SourceCatalog2HWC

class gammapy.catalog.SourceCatalog2HWC(filename='$GAMMAPY_DATA/catalogs/2HWC.ecsv')

Bases: gammapy.catalog.core.SourceCatalog

HAWC 2HWC catalog.

One source is represented by SourceCatalogObject2HWC.

The data is from tables 2 and 3 in the paper [1].

The catalog table contains 40 rows / sources. The paper mentions 39 sources e.g. in the abstract. The difference is due to Geminga, which was detected as two “sources” by the algorithm used to make the catalog, but then in the discussion considered as one source.

References

1

Abeysekara et al, “The 2HWC HAWC Observatory Gamma Ray Catalog”, On ADS: 2017ApJ…843…40A

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(**kwargs)	Create Models object from catalog.

Attributes Documentation

description = '2HWC catalog from the HAWC observatory'

Catalog description

positions

Source positions as a SkyCoord object.

tag = '2hwc'

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(**kwargs)

Create Models object from catalog.