SourceCatalog1LHAASO

class gammapy.catalog.SourceCatalog1LHAASO(filename='$GAMMAPY_DATA/catalogs/1LHAASO_catalog.fits')

Bases: SourceCatalog

First LHAASO catalog.

One source is represented by SourceCatalogObject1LHAASO.

The data is from table 1 in the paper [1].

The catalog table contains 90 rows / sources.

References

[1]

1LHAASO: The First LHAASO Catalog of Gamma-Ray Sources, https://ui.adsabs.harvard.edu/abs/2023arXiv230517030C/abstract

Attributes Summary

description	Catalog description
positions	Source positions as a SkyCoord object.
tag	Catalog name

Methods Summary

row_index(name)	Look up row index of source by name.
source_name(index)	Look up source name by row index.
to_models([which])	Create Models object from catalog.

Attributes Documentation

description = '1LHAASO catalog from the LHAASO observatory'

Catalog description

positions

Source positions as a SkyCoord object.

tag = '1LHAASO'

Catalog name

Methods Documentation

row_index(name)

Look up row index of source by name.

Parameters:

namestr

Source name.

Returns:

indexint

Row index of source in table.

source_name(index)

Look up source name by row index.

Parameters:

indexint

Row index of source in table.

to_models(which='both')

Create Models object from catalog.

• which="both" - Use first model or create a composite template if both models are available.

• which="KM2A" - Sky model for KM2A analysis if available.

• which="WCDA" - Sky model for WCDA analysis if available.