Star catalogs

Star catalogs are used for PSF-related diagnostics. The columns in a star catalog are:

Group	Name	Kind	Meaning
stars	calib_psf_reserved	1D bool
stars	calib_psf_used	1D bool
stars	dec	1D float64
stars	extendedness	1D float64
stars	id	1D int64
stars	mag_g	1D float64
stars	mag_i	1D float64
stars	mag_r	1D float64
stars	mag_u	1D float64
stars	mag_y	1D float64
stars	mag_z	1D float64
stars	measured_T	1D float64
stars	measured_e1	1D float64
stars	measured_e2	1D float64
stars	model_T	1D float64
stars	model_e1	1D float64
stars	model_e2	1D float64
stars	ra	1D float64
stars	tract	1D int64