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GCN Circular 2126

Subject
IPN triangulation of GRB050403 (small error box)
Date
2003-04-10T00:17:03Z (21 years ago)
From
Kevin Hurley at UCBerkeley/SSL <khurley@sunspot.ssl.berkeley.edu>
K. Hurley and T. Cline, on behalf of the Ulysses, Konus, and HETE GRB teams,

E. Mazets and S. Golenetskii, on behalf of the Konus-Wind GRB team,

I. Mitrofanov, D. Anfimov, A. Kozyrev, M. Litvak and A. Sanin,
on behalf of the HEND/Odyssey GRB team,

W. Boynton, C. Fellows, K. Harshman, C. Shinohara and R. Starr,
on behalf of the GRS/Odyssey 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, and

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

Ulysses, Mars Odyssey (HEND and GRS), HETE-FREGATE (H2662), INTEGRAL (SPI-ACS),
and Konus-Wind observed this GRB at 08248 seconds.  As observed by
Ulysses, it had a duration of approximately 5 seconds, a 25-100 keV
fluence of approximately  4.3E-06 erg/cm2, and a peak flux of
approximately  1.0E-06 erg/cm2 s over 0.25 seconds.

We have triangulated it to a preliminary, 3 sigma error box whose
approximate area is 36 sq. arcmin. and whose coordinates are:


    RA(2000)                              DEC(2000)
 ERROR BOX CENTER:  16 h 33 m 06.33 s    -24 o 09 '  08.86 " 
 ERROR BOX CORNER 1: 16 h 33 m 06.62 s    -24 o 07 '  34.35 " 
 ERROR BOX CORNER 2: 16 h 33 m 58.27 s    -23 o 52 '  17.70 " 
 ERROR BOX CORNER 3: 16 h 32 m 14.93 s    -24 o 25 '  49.05 " 
 ERROR BOX CORNER 4: 16 h 33 m 06.05 s    -24 o 10 '  43.30 " 

This error box may be improved.
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