SourceCatalogGammaCat

class gammapy.catalog.SourceCatalogGammaCat(filename='$GAMMA_CAT/docs/data/gammacat.fits.gz')[source]

Bases: gammapy.catalog.SourceCatalog

Gammacat open TeV source catalog.

See: https://github.com/gammapy/gamma-cat

One source is represented by SourceCatalogObjectGammaCat.

Parameters:

filename : str

Path to the gamma-cat fits file.

Examples

Load the catalog data:

>>> from gammapy.catalog import SourceCatalogGammaCat
>>> cat = SourceCatalogGammaCat()

Access a source by name:

>>> source = cat['Vela Junior']

Access source spectral data and plot it:

>>> source.spectral_model.plot()
>>> source.spectral_model.plot_error()
>>> source.flux_points.plot()

Attributes Summary

description
name

Methods Summary

to_source_library() Convert to a SourceLibrary.

Attributes Documentation

description = 'An open catalog of gamma-ray sources'
name = 'gamma-cat'

Methods Documentation

to_source_library()[source]

Convert to a SourceLibrary.

TODO: add an option whether to skip or raise on missing models or data.