Data Model for Metacalibration Outputs - lsst-dm/meas_extensions_ngmix GitHub Wiki

Colname dtype units description
id >i8 - unique id
coord_ra >f8 degrees ra
coord_dec >f8 degrees dec
parent >i8 - id of parent
mcal_flags >i4 - flags for metacal processing
mcal_stamp_size >i4 pixels size of each dimension of postage stamp
mcal_psf_flags >i4 - flags for psf fitting
mcal_psf_g1_mean >f8 - mean g1 of the psf, over all bands and epochs
mcal_psf_g2_mean >f8 - mean g2 of the psf, over all bands and epochs
mcal_psf_T_mean >f8 arcsec^2 mean T=<x^2> + <y^2> of PSF, over all bands and epochs
mcal_psf_r_flags >i4 - flags for r band psf fitting
mcal_psf_r_row >f8 arcsec psf v offset from canonical center in r band
mcal_psf_r_col >f8 arcsec psf u offset from cononical center in r band
mcal_psf_r_g1 >f8 - g1 for r band psf fit
mcal_psf_r_g2 >f8 - g2 for r band psf fit
mcal_psf_r_T >f8 arcsec^2 T=<x^2> + <y^2> for r band PSF fit
repeated for i and z bands - - -
mcal_gauss_flags >i4 - flags for gauss fit to all bands and epochs, unsheared
mcal_gauss_nfev >i4 - number of evaluations of likelihood, unsheared
mcal_gauss_chi2per >f8 - chi^2/degree of freedom of fit, unsheared
mcal_gauss_dof >i4 - number of degrees of freedom, unsheared
mcal_gauss_s2n >f8 - signal-to-noise ratio of gauss fit, unsheared
mcal_gauss_row >f8 arcsec v offset from canonical center for gauss fit, unsheared
mcal_gauss_row_err >f8 arcsec error in v offset, unsheared
mcal_gauss_col >f8 arcsec u offset from canonical center for gauss fit, unsheared
mcal_gauss_col_err >f8 arcsec error in u offset, unsheared
mcal_gauss_g1 >f8 - g1 for gauss fit, unsheared
mcal_gauss_g1_err >f8 - error in g1 for gauss fit, unsheared
mcal_gauss_g2 >f8 - g2 for gauss fit, unsheared
mcal_gauss_g2_err >f8 - error in g2 for gauss fit, unsheared
mcal_gauss_T >f8 arcsec^2 T=<x^2> + <y^2> for gauss fit, unsheared
mcal_gauss_T_err >f8 arcsec^2 error on T, unsheared
mcal_gauss_flux_r >f8 counts flux in r band for gauss fit, unsheared
mcal_gauss_flux_err_r >f8 counts error on flux in r band for gauss fit, unsheared
mcal_gauss_flux_i >f8 counts flux in i band for gauss fit, unsheared
mcal_gauss_flux_err_i >f8 counts error on flux in i band for gauss fit, unsheared
mcal_gauss_flux_z >f8 counts flux in z band for gauss fit, unsheared
mcal_gauss_flux_err_z >f8 counts error on flux in z band for gauss fit, unsheared
mcal_gauss_flags_1p >i4 - flags for gauss fit to all bands and epochs, shear +g1
mcal_gauss_nfev_1p >i4 - number of evaluations of likelihood, shear +g1
mcal_gauss_chi2per_1p >f8 - chi^2/degree of freedom of fit, shear +g1
mcal_gauss_dof_1p >i4 - number of degrees of freedom, shear +g1
mcal_gauss_s2n_1p >f8 - signal-to-noise ratio of gauss fit, shear +g1
mcal_gauss_row_1p >f8 arcsec v offset from canonical center for gauss fit, shear +g1
mcal_gauss_row_err_1p >f8 arcsec error in v offset, shear +g1
mcal_gauss_col_1p >f8 arcsec u offset from canonical center for gauss fit, shear +g1
mcal_gauss_col_err_1p >f8 arcsec error in u offset, shear +g1
mcal_gauss_g1_1p >f8 - g1 for gauss fit, shear +g1
mcal_gauss_g1_err_1p >f8 - error in g1 for gauss fit, shear +g1
mcal_gauss_g2_1p >f8 - g2 for gauss fit, shear +g1
mcal_gauss_g2_err_1p >f8 - error in g2 for gauss fit, shear +g1
mcal_gauss_T_1p >f8 arcsec^2 T=<x^2> + <y^2> for gauss fit, shear +g1
mcal_gauss_T_err_1p >f8 arcsec^2 error on T, shear +g1
mcal_gauss_flux_r_1p >f8 counts flux in r band for gauss fit, shear +g1
mcal_gauss_flux_err_r_1p >f8 counts error on flux in r band for gauss fit, shear +g1
mcal_gauss_flux_i_1p >f8 counts flux in i band for gauss fit, shear +g1
mcal_gauss_flux_err_i_1p >f8 counts error on flux in i band for gauss fit, shear +g1
mcal_gauss_flux_z_1p >f8 counts flux in z band for gauss fit, shear +g1
mcal_gauss_flux_err_z_1p >f8 counts error on flux in z band for gauss fit, shear +g1
repeated for shear +g2
repeated for shear -g1
repeated for shear -g2
footprint > i4 - ?
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