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TITLE: GCN GRB OBSERVATION REPORT NUMBER: 1937 SUBJECT: IPN triangulation of GRB030307 (annulus) DATE: 03/03/10 19:09:55 GMT FROM: Kevin Hurley at UCBerkeley/SSL <khurley@sunspot.ssl.berkeley.edu> K. Hurley, on behalf of the Ulysses GRB team, E. Mazets and S. Golenetskii, on behalf of the Konus-Wind GRB team, G. Ricker, J-L Atteia, N. Kawai, D. Lamb, S. Woosley, J. Doty, R. Vanderspek, J. Villasenor, G. Crew, G. Monnelly, N. Butler, J.G. Jernigan, A. Levine, F. Martel, E. Morgan, G. Prigozhin, J. Braga, R. Manchanda, G. Pizzichini, Y. Shirasaki, C. Graziani, M. Matsuoka, T. Tamagawa, K. Torii, T. Sakamoto, A. Yoshida, E. Fenimore, M. Galassi, T. Tavenner, T. Donaghy, M. Boer, J-F Olive, and J-P Dezalay, on behalf of the HETE GRB team, D. M. Smith, R. P. Lin, J. McTiernan, R. Schwartz, C. Wigger, W. Hajdas, and A. Zehnder, on behalf of the RHESSI GRB team, T. Cline, on behalf of the Ulysses and Konus GRB teams, and A. von Kienlin, G. Lichti, and A. Rau, on behalf of the INTEGRAL SPI-ACS GRB team, report: Ulysses, Konus-Wind, HETE (FREGATE), RHESSI, and INTEGRAL (SPI-ACS) observed this GRB at 52320 seconds. As observed by Ulysses, it had a duration of approximately 3 seconds, a 25-100 keV fluence of approximately 4.7E-06 erg/cm2, and a peak flux of approximately 2.4E-06 erg/cm2 s over 0.50 seconds. We have triangulated it to a preliminary annulus centered at RA, Decl(2000)= 345.309, -42.142 degrees, whose radius is 70.420 +/- 0.016 degrees (3 sigma ). This annulus may be constrained and/or improved, but as this event was not observed by Mars Odyssey, a small error box cannot be derived for it.
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