{
  "bibcode": "1999GCN...442....1K",
  "body": "R. M. Kippen, S. Phengshamnan & T. Giblin (University of Alabama in\nHuntsville) report on behalf of the BATSE GRB team:\n\nGRB 991105 was detected by BATSE on 1999 November 5.694963 UT as\ntrigger number 7841.  The event consisted of a complex series of\npulses with two major episodes and significant spectral evolution.\nThe T50 and T90 durations are 12.35 (-/+ 1.90) s and 48.64 (-/+ 1.36)\ns, respectively.  The burst's peak flux (50-300 keV; integrated over\n1.024 s) and fluence (>20 keV) are 1.98 (-/+ 0.06) photons cmE-2 sE-1\nand 4.01 (-/+ 0.79) x 10E-6 erg cmE-2, respectively---ranking it in\nthe top 20% (38%) of the BATSE burst flux (fluence) distribution.  The\naverage spectral hardness of the burst, as estimated by the ratio of\n100-300 keV counts to those in the 50-100 keV range, is H32 = 0.83\n(-/+ 0.01), which is average for bursts of this duration.  The BATSE\nburst location is consistent with those measured by BeppoSAX (GCN 430)\nand the IPN (SAX/NEAR; GCN 411).  The lightcurve for this event will\nbe available shortly at: http://gammaray/batse/grb/lightcurve/",
  "circularId": 442,
  "createdOn": 942103100000,
  "email": "marc.kippen@msfc.nasa.gov",
  "subject": "GRB 991105: BATSE Observations",
  "submitter": "R. Marc Kippen at BATSE/UAH/MSFC  <marc.kippen@msfc.nasa.gov>",
  "eventId": "GRB 991105"
}