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TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2073 SUBJECT: GRB 030329: Radio observations at GMRT DATE: 03/04/02 11:02:26 GMT FROM: D. Bhattacharya at Raman Research Inst. <dipankar@rri.res.in> A. Pramesh Rao and C. H. Ishwara Chandra (National Centre for Radio Astrophysics, Pune, India), and D. Bhattacharya (Raman Research Institute, Bangalore, India) report on behalf of a larger collaboration: The GRB030329 was observed with the Giant Metrewave Radio Telescope (Khodad, India) for 8 hours on 31 March and for 5 hours on 01 April 2003. The observations were at 1288 MHz with a bandwidth of 8MHz and angular resolution of ~3.5". There was a detection of emission at the position of the GRB as shown below Date Time Flux Density rms noise 31 March 2003 14-22 UT 245 microJy 35 microJy 01 April 2003 18-22 UT 235 microJy 40 microJy It is at present unclear whether the detected flux is due to the burst or due to a background source that may or may not be associated with the burst. A GMRT map of the field can be seen in http://www.ncra.tifr.res.in/~pramesh/images/grb030329.jpg This message may be cited.
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