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GCN Circular 509

Subject
IPN localization of GRB991226
Date
1999-12-27T23:33:55Z (24 years ago)
From
Kevin Hurley at UCBerkeley/SSL <khurley@sunspot.ssl.berkeley.edu>
K. Hurley, on behalf of the Ulysses GRB team, M. Feroci, on behalf
of the BeppoSAX GRB team, and T. Cline, on behalf of the NEAR GRB
team, report:

Ulysses, the BeppoSAX GRBM, and NEAR observed a ~25 s long burst
whose 25-100 keV fluence was ~2 x 10^-6 erg/cm^2 on December 26, 
1999 at 14:59:57 UT.  We have triangulated this burst to two
possible ~70 sq. arcmin. error boxes, whose coordinates are given
below.  Further examination of the BeppoSAX data should allow us
to determine which of the intersections the burst originates
from.

       RA(2000)        DEC(2000)          
14 h 38 m 50.18 s    -61 o 26 '   9.81 "    
14 h 38 m 17.77 s    -61 o 41 '  15.52 "    
14 h 38 m 36.73 s    -61 o 14 '  11.84 "    
14 h 38 m  4.71 s    -61 o 29 '  22.01 "     

           OR

      RA(2000)          DEC(2000)
13 h 14 m 42.16 s     -1 o 46 '  50.68 "
13 h 13 m 54.72 s     -1 o 36 '  44.08 "
13 h 15 m  4.53 s     -1 o 57 '  32.89 "
13 h 14 m 17.01 s     -1 o 47 '  21.34 "
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