the blob in r, near unity for real sources | REAL |

fracin_z | Fraction of a sources flux within the blob in z, near unity for real sources | REAL |

fracmasked_g | Profile-weighted fraction of pixels masked from all observations of this object in g, strictly between [0,1] | REAL |

fracmasked_r | Profile-weighted fraction of pixels masked from all observations of this object in r, strictly between [0,1] | REAL |

fracmasked_z | Profile-weighted fraction of pixels masked from all observations of this object in z, strictly between [0,1] | REAL |

gaia_a_g_val | Gaia line-of-sight extinction in the G band | REAL |

gaia_astrometric_excess_noise | Gaia astrometric excess noise | REAL |

gaia_astrometric_excess_noise_sig | Gaia astrometric excess noise uncertainty | REAL |

gaia_astrometric_n_good_obs_al | Gaia number of good astrometric observations along scan direction | SMALLINT |

gaia_astrometric_n_obs_al | Gaia number of astrometric observations along scan direction | SMALLINT |

gaia_astrometric_params_solved | Which astrometric parameters were estimated for a Gaia source | SMALLINT |

gaia_astrometric_sigma5d_max | Gaia longest semi-major axis of the 5-d error ellipsoid | REAL |

gaia_astrometric_weight_al | Gaia astrometric weight along scan direction | REAL |

gaia_duplicated_source | Gaia duplicated source flag | SMALLINT |

gaia_e_bp_min_rp_val | Gaia line-of-sight reddening E(BP-RP) | REAL |

gaia_phot_bp_mean_flux_over_error | Gaia BP signal-to-noise | REAL |

gaia_phot_bp_mean_mag | Gaia BP mag | REAL |

gaia_phot_bp_n_obs | Gaia BP number of observations | SMALLINT |

gaia_phot_bp_rp_excess_factor | Gaia BP/RP excess factor | REAL |

gaia_phot_g_mean_flux_over_error | Gaia G band signal-to-noise | REAL |

gaia_phot_g_mean_mag | Gaia G band mag | REAL |

gaia_phot_g_n_obs | Gaia G band number of observations | SMALLINT |

gaia_phot_rp_mean_flux_over_error | Gaia RP signal-to-noise | REAL |

gaia_phot_rp_mean_mag | Gaia RP mag | REAL |

gaia_phot_rp_n_obs | Gaia RP number of observations | SMALLINT |

gaia_phot_variable_flag | Gaia photometric variable flag | SMALLINT |

galdepth_g | As for psfdepth_g, but for a galaxy (0.45 arcsec exp, round) detection sensitivity | REAL |

galdepth_r | As for psfdepth_r, but for a galaxy (0.45 arcsec exp, round) detection sensitivity | REAL |

galdepth_z | As for psfdepth_z, but for a galaxy (0.45 arcsec exp, round) detection sensitivity | REAL |

glat | Galactic latitude | DOUBLE |

glon | Galactic longitude | DOUBLE |

htm9 | HTM index (order 9 => ~10 arcmin size) | INTEGER |

maskbits | Bitwise 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/bitmasks | SMALLINT |

mjd_max | Maximum Modified Julian Date of observations used to construct the model of this object | DOUBLE |

mjd_min | Minimum Modified Julian Date of observations used to construct the model of this object | DOUBLE |

mw_transmission_g | Galactic transmission in g filter in linear units [0,1] | REAL |

mw_transmission_r | Galactic transmission in r filter in linear units [0,1] | REAL |

mw_transmission_w1 | Galactic transmission in W1 filter in linear units [0,1] | REAL |

mw_transmission_w2 | Galactic transmission in W2 filter in linear units [0,1] | REAL |

mw_transmission_w3 | Galactic transmission in W3 filter in linear units [0,1] | REAL |

mw_transmission_w4 | Galactic transmission in W4 filter in linear units [0,1] | REAL |

mw_transmission_z | Galactic transmission in z filter in linear units [0,1] | REAL |

nest4096 | HEALPIX index (Nsides 4096, Nest scheme => ~52 arcsec size) | INTEGER |

nobs_g | Number of images that contribute to the central pixel in g filter for this object (not profile-weighted) | SMALLINT |

nobs_r | Number of images that contribute to the central pixel in r filter for this object (not profile-weighted) | SMALLINT |

nobs_w1 | Number of images that contribute to the central pixel in W1 filter for this object (not profile-weighted) | SMALLINT |

nobs_w2 | Number of images that contribute to the central pixel in W2 filter for this object (not profile-weighted) | SMALLINT |

nobs_w3 | Number of images that contribute to the central pixel in W3 filter for this object (not profile-weighted) | SMALLINT |

nobs_w4 | Number of images that contribute to the central pixel in W4 filter for this object (not profile-weighted) | SMALLINT |

nobs_z | Number of images that contribute to the central pixel in z filter for this object (not profile-weighted) | SMALLINT |

objid | Catalog object number within this brick; a unique identifier hash is release,brickid,objid; objid spans [0,N-1] and is contiguously enumerated within each brick | INTEGER |

parallax | Reference catalog parallax | REAL |

parallax_ivar | Reference catalog inverse-variance on parallax | REAL |

pmdec | Reference catalog proper motion in the Dec direction | REAL |

pmdec_ivar | Reference catalog inverse-variance on pmdec | REAL |

pmra | Reference catalog proper motion in the RA direction | REAL |

pmra_ivar | Reference catalog inverse-variance on pmra | REAL |

psfdepth_g | For 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_r | For 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_w1 | For 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_w2 | For 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_w3 | For 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_w4 | For 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_z | For 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_g | Weighted average PSF FWHM in the g band | REAL |

psfsize_r | Weighted average PSF FWHM in the r band | REAL |

psfsize_z | Weighted average PSF FWHM in the z band | REAL |

ra | Right ascension at equinox J2000 | DOUBLE |

ra_ivar | Inverse variance of RA (no cosine term!), excluding astrometric calibration errors | REAL |

random_id | Random ID in the range 0.0 => 100.0 (not unique) | REAL |

rchisq_g | Profile-weighted chi-squared of model fit normalized by the number of pixels in g | REAL |

rchisq_r | Profile-weighted chi-squared of model fit normalized by the number of pixels in r | REAL |

rchisq_w1 | Profile-weighted chi-squared of model fit normalized by the number of pixels in W1 | REAL |

rchisq_w2 | Profile-weighted chi-squared of model fit normalized by the number of pixels in W2 | REAL |

rchisq_w3 | Profile-weighted chi-squared of model fit normalized by the number of pixels in W3 | REAL |

rchisq_w4 | Profile-weighted chi-squared of model fit normalized by the number of pixels in W4 | REAL |

rchisq_z | Profile-weighted chi-squared of model fit normalized by the number of pixels in z | REAL |

ref_cat | Reference catalog source for this star: T2 for Tycho-2, G2 for Gaia DR2, L3 for the SGA, empty otherwise | CHAR |

ref_epoch | Reference catalog reference epoch (eg, 2015.5 for Gaia DR2) | REAL |

ref_id | Reference catalog identifier for this star; Tyc1*1,000,000+Tyc2*10+Tyc3 for Tycho2; sourceid for Gaia DR2 and SGA | BIGINT |

release | Integer denoting the camera and filter set used, which will be unique for a given processing run of the data | SMALLINT |

ring256 | HEALPIX index (Nsides 256, Ring scheme => ~14 arcmin size) | INTEGER |

sersic | Power-law index for the Sersic profile model (type=SER) | REAL |

sersic_ivar | Inverse variance of sersic | REAL |

sga_id | Unique integer identifier | BIGINT |

shape_e1 | Ellipticity component 1 of galaxy model for galaxy type type | REAL |

shape_e1_ivar | Inverse variance of shape_e1 | REAL |

shape_e2 | Ellipticity component 2 of galaxy model for galaxy type type | REAL |

shape_e2_ivar | Inverse variance of shape_e2 | REAL |

shape_r | Half-light radius of galaxy model for galaxy type type (>0) | REAL |

shape_r_ivar | Inverse variance of shape_r | REAL |

type | Morphological model: PSF=stellar, REX=round exponential galaxy, DEV=deVauc, EXP=exponential, SER=Sersic, DUP=Gaia source fit by different model | CHAR |

wise_coadd_id | unWISE coadd brick name (corresponding to the, e.g., legacysurvey- | VARCHAR |

wise_x | X 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_y | Y 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_w1 | W1 bitmask as cataloged on the DR9 bitmasks page here https://www.legacysurvey.org/dr9/bitmasks | SMALLINT |

wisemask_w2 | W2 bitmask as cataloged on the DR9 bitmasks page here https://www.legacysurvey.org/dr9/bitmasks | SMALLINT |