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Title: GMRT observations of H.E.S.S. sources
Authors: Osborne, J.
Pandey-Pommier, M.
Udaya Shankar, N.
Issue Date: Sep-2009
Publisher: Astronomical Society of the Pacific
Citation: ASP Conference Series, 2009, Vol.407, p349
Abstract: We have observed 4 VHE gamma-ray sources discovered by the High Energy Stereoscopic System (H.E.S.S.) with the Giant Metrewave Radio Telescope (GMRT). The sources viz., HESS J1813-178, HESS J1825-137, HESS J1834-087, and HESS J1837-069 were observed simultaneously at 0.61 and 0.235 GHz and at 1.28 GHz. Resolved source counterparts for 3 of these were detected at all the three frequencies. None was detected for HESS J1825-137. We investigate the consistent multiwavelength behaviour of these sources and plausible gamma-ray emission mechanisms.
Description: Open Access. Proceedings of the conference held 8-12 December 2008, at National Centre for Radio Astrophysics (NCRA), TIFR, Pune, India. Edited by D. J. Saikia, D. A. Green, Y. Gupta, and T. Venturi. San Francisco: Astronomical Society of the Pacific.
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Copyright: 2009 Astronomical Society of the Pacific.
Appears in Collections:Research Papers (A&A)

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