read_one_healpix

romanisim.catalog.read_one_healpix(filename, date=None, bandpasses=None, **kwargs)

Make a catalog of stars from a Gaia catalog files, sorted by Healpix.

The files are assumed to be in FITS format. Healpix parameters: 128 sides nested order Galactic frame

Parameters:

filename: string

Path to healpix file

dateastropy.time.Time

Optional argument to provide a date and time for stellar search

bandpasseslist[str]

List of names of bandpasses for which to generate fluxes.

Returns:

catalogastropy.Table

Table for use with table_to_catalog to generate catalog for simulation.