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GCN Circular 2416

Subject
IPN triangulation of GRB031008 (annulus)
Date
2003-10-09T16:41:49Z (21 years ago)
From
Kevin Hurley at UCBerkeley/SSL <khurley@sunspot.ssl.berkeley.edu>
K. Hurley and T. Cline, on behalf of the Ulysses GRB team, and

A. von Kienlin, G. Lichti, and A. Rau, on behalf of the INTEGRAL
SPI-ACS GRB team, report:

Ulysses and INTEGRAL (SPI-ACS) observed this burst at 36711 seconds.
As observed by Ulysses, it had a duration of approximately 75 seconds,
a 25-100 keV fluence of approximately  6.7E-06 erg/cm2, and a peak flux
of approximately  7.5E-07 erg/cm2 s over 0.25 seconds.

We have triangulated it to a preliminary annulus centered  at RA,
Decl(2000)= 167.858,  18.462 degrees, whose radius is 27.625 +/-  0.643
degrees (3 sigma).

This annulus can be constrained and/or improved, but as the event was
not observed by Mars Odyssey, a small error box cannot be derived for
it.
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