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Paper: GMRT Observations of H.E.S.S. Sources
Volume: 407, The Low-Frequency Radio Universe
Page: 349
Authors: Osborne, J.L.; Pandey-Pommier, M.; Udaya Shankar, N.
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.
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