{
  "bibcode": "2010GCN.11002....1V",
  "body": "A. von Kienlin (MPE) reports on behalf of the Fermi GBM Team: \n\n\"At 05:42:22.00 UT on 27 July 2010, the Fermi Gamma-Ray Burst Monitor\ntriggered and located GRB 100727A (trigger 301902143 / 100727238),\nwhich was also detected by the SWIFT-BAT (Morris et al. 2010, GCN 10998)\nThe GBM on-ground location is consistent with the Swift position.\n \nThe angle from the Fermi LAT boresight is 95.1 degrees.\n\nThe GBM light curve consists of single peak\nwith a duration (T90) of about 24 +/- 3 s (50-300 keV). \nThe time-averaged spectrum from T0-6.144 s to T0+12.288 s is \nbest fit by a simple power law function with \nindex -1.71 +/- 0.04 (Castor C-STAT 785 for 473 d.o.f.).\n\nThe event fluence (8-1000 keV) in this time interval is \n(2.03 +/- 0.14)E-06 erg/cm^2. The 1.024-sec peak photon flux measured \nstarting from T0-4.096 s in the 8-1000 keV band \nis  1.6 +/- 0.2  ph/s/cm^2.\n\nThe spectral analysis results presented above are preliminary; \nfinal results will be published in the GBM GRB Catalog.\"",
  "circularId": 11002,
  "createdOn": 1280242632000,
  "email": "azk@mpe.mpg.de",
  "subject": "GRB 100727A: Fermi GBM observation",
  "submitter": "Andreas von Kienlin at MPE  <azk@mpe.mpg.de>",
  "eventId": "GRB 100727A"
}