SourceCatalogObjectHGPS

class gammapy.catalog.SourceCatalogObjectHGPS(data, data_extended=None)

Bases: gammapy.catalog.SourceCatalogObject

One object from the HGPS catalog.

The catalog is represented by SourceCatalogHGPS. Examples are given there.

Attributes Summary

energy_range	Spectral model energy range (Quantity with length 2).
flux_points	Flux points (FluxPoints).
name	Source name (str)
position	Source position (SkyCoord).
row_index	Row index of source in catalog (int)

Methods Summary

info(self[, info])	Info string.
sky_model(self[, which])	Source sky model.
spatial_model(self)	Spatial model (SpatialModel).
spectral_model(self[, which])	Spectral model (SpectralModel).

Attributes Documentation

energy_range

Spectral model energy range (Quantity with length 2).

flux_points

Flux points (FluxPoints).

name

Source name (str)

position

Source position (SkyCoord).

row_index

Row index of source in catalog (int)

Methods Documentation

info(self, info='all')

Info string.

Parameters

info{‘all’, ‘basic’, ‘map’, ‘spec’, ‘flux_points’, ‘components’, ‘associations’, ‘id’}

Comma separated list of options

sky_model(self, which='best')

Source sky model.

Parameters

which{‘best’, ‘pl’, ‘ecpl’}

Which spectral model

Returns

sky_modelSkyModel

Sky model of the catalog object.

spatial_model(self)

Spatial model (SpatialModel).

One of the following models (given by Spatial_Model in the catalog):

• Point-Like or has a size upper limit : PointSpatialModel

• Gaussian: GaussianSpatialModel

• 2-Gaussian or 3-Gaussian: composite model (using + with Gaussians)

• Shell: ShellSpatialModel

spectral_model(self, which='best')

Spectral model (SpectralModel).

One of the following models (given by Spectral_Model in the catalog):

• PL : PowerLawSpectralModel

• ECPL : ExpCutoffPowerLawSpectralModel

Parameters

which{‘best’, ‘pl’, ‘ecpl’}

Which spectral model