{
  "bibcode": "2010GCN.11248....1G",
  "body": "David Gruber (MPE) reports on behalf of the Fermi GBM Team: \n\n\"At 13:49:27.63 UT on 06 September 2010, the Fermi Gamma-Ray Burst Monitor\ntriggered and located GRB 100906A (trigger 305473769 / 100906576)\nwhich was also detected by the Swift-BAT (Markwardt et al. 2010, GCN 11227)\nThe GBM on-ground location is consistent with the Swift position. \nThe angle from the Fermi LAT boresight is 95 degrees.\n\nThe GBM light curve shows several bright peaks\nwith a duration (T90) of about 105 s (50-300 keV). \nThe time-averaged spectrum from T0 to T0+122 s is \nbest fit by a Band function with Epeak = 106.0 +17.5/-20.2 keV, \nalpha = -1.34 +0.08/-0.06, and beta = -1.98 +0.06/-0.07. \n(Castor C-stat 1044 for 479 d.o.f.)\n\nThe event fluence (10-1000 keV) in this time interval is \n(2.64E-05 +/- 0.03)E-05 erg/cm^2. The 1-sec peak photon flux measured \nstarting from T0+10.1 s in the 10-1000 keV band \nis 14.45 +/- 0.29 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": 11248,
  "createdOn": 1283843590000,
  "email": "dgruber@mpe.mpg.de",
  "subject": "GRB 100906A: Fermi GBM observation",
  "submitter": "David Gruber at MPE  <dgruber@mpe.mpg.de>",
  "eventId": "GRB 100906A"
}