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TITLE: GCN GRB OBSERVATION REPORT NUMBER: 1982 SUBJECT: GRB030328: optical photometry at the TNG DATE: 03/03/29 11:51:16 GMT FROM: Angelo Antonelli at Obs. Astro. di Roma <angelo@coma.mporzio.astro.it> D. Fugazza (TNG), L.A. Antonelli, F. Fiore,(INAF-OAR), S. Covino, G. Ghisellini (INAF-OAB), E. Pian (INAF-OAT), N. Masetti (CNR-IASF), A. Buzzoni, Tessicini (TNG) on behalf of a larger collaboration, report: "On March 29 2003 we have obtained R band photometry of the optical afterglow of GRB030328 (Peterson & Price GCN #1974) using DOLORES at TNG. Observations were performed under moderate seeing conditions (between 1" and 1.5"). A preliminary analysis of the images allowed us to derive the following photometry for the OT calibrated by means of a Landolt standard field: 20.59 +/- 0.07 at UT 00:10:14, 12.82 hours after the burst 20.79 +/- 0.08 at UT 02:34:41, 15.23 hours after the burst The photometry for the star "B" reported in GCN #1977 (Price and Peterson) turns out to be: 16.31 +/- 0.06 We are particularly grateful to the TNG staff for their remarkable support to these observations." This message is citeable.
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