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Table: ls_dr10.apflux

(The bold columns are indexed columns)

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

apflux_blobresid_g_1 | Aperture fluxes on image-blobmodel residual maps in g, masked by invvar=0 | REAL |

apflux_blobresid_g_2 | Aperture fluxes on image-blobmodel residual maps in g, masked by invvar=0 | REAL |

apflux_blobresid_g_3 | Aperture fluxes on image-blobmodel residual maps in g, masked by invvar=0 | REAL |

apflux_blobresid_g_4 | Aperture fluxes on image-blobmodel residual maps in g, masked by invvar=0 | REAL |

apflux_blobresid_g_5 | Aperture fluxes on image-blobmodel residual maps in g, masked by invvar=0 | REAL |

apflux_blobresid_g_6 | Aperture fluxes on image-blobmodel residual maps in g, masked by invvar=0 | REAL |

apflux_blobresid_g_7 | Aperture fluxes on image-blobmodel residual maps in g, masked by invvar=0 | REAL |

apflux_blobresid_g_8 | Aperture fluxes on image-blobmodel residual maps in g, masked by invvar=0 | REAL |

apflux_blobresid_i_1 | Aperture fluxes on image-blobmodel residual maps in i, masked by invvar=0 | REAL |

apflux_blobresid_i_2 | Aperture fluxes on image-blobmodel residual maps in i, masked by invvar=0 | REAL |

apflux_blobresid_i_3 | Aperture fluxes on image-blobmodel residual maps in i, masked by invvar=0 | REAL |

apflux_blobresid_i_4 | Aperture fluxes on image-blobmodel residual maps in i, masked by invvar=0 | REAL |

apflux_blobresid_i_5 | Aperture fluxes on image-blobmodel residual maps in i, masked by invvar=0 | REAL |

apflux_blobresid_i_6 | Aperture fluxes on image-blobmodel residual maps in i, masked by invvar=0 | REAL |

apflux_blobresid_i_7 | Aperture fluxes on image-blobmodel residual maps in i, masked by invvar=0 | REAL |

apflux_blobresid_i_8 | Aperture fluxes on image-blobmodel residual maps in i, masked by invvar=0 | REAL |

apflux_blobresid_r_1 | Aperture fluxes on image-blobmodel residual maps in r, masked by invvar=0 | REAL |

apflux_blobresid_r_2 | Aperture fluxes on image-blobmodel residual maps in r, masked by invvar=0 | REAL |

apflux_blobresid_r_3 | Aperture fluxes on image-blobmodel residual maps in r, masked by invvar=0 | REAL |

apflux_blobresid_r_4 | Aperture fluxes on image-blobmodel residual maps in r, masked by invvar=0 | REAL |

apflux_blobresid_r_5 | Aperture fluxes on image-blobmodel residual maps in r, masked by invvar=0 | REAL |

apflux_blobresid_r_6 | Aperture fluxes on image-blobmodel residual maps in r, masked by invvar=0 | REAL |

apflux_blobresid_r_7 | Aperture fluxes on image-blobmodel residual maps in r, masked by invvar=0 | REAL |

apflux_blobresid_r_8 | Aperture fluxes on image-blobmodel residual maps in r, masked by invvar=0 | REAL |

apflux_blobresid_z_1 | Aperture fluxes on image-blobmodel residual maps in z, masked by invvar=0 | REAL |

apflux_blobresid_z_2 | Aperture fluxes on image-blobmodel residual maps in z, masked by invvar=0 | REAL |

apflux_blobresid_z_3 | Aperture fluxes on image-blobmodel residual maps in z, masked by invvar=0 | REAL |

apflux_blobresid_z_4 | Aperture fluxes on image-blobmodel residual maps in z, masked by invvar=0 | REAL |

apflux_blobresid_z_5 | Aperture fluxes on image-blobmodel residual maps in z, masked by invvar=0 | REAL |

apflux_blobresid_z_6 | Aperture fluxes on image-blobmodel residual maps in z, masked by invvar=0 | REAL |

apflux_blobresid_z_7 | Aperture fluxes on image-blobmodel residual maps in z, masked by invvar=0 | REAL |

apflux_blobresid_z_8 | Aperture fluxes on image-blobmodel residual maps in z, masked by invvar=0 | REAL |

apflux_g_1 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in g, masked by invvar=0 (inverse variance of zero) | REAL |

apflux_g_2 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in g, masked by invvar=0 (inverse variance of zero) | REAL |

apflux_g_3 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in g, masked by invvar=0 (inverse variance of zero) | REAL |

apflux_g_4 | REAL | |

apflux_g_5 | REAL | |

apflux_g_6 | REAL | |

apflux_g_7 | REAL | |

apflux_g_8 | REAL | |

apflux_i_1 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in i, masked by invvar=0 | REAL |

apflux_i_2 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in i, masked by invvar=0 | REAL |

apflux_i_3 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in i, masked by invvar=0 | REAL |

apflux_i_4 | REAL | |

apflux_i_5 | REAL | |

apflux_i_6 | REAL | |

apflux_i_7 | REAL | |

apflux_i_8 | REAL | |

apflux_ivar_g_1 | Inverse variance of apflux_resid_g, masked by invvar=0 | REAL |

apflux_ivar_g_2 | Inverse variance of apflux_resid_g, masked by invvar=0 | REAL |

apflux_ivar_g_3 | Inverse variance of apflux_resid_g, masked by invvar=0 | REAL |

apflux_ivar_g_4 | Inverse variance of apflux_resid_g, masked by invvar=0 | REAL |

apflux_ivar_g_5 | Inverse variance of apflux_resid_g, masked by invvar=0 | REAL |

apflux_ivar_g_6 | Inverse variance of apflux_resid_g, masked by invvar=0 | REAL |

apflux_ivar_g_7 | Inverse variance of apflux_resid_g, masked by invvar=0 | REAL |

apflux_ivar_g_8 | Inverse variance of apflux_resid_g, masked by invvar=0 | REAL |

apflux_ivar_i_1 | Inverse variance of apflux_resid_i, masked by invvar=0 | REAL |

apflux_ivar_i_2 | Inverse variance of apflux_resid_i, masked by invvar=0 | REAL |

apflux_ivar_i_3 | Inverse variance of apflux_resid_i, masked by invvar=0 | REAL |

apflux_ivar_i_4 | Inverse variance of apflux_resid_i, masked by invvar=0 | REAL |

apflux_ivar_i_5 | Inverse variance of apflux_resid_i, masked by invvar=0 | REAL |

apflux_ivar_i_6 | Inverse variance of apflux_resid_i, masked by invvar=0 | REAL |

apflux_ivar_i_7 | Inverse variance of apflux_resid_i, masked by invvar=0 | REAL |

apflux_ivar_i_8 | Inverse variance of apflux_resid_i, masked by invvar=0 | REAL |

apflux_ivar_r_1 | Inverse variance of apflux_resid_r, masked by invvar=0 | REAL |

apflux_ivar_r_2 | Inverse variance of apflux_resid_r, masked by invvar=0 | REAL |

apflux_ivar_r_3 | Inverse variance of apflux_resid_r, masked by invvar=0 | REAL |

apflux_ivar_r_4 | Inverse variance of apflux_resid_r, masked by invvar=0 | REAL |

apflux_ivar_r_5 | Inverse variance of apflux_resid_r, masked by invvar=0 | REAL |

apflux_ivar_r_6 | Inverse variance of apflux_resid_r, masked by invvar=0 | REAL |

apflux_ivar_r_7 | Inverse variance of apflux_resid_r, masked by invvar=0 | REAL |

apflux_ivar_r_8 | Inverse variance of apflux_resid_r, masked by invvar=0 | REAL |

apflux_ivar_w1_1 | Inverse variance of apflux_resid_w1, masked by invvar=0 | REAL |

apflux_ivar_w1_2 | Inverse variance of apflux_resid_w1, masked by invvar=0 | REAL |

apflux_ivar_w1_3 | Inverse variance of apflux_resid_w1, masked by invvar=0 | REAL |

apflux_ivar_w1_4 | Inverse variance of apflux_resid_w1, masked by invvar=0 | REAL |

apflux_ivar_w1_5 | Inverse variance of apflux_resid_w1, masked by invvar=0 | REAL |

apflux_ivar_w2_1 | Inverse variance of apflux_resid_w2, masked by invvar=0 | REAL |

apflux_ivar_w2_2 | Inverse variance of apflux_resid_w2, masked by invvar=0 | REAL |

apflux_ivar_w2_3 | Inverse variance of apflux_resid_w2, masked by invvar=0 | REAL |

apflux_ivar_w2_4 | Inverse variance of apflux_resid_w2, masked by invvar=0 | REAL |

apflux_ivar_w2_5 | Inverse variance of apflux_resid_w2, masked by invvar=0 | REAL |

apflux_ivar_w3_1 | Inverse variance of apflux_resid_w3, masked by invvar=0 | REAL |

apflux_ivar_w3_2 | Inverse variance of apflux_resid_w3, masked by invvar=0 | REAL |

apflux_ivar_w3_3 | Inverse variance of apflux_resid_w3, masked by invvar=0 | REAL |

apflux_ivar_w3_4 | Inverse variance of apflux_resid_w3, masked by invvar=0 | REAL |

apflux_ivar_w3_5 | Inverse variance of apflux_resid_w3, masked by invvar=0 | REAL |

apflux_ivar_w4_1 | Inverse variance of apflux_resid_w4, masked by invvar=0 | REAL |

apflux_ivar_w4_2 | Inverse variance of apflux_resid_w4, masked by invvar=0 | REAL |

apflux_ivar_w4_3 | Inverse variance of apflux_resid_w4, masked by invvar=0 | REAL |

apflux_ivar_w4_4 | Inverse variance of apflux_resid_w4, masked by invvar=0 | REAL |

apflux_ivar_w4_5 | Inverse variance of apflux_resid_w4, masked by invvar=0 | REAL |

apflux_ivar_z_1 | Inverse variance of apflux_resid_z, masked by invvar=0 | REAL |

apflux_ivar_z_2 | Inverse variance of apflux_resid_z, masked by invvar=0 | REAL |

apflux_ivar_z_3 | Inverse variance of apflux_resid_z, masked by invvar=0 | REAL |

apflux_ivar_z_4 | Inverse variance of apflux_resid_z, masked by invvar=0 | REAL |

apflux_ivar_z_5 | Inverse variance of apflux_resid_z, masked by invvar=0 | REAL |

apflux_ivar_z_6 | Inverse variance of apflux_resid_z, masked by invvar=0 | REAL |

apflux_ivar_z_7 | Inverse variance of apflux_resid_z, masked by invvar=0 | REAL |

apflux_ivar_z_8 | Inverse variance of apflux_resid_z, masked by invvar=0 | REAL |

apflux_masked_g_1 | Fraction of pixels masked in g-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_g_2 | Fraction of pixels masked in g-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_g_3 | Fraction of pixels masked in g-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_g_4 | REAL | |

apflux_masked_g_5 | REAL | |

apflux_masked_g_6 | REAL | |

apflux_masked_g_7 | REAL | |

apflux_masked_g_8 | REAL | |

apflux_masked_i_1 | Fraction of pixels masked in i-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_i_2 | Fraction of pixels masked in i-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_i_3 | Fraction of pixels masked in i-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_i_4 | REAL | |

apflux_masked_i_5 | REAL | |

apflux_masked_i_6 | REAL | |

apflux_masked_i_7 | REAL | |

apflux_masked_i_8 | REAL | |

apflux_masked_r_1 | Fraction of pixels masked in r-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_r_2 | Fraction of pixels masked in r-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_r_3 | Fraction of pixels masked in r-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_r_4 | REAL | |

apflux_masked_r_5 | REAL | |

apflux_masked_r_6 | REAL | |

apflux_masked_r_7 | REAL | |

apflux_masked_r_8 | REAL | |

apflux_masked_z_1 | Fraction of pixels masked in z-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_z_2 | Fraction of pixels masked in z-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_z_3 | Fraction of pixels masked in z-band aperture flux measurements; 1 means fully masked (ie, fully ignored; contributing zero to the measurement) | REAL |

apflux_masked_z_4 | REAL | |

apflux_masked_z_5 | REAL | |

apflux_masked_z_6 | REAL | |

apflux_masked_z_7 | REAL | |

apflux_masked_z_8 | REAL | |

apflux_r_1 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in r, masked by invvar=0 | REAL |

apflux_r_2 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in r, masked by invvar=0 | REAL |

apflux_r_3 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in r, masked by invvar=0 | REAL |

apflux_r_4 | REAL | |

apflux_r_5 | REAL | |

apflux_r_6 | REAL | |

apflux_r_7 | REAL | |

apflux_r_8 | REAL | |

apflux_resid_g_1 | Aperture fluxes on the co-added residual images in g, masked by invvar=0 | REAL |

apflux_resid_g_2 | Aperture fluxes on the co-added residual images in g, masked by invvar=0 | REAL |

apflux_resid_g_3 | Aperture fluxes on the co-added residual images in g, masked by invvar=0 | REAL |

apflux_resid_g_4 | Aperture fluxes on the co-added residual images in g, masked by invvar=0 | REAL |

apflux_resid_g_5 | Aperture fluxes on the co-added residual images in g, masked by invvar=0 | REAL |

apflux_resid_g_6 | Aperture fluxes on the co-added residual images in g, masked by invvar=0 | REAL |

apflux_resid_g_7 | Aperture fluxes on the co-added residual images in g, masked by invvar=0 | REAL |

apflux_resid_g_8 | Aperture fluxes on the co-added residual images in g, masked by invvar=0 | REAL |

apflux_resid_i_1 | Aperture fluxes on the co-added residual images in i, masked by invvar=0 | REAL |

apflux_resid_i_2 | Aperture fluxes on the co-added residual images in i, masked by invvar=0 | REAL |

apflux_resid_i_3 | Aperture fluxes on the co-added residual images in i, masked by invvar=0 | REAL |

apflux_resid_i_4 | Aperture fluxes on the co-added residual images in i, masked by invvar=0 | REAL |

apflux_resid_i_5 | Aperture fluxes on the co-added residual images in i, masked by invvar=0 | REAL |

apflux_resid_i_6 | Aperture fluxes on the co-added residual images in i, masked by invvar=0 | REAL |

apflux_resid_i_7 | Aperture fluxes on the co-added residual images in i, masked by invvar=0 | REAL |

apflux_resid_i_8 | Aperture fluxes on the co-added residual images in i, masked by invvar=0 | REAL |

apflux_resid_r_1 | Aperture fluxes on the co-added residual images in r, masked by invvar=0 | REAL |

apflux_resid_r_2 | Aperture fluxes on the co-added residual images in r, masked by invvar=0 | REAL |

apflux_resid_r_3 | Aperture fluxes on the co-added residual images in r, masked by invvar=0 | REAL |

apflux_resid_r_4 | Aperture fluxes on the co-added residual images in r, masked by invvar=0 | REAL |

apflux_resid_r_5 | Aperture fluxes on the co-added residual images in r, masked by invvar=0 | REAL |

apflux_resid_r_6 | Aperture fluxes on the co-added residual images in r, masked by invvar=0 | REAL |

apflux_resid_r_7 | Aperture fluxes on the co-added residual images in r, masked by invvar=0 | REAL |

apflux_resid_r_8 | Aperture fluxes on the co-added residual images in r, masked by invvar=0 | REAL |

apflux_resid_w1_1 | Aperture fluxes on the co-added residual images in W1, masked by invvar=0 | REAL |

apflux_resid_w1_2 | Aperture fluxes on the co-added residual images in W1, masked by invvar=0 | REAL |

apflux_resid_w1_3 | Aperture fluxes on the co-added residual images in W1, masked by invvar=0 | REAL |

apflux_resid_w1_4 | Aperture fluxes on the co-added residual images in W1, masked by invvar=0 | REAL |

apflux_resid_w1_5 | Aperture fluxes on the co-added residual images in W1, masked by invvar=0 | REAL |

apflux_resid_w2_1 | Aperture fluxes on the co-added residual images in W2, masked by invvar=0 | REAL |

apflux_resid_w2_2 | Aperture fluxes on the co-added residual images in W2, masked by invvar=0 | REAL |

apflux_resid_w2_3 | Aperture fluxes on the co-added residual images in W2, masked by invvar=0 | REAL |

apflux_resid_w2_4 | Aperture fluxes on the co-added residual images in W2, masked by invvar=0 | REAL |

apflux_resid_w2_5 | Aperture fluxes on the co-added residual images in W2, masked by invvar=0 | REAL |

apflux_resid_w3_1 | Aperture fluxes on the co-added residual images in W3, masked by invvar=0 | REAL |

apflux_resid_w3_2 | Aperture fluxes on the co-added residual images in W3, masked by invvar=0 | REAL |

apflux_resid_w3_3 | Aperture fluxes on the co-added residual images in W3, masked by invvar=0 | REAL |

apflux_resid_w3_4 | Aperture fluxes on the co-added residual images in W3, masked by invvar=0 | REAL |

apflux_resid_w3_5 | Aperture fluxes on the co-added residual images in W3, masked by invvar=0 | REAL |

apflux_resid_w4_1 | Aperture fluxes on the co-added residual images in W4, masked by invvar=0 | REAL |

apflux_resid_w4_2 | Aperture fluxes on the co-added residual images in W4, masked by invvar=0 | REAL |

apflux_resid_w4_3 | Aperture fluxes on the co-added residual images in W4, masked by invvar=0 | REAL |

apflux_resid_w4_4 | Aperture fluxes on the co-added residual images in W4, masked by invvar=0 | REAL |

apflux_resid_w4_5 | Aperture fluxes on the co-added residual images in W4, masked by invvar=0 | REAL |

apflux_resid_z_1 | Aperture fluxes on the co-added residual images in z, masked by invvar=0 | REAL |

apflux_resid_z_2 | Aperture fluxes on the co-added residual images in z, masked by invvar=0 | REAL |

apflux_resid_z_3 | Aperture fluxes on the co-added residual images in z, masked by invvar=0 | REAL |

apflux_resid_z_4 | Aperture fluxes on the co-added residual images in z, masked by invvar=0 | REAL |

apflux_resid_z_5 | Aperture fluxes on the co-added residual images in z, masked by invvar=0 | REAL |

apflux_resid_z_6 | Aperture fluxes on the co-added residual images in z, masked by invvar=0 | REAL |

apflux_resid_z_7 | Aperture fluxes on the co-added residual images in z, masked by invvar=0 | REAL |

apflux_resid_z_8 | Aperture fluxes on the co-added residual images in z, masked by invvar=0 | REAL |

apflux_w1_1 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W1, masked by invvar=0 | REAL |

apflux_w1_2 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W1, masked by invvar=0 | REAL |

apflux_w1_3 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W1, masked by invvar=0 | REAL |

apflux_w1_4 | REAL | |

apflux_w1_5 | REAL | |

apflux_w2_1 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W2, masked by invvar=0 | REAL |

apflux_w2_2 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W2, masked by invvar=0 | REAL |

apflux_w2_3 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W2, masked by invvar=0 | REAL |

apflux_w2_4 | REAL | |

apflux_w2_5 | REAL | |

apflux_w3_1 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W3, masked by invvar=0 | REAL |

apflux_w3_2 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W3, masked by invvar=0 | REAL |

apflux_w3_3 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W3, masked by invvar=0 | REAL |

apflux_w3_4 | REAL | |

apflux_w3_5 | REAL | |

apflux_w4_1 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W4, masked by invvar=0 | REAL |

apflux_w4_2 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W4, masked by invvar=0 | REAL |

apflux_w4_3 | Aperture fluxes on the co-added images in apertures of radius [3, 5, 7, 9, 11] arcsec in W4, masked by invvar=0 | REAL |

apflux_w4_4 | REAL | |

apflux_w4_5 | REAL | |

apflux_z_1 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in z, masked by invvar=0 | REAL |

apflux_z_2 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in z, masked by invvar=0 | REAL |

apflux_z_3 | Aperture fluxes on the co-added images in apertures of radius [0.5, 0.75, 1.0, 1.5, 2.0, 3.5, 5.0, 7.0] arcsec in z, masked by invvar=0 | REAL |

apflux_z_4 | REAL | |

apflux_z_5 | REAL | |

apflux_z_6 | REAL | |

apflux_z_7 | REAL | |

apflux_z_8 | REAL | |

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

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

ls_id | Unique LS object ID | BIGINT |

maskbits | Bitwise mask indicating that an object touches a pixel in the coadd/*/*/*maskbits* maps, as cataloged on the DR10 bitmasks page_ | INTEGER |

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

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 |

random_id | Random ID in the range 0.0 => 100.0 | REAL |

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