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11-18 August 2011
Asia/Shanghai timezone
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Contribution oral

OG 2.2 Galactic sources (Binaries, micro quasars, pulsars, SN remnants, molecular clouds, etc.)

Long-term Gamma-ray observations of the binary candidate HESS J0632+057


  • Dr. Gernot MAIER

Primary authors

Abstract content

HESS J0632+057 is an unidentified gamma-ray source located in the Monoceros region. It is possibly associated with the massive star MWC 148. HESS and VERITAS observations indicate that this object is a new member of the elusive VHE binary class. Long-term Swift observations at X-ray wavelengths show strong evidence for a periodic emission pattern, with a period of about 320 days. We present here gamma-ray observations from VERITAS and HESS at energies above 100 GeV taken over several years which are revealing clear flux variability patterns. The gamma-ray results and their astrophysical implications are discussed in the context of contemporanous observations with Swift and Fermi at X- and Gamma-ray energies.