GMRT radio observations of HESS J1640-465

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, a...

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Autores principales: Giacani, E., Castelletti, G., Dubner, G., Joshi, B.C., Rao, P., Terrier, R.
Formato: CONF
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0094243X_v1085_n_p234_Giacani
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Sumario: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. © 2009 American Institute of Physics.