Return to Home Page
TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2268 SUBJECT: GRB030329, further radio observations at GMRT DATE: 03/06/04 10:00:26 GMT FROM: D. Bhattacharya at Raman Research Inst. <dipankar@rri.res.in> A. Pramesh Rao and C. H. Ishwara Chandra (NCRA, Pune), D. Bhattacharya (RRI, Bangalore) and A.J. Castro-Tirado (IAA, Granada) report on behalf of a larger collaboration: The afterglow of GRB030329 (Peterson & Price, GCN 1985) was observed with the GMRT for about 5 hours on May 31, 2003. The observations were at 1288 MHz with a bandwidth of 12MHz and effective angular resolution of ~3.5". The flux density of the source seen at the position of the GRB on 31 March and 01 April 2003 (Rao et al, GCN 2073) has increased to 1.1 mJy confirming that the radio source is related to the GRB. The details of the GMRT measurements of GRB030329 at 1288 MHz: Date Time Flux Density 31 May 2003 14-18 UT 1100+/-150 microJy 31 March/01 April 2003 14-22 UT 330+/-100 microJy The quoted error bars are 2-sigma, and include systematic errors of calibration. Note that the flux density at 31 March/01 April epoch has been revised upwards in comparison to that reported in GCN 2073, following a better absolute flux density calibration. This message may be cited.
Return to the Powerful Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp
