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GMRT radio observations of HESS J1640-465

E. Giacani G. Castelletti G. Dubne B.C. Joshi P. Rao R. Terrier 1
1 APC - AHE - APC - Astrophysique des Hautes Energies
APC (UMR_7164) - AstroParticule et Cosmologie, Dipartimento di Astronomia, Universita degli Studi di Bologna
Abstract : New high resolution and high sensitivity radio observations were conducted with the Giant Metrewave Radio Telescope (GMRT) in the direction of the γ-ray source HESS J1640-465, in positional coincidence with the supernova remnant (SNR) G338.3-0.0. The new images, obtained at 235 MHz and at 610 MHz, allow us to confirm that G338.3-0.0 is a typical shell-like remnant. No sign of the existence of a pulsar wind nebula or a radio pulsar is detected in its interior. Whether the high-energy particles are accelerated at the SNR shell or associated with an undetected pulsar, is still an open question.
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http://hal.in2p3.fr/in2p3-00368763
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Submitted on : Tuesday, March 17, 2009 - 3:29:07 PM
Last modification on : Friday, October 30, 2020 - 12:04:03 PM

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E. Giacani, G. Castelletti, G. Dubne, B.C. Joshi, P. Rao, et al.. GMRT radio observations of HESS J1640-465. 4th International Meeting on High Energy Gamma-Ray Astronomy, Jul 2008, Heidelberg, Germany. pp.234-236, ⟨10.1063/1.3076648⟩. ⟨in2p3-00368763⟩

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