{
  "bibcode": "2008GCN..8551....1B",
  "body": "Elisabetta Bissaldi (MPE) reports on behalf of the Fermi GBM Team:\n\n\n\"At 14:49:34.57 UT on 20 November 2008, the Fermi Gamma-Ray Burst Monitor\ntriggered and located GRB 081120 (trigger 248885375 / 081120618).\nThe on-ground calculated location, using the GBM trigger\ndata, is RA = 205.4, Dec = -9.1 (J2000 degrees,\nequivalent to 13h 42m, -09d 06'), with an uncertainty\nof 6 degrees (radius, 1-sigma containment,\nstatistical only; there is additionally a systematic\nerror which is currently estimated to be 2 to 3 degrees).\nThe angle from the Fermi LAT boresight is 84 degrees.\n\nThe GRB light curve consists of two peaks and has a\nduration (T90) of about 12 s (8-1000 keV).\nThe time-averaged spectrum from T0-3.072 s to T0+6.144 s\nis best fit by a Band function with Epeak = 44 +/- 5 keV,\nalpha = 0.4 +/- 0.5 and beta = -2.18 +/- 0.10\n(chi squared 367 for 353 d.o.f.).\n\nThe event fluence (8-1000 keV) in this time interval is\n(2.7 +/- 0.9)E-06 erg/cm^2. The 1-sec peak photon flux measured\nstarting from T0+2.048 s in the 8-1000 keV band\nis 5.1 +/- 1.6 ph/s/cm^2.\n\n\nThe spectral analysis results presented above are preliminary;\nfinal results will be published in the GBM GRB Catalog.\"",
  "circularId": 8551,
  "createdOn": 1227632402000,
  "email": "ebs@mpe.mpg.de",
  "subject": "GRB 081120: Fermi GBM detection",
  "submitter": "Elisabetta Bissaldi at MPE  <ebs@mpe.mpg.de>",
  "eventId": "GRB 081120"
}