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TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2207 SUBJECT: IPN triangulation of GRB030506 (annulus) DATE: 03/05/06 17:28:56 GMT FROM: Kevin Hurley at UCBerkeley/SSL <khurley@sunspot.ssl.berkeley.edu> K. Hurley and T. Cline, on behalf of the Ulysses and Konus GRB teams, A. von Kienlin, G. Lichti, and A. Rau, on behalf of the INTEGRAL SPI-ACS GRB team, and E. Mazets and S. Golenetskii, on behalf of the Konus-Wind GRB team, report: Ulysses, INTEGRAL (SPI-ACS), and Konus-Wind observed this GRB at 07451 seconds. As observed by Ulysses, it had a duration of approximately 25 seconds, a 25-100 keV fluence of approximately 7.1E-06 erg/cm2, and a peak flux of approximately 5.3E-07 erg/cm2 s over 0.25 seconds. We have triangulated it to a preliminary annulus centered at RA, Decl(2000)= 332.305, -36.886 degrees, whose radius is 38.405 +/- 0.070 degrees (3 sigma ). This annulus may be constrained and/or improved, but at this point it is not known whether the event was observed by Mars Odyssey, and thus whether a small error box can be derived for it.
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