GCN Circular 432
Subject
GRB991105: SAX-GRBM/-WFC detection
Date
1999-11-05T21:55:09Z (25 years ago)
From
M.Smith. at SRON <smith@napa.sdc.asi.it>
M.J.S. Smith, J.in't Zand, Space Research Organization of the Netherlands
(SRON), Utrecht,
G. Tarei, M. Dadina, BeppoSAX Scientific Operation Center (SOC), Rome,
and L. Piro, Istituto di Astrofisica Spaziale/CNR, Rome
report:
"The BeppoSAX Gamma Ray Burst Monitor (GRBM) and Wide Field Camera
(WFC unit 2) observed a gamma-ray burst triggered on November 5.6950
UT (BATSE trigger 7701).
A preliminary analysis reveals a duration of 13 s in the GRBM, with a
peak intensity of 970 cts/s in the 40-700 keV energy band.
In the WFC, the duration is 40 s and the peak flux is 1.1 Crab
(2-28 keV). The position of the X-ray counterpart is R.A. = 12h 03m 01s,
Decl. = -66d 48' 49" (equinox 2000.0) with an 99% error radius of 3.6'.
A BeppoSAX NFI follow-up observation will not be performed
due to sun-angle constraints."