simsit.photometry

Utilities for transforming magnitudes between photometric systems and querying Gaia source catalogs.

References

Gaia DR2 photometric transformation documentation: https://gea.esac.esa.int/archive/documentation/GDR2/Data_processing/chap_cu5pho/sec_cu5pho_calibr/ssec_cu5pho_PhotTransf.html

Functions

convert_gaia_magnitude(gaia_g, gaia_bp, gaia_rp)	Convert Gaia magnitudes to an approximate target-system magnitude.
get_gaia_magnitude_histogram(ra_deg, ...[, ...])	Compute histograms of Gaia G, BP, and RP magnitudes in a sky region.
get_gaia_sources(ra_deg, dec_deg, radius_deg)	Query Gaia sources within a circular sky region.
spectrum_to_magnitude(*args, **kwargs)	Convert a spectrum to a magnitude in a specified photometric system.
vega_to_ab_offset(filter_name)	Return the additive offset to convert Vega magnitudes to AB magnitudes.