H.E.S.S. Galactic Plane Survey
HGPS paper (April 2018) online material

H.E.S.S. is an array of ground-based gamma-ray telescopes located in Namibia. The H.E.S.S. Galactic Plane Survey (HGPS) is the first deep and wide survey of the Milky Way in TeV gamma-rays.

This webpage contains the online material (survey maps, source catalog, figures) for the HGPS paper that was released in April 2018. This paper and the data products below cover HGPS observations taken from 2004 to 2013.

The HGPS paper is available here:

The HGPS data is available for download below, as well as here:

The HGPS paper was published as part of the special issue in Astronomy & Astrophysics:

Brief overviews of HGPS are available here:

If you have any questions or comments, contact the corresponding authors (Christoph Deil, Axel Donath, Ryan Chaves, Francois Brun, Vincent Marandon) via the general H.E.S.S. contact address: contact.hess@hess-experiment.eu

Survey Maps (FITS) #

Survey sky maps are released in FITS format. They are described in the paper in Appendix A.1. Each file is ~ 11 MB.

The "Extras" section below contains some information how to view and work with the maps.

Source catalog (FITS) #

The source catalog and other tables are released in FITS format. They are described in Appendix A.2 and Tables A.1 - A.9 at the end of the paper. This file is small (~ 50 kB).

The "Extras" section below contains some information how to view and work with the catalog.

Paper figures #

PDF and high-resolution PNG versions of all figures from the paper:

Extra figures #

For illustration purposes, we have produced the following extra figures from the release FITS files, showing the significance and flux survey maps at 0.1 deg resolution in a few different variants.

No colorbar was added on those images; if you're interested in absolute significance and flux values, please use the FITS images.

The cover image for the A&A special issue is a montage Galactic gamma-ray sources in the Milky Way above the H.E.S.S. telescopes in Namibia. The photo is an optical image, taken by Fabio Acero. Overlaid is a HGPS survey image showing the gamma-ray emission.

Extras #

This section contains some information that you might find helpful if you want to browse or work with the HGPS data.

Changelog #