Low frequency radio observations of GRS 1915+105 with GMRT

Ishwara-Chandra, C. H. ; Pramesh Rao, A. ; Pandey, Mamta ; Manchanda, R. K. ; Durouchoux, Philippe (2005) Low frequency radio observations of GRS 1915+105 with GMRT Chinese Journal of Astronomy and Astrophysics, 5 (S1). pp. 87-92. ISSN 1009-9271

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Official URL: http://iopscience.iop.org/1009-9271/5/S1/87;jsessi...

Related URL: http://dx.doi.org/10.1088/1009-9271/5/S1/87


We present the first detailed low frequency radio measurements of the galactic microquasar GRS 1915+105 with GMRT. Simultaneous observations were carried out at 610 and 244 MHz. Our data does not show any signature of spectral turn over even at low radio frequency of 244 MHz. We propose that while the radio emission at high radio frequencies could predominantly come from compact jets, the emission at lower frequency originates in the lobes at the end of the jet which acts like a reservoir of low energy electrons.

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