{
  "bibcode": "2009GCN..9511....1B",
  "body": "Elisabetta Bissaldi (MPE) reports on behalf of the Fermi GBM Team:\n\n\n\"At 03:45:42.53 UT on 16 June 2009, the Fermi Gamma-Ray Burst Monitor\ntriggered and located GRB 090616 (trigger 266816744 / 090616157).\nThe on-ground calculated location, using the GBM trigger\ndata, is RA =  103.1, DEC = -3.7 (J2000 degrees,\nequivalent to 06h 52m, -03d 42'), with an uncertainty\nof 10.4 degrees (radius, 1-sigma containment,\nstatistical only; there is additionally a systematic\nerror which is currently estimated to be 2 to 3 degrees).\n \nThe angle from the Fermi LAT boresight is 68 degrees.\n\nThe GBM light curve shows a single pulse\nwith a duration (T90) of about 2.7 s (8-1000 keV).\nThe time-averaged spectrum from T0-0.128 s to T0+0.512 s\nis adequately fit by a simple power law function with\nindex -1.27 +/- 0.07 (chi squared 290 for 360 d.o.f.).\n\nThe event fluence (8-1000 keV) in this time interval is\n(2.23 +/- 0.09)E-07 erg/cm^2. The 256-msec peak photon flux measured\nstarting from T0-0.128 s in the 8-1000 keV band\nis 2.08 +/- 0.11 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": 9511,
  "createdOn": 1245229149000,
  "email": "ebs@mpe.mpg.de",
  "subject": "GRB 090616: Fermi GBM detection",
  "submitter": "Elisabetta Bissaldi at MPE  <ebs@mpe.mpg.de>",
  "eventId": "GRB 090616"
}