Résumé
Aims. HESS J1745-303 is an extended, unidentified VHE (very high energy) gamma-ray source discovered using HESS in the Galactic Plane Survey. Since no obvious counterpart has previously been found in longer-wavelength data, the processes that power the VHE emission are not well understood.Methods. Combining the latest VHE data with recent XMM-Newton observations and a variety of source catalogs and lower-energy survey data, we attempt to match (from an energetic and positional standpoint) the various parts of the emission of HESS J1745-303 with possible candidates.Results. Though no single counterpart is found to fully explain the VHE emission, we postulate that at least a fraction of the VHE source may be explained by a supernova-remnant/molecular-cloud association and/or a high-spin-down-flux pulsar.
| langue originale | Anglais |
|---|---|
| Pages (de - à) | 509-517 |
| Nombre de pages | 9 |
| journal | Astronomy and Astrophysics |
| Volume | 483 |
| Numéro de publication | 2 |
| Les DOIs | |
| état | Publié - 1 janv. 2008 |
| Modification externe | Oui |
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