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Table: des_dr1.shape_metacal_riz_unblind
(The bold columns are indexed columns)
| Column Name | Description | Datatype |
|---|---|---|
| coadd_objects_id | Y1A1 unique object ID | BIGINT |
| covmat_0_0 | The e1-e1 covariance | DOUBLE |
| covmat_0_0_1m | The e1-e1 covariance after applying a shear of g1=-0.01 to the image (in the metacal process | DOUBLE |
| covmat_0_0_1p | The e1-e1 covariance after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| covmat_0_0_2m | The e1-e1 covariance after applying a shear of g2=-0.01 to the image (in the metacal process) | DOUBLE |
| covmat_0_0_2p | The e1-e1 covariance after applying a shear of g2=0.01 to the image (in the metacal process) | DOUBLE |
| covmat_0_1 | The e1-e2 covariance | DOUBLE |
| covmat_0_1_1m | The e1-e2 covariance after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| covmat_0_1_1p | The e1-e2 covariance after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| covmat_0_1_2m | The e1-e2 covariance after applying a shear of g2=-0.01 to the image (in the metacal process) | DOUBLE |
| covmat_0_1_2p | The e1-e2 covariance after applying a shear of g2=0.01 to the image (in the metacal process) | DOUBLE |
| covmat_1_1 | The e2-e2 covariance | DOUBLE |
| covmat_1_1_1m | The e2-e2 covariance after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| covmat_1_1_1p | The e2-e2 covariance after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| covmat_1_1_2m | The e2-e2 covariance after applying a shear of g2=-0.01 to the image (in the metacal process) | DOUBLE |
| covmat_1_1_2p | The e2-e2 covariance after applying a shear of g2=0.01 to the image (in the metacal process) | DOUBLE |
| dec | Declination (degrees) from the MOF catalog | DOUBLE |
| e1 | The measured ellipticity e1 in WCS | DOUBLE |
| e1_1m | The measured e1 after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| e1_1p | The measured e1 after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| e1_2m | The measured e1 after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| e1_2p | The measured e1 after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| e2 | The measured ellipticity e2 in WCS | DOUBLE |
| e2_1m | The measured e2 after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| e2_1p | The measured e2 after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| e2_2m | The measured e2 after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| e2_2p | The measured e2 after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| flags | Quality flagging used as bit 2^3 in flags_select. See Table METACALIBRATION flags_select at https://des.ncsa.illinois.edu/releases/y1a1/key-catalogs/key-shape | INTEGER |
| flags_select | Selection flag based on unshared quantities. 0 means use the object. See Table below | INTEGER |
| flags_select_1m | Selection flag based on sheared (g1=-0.01) quantities. 0 means use the object | INTEGER |
| flags_select_1p | Selection flag based on sheared (g1=0.01) quantities. 0 means use the object | INTEGER |
| flags_select_2m | Selection flag based on sheared (g2=-0.01) quantities. 0 means use the object | INTEGER |
| flags_select_2p | Selection flag based on sheared (g2=0.01) quantities. 0 means use the object | INTEGER |
| flux_err_i | The uncertainty on the i-band flux | DOUBLE |
| flux_err_r | The uncertainty on the r-band flux | DOUBLE |
| flux_err_z | The uncertainty on the z-band flux | DOUBLE |
| flux_i | The measured i-band flux of the object | DOUBLE |
| flux_i_1m | The measured i -band flux of the object after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| flux_i_1p | The measured i -band flux of the object after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| flux_i_2m | The measured i -band flux of the object after applying a shear of g2=-0.01 to the image (in the metacal process) | DOUBLE |
| flux_i_2p | The measured i -band flux of the object after applying a shear of g2=0.01 to the image (in the metacal process) | DOUBLE |
| flux_r | The measured r-band flux of the object | DOUBLE |
| flux_r_1m | The measured r-band flux of the object after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| flux_r_1p | The measured r-band flux of the object after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| flux_r_2m | The measured r-band flux of the object after applying a shear of g2=-0.01 to the image (in the metacal process) | DOUBLE |
| flux_r_2p | The measured r-band flux of the object after applying a shear of g2=0.01 to the image (in the metacal process) | DOUBLE |
| flux_z | The measured z-band flux of the object | DOUBLE |
| flux_z_1m | The measured z -band flux of the object after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| flux_z_1p | The measured z -band flux of the object after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| flux_z_2m | The measured z -band flux of the object after applying a shear of g2=-0.01 to the image (in the metacal process) | DOUBLE |
| flux_z_2p | The measured z -band flux of the object after applying a shear of g2=0.01 to the image (in the metacal process) | DOUBLE |
| mask_frac | The fraction of masked model flux | DOUBLE |
| mcal_psf_e1 | The PSF model ellipticity e1 used in the metacal process. For typical null tests, use psf_e1 | DOUBLE |
| mcal_psf_e2 | The PSF model ellipticity e1 used in the metacal process. For typical null tests, use psf_e2 | DOUBLE |
| mcal_psf_size | The PSF model size T (arcsec^2) used in the metacal process. For typical null tests, use psf_size | DOUBLE |
| psf_e1 | The PSF model ellipticity e1 in WCS | DOUBLE |
| psf_e2 | The PSF model ellipticity e2 in WCS | DOUBLE |
| psf_size | The PSF model size T (arcsec^2). See Eq. 3.1 of Zuntz & Sheldon et al. (2018) for definition of T | DOUBLE |
| r11 | The shear response matrix e1-e1 element. For details on calculation, see Zuntz & Sheldon et al. (2018). You must calculate the selection bias response to add to this | DOUBLE |
| r12 | The shear response matrix e1-e2 element | DOUBLE |
| r21 | The shear response matrix e2-e1 element | DOUBLE |
| r22 | The shear response matrix e2-e2 element | DOUBLE |
| ra | Right Ascension (degrees) from the MOF catalog | DOUBLE |
| region | Which footprint region of the catalog the object is in. 1=SPT (used in the key project papers), 2=Stripe 82, 3=D04 | SMALLINT |
| size | The measured object size T (arcsec^2) | DOUBLE |
| size_1m | The measured T after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| size_1p | The measured T after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| size_2m | The measured T after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| size_2p | The measured T after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| size_err | The uncertainty in the object size T (arcsec^2) | DOUBLE |
| size_err_1m | The uncertainty in T after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| size_err_1p | The uncertainty in T after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| size_err_2m | The uncertainty in T after applying a shear of g2=-0.01 to the image (in the metacal process) | DOUBLE |
| size_err_2p | The uncertainty in T after applying a shear of g2=0.01 to the image (in the metacal process) | DOUBLE |
| snr | The measured signal-to-noise (snr) of the object | DOUBLE |
| snr_1m | The snr of the object after applying a shear of g1=-0.01 to the image (in the metacal process) | DOUBLE |
| snr_1p | The snr of the object after applying a shear of g1=0.01 to the image (in the metacal process) | DOUBLE |
| snr_2m | The snr of the object after applying a shear of g2=-0.01 to the image (in the metacal process) | DOUBLE |
| snr_2p | The snr of the object after applying a shear of g2=0.01 to the image (in the metacal process) | DOUBLE |
| tilename | Tile name of tile the object lies within. Each tile is a square of 10,000 pixels on a side, which makes up the extent of the coadd image. The position of the tile on the sky is encoded in its name | VARCHAR |
