{
  "bibcode": "2022GCN.32918....1D",
  "body": "R. Dunwoody (UCD), R. Hamburg (UAH) and C. Meegan (UAH), report on behalf\nof the Fermi GBM Team:\n\n\"At 01:22:52.46 UT on 07 November 2022, the Fermi Gamma-ray Burst Monitor\n(GBM) triggered and located GRB 221107A (trigger 689476977 / 221107058.\nThis event was also observed by Swift/BAT-GUANO (GCN 32915) and GRBAlpha\n(GCN 32917).\n\nThe GBM position is reported in the Fermi-GBM Final on-ground Localization\n(GCN 32913). The angle from the Fermi LAT boresight is 54 degrees.\n\nThe GBM light curve shows numerous peaks with a duration (T90) of about 231\ns (50-300 keV). The time-averaged spectrum from T0-2 to T0+235 s is best\nfit by a Band function with Epeak = 47 +/- 2 keV, alpha = 0.32 +/- 0.17,\nand beta = -2.00 +/- 0.02.\n\nThe event fluence (10-1000 keV) in this time interval is (7.464 +/-\n0.261)E-05 erg/cm2. The 1-sec peak photon flux measured starting from\nT0+9.5 s in the 10-1000 keV band is 10.3 +/- 0.4 ph/s/cm2.\n\nThe spectral analysis results presented above are preliminary; final\nresults will be published in the GBM GRB Catalog:\nhttps://heasarc.gsfc.nasa.gov/W3Browse/fermi/fermigbrst.html For Fermi GBM\ndata and info, please visit the official Fermi GBM Support Page:\nhttps://fermi.gsfc.nasa.gov/ssc/data/access/gbm/\"",
  "circularId": 32918,
  "createdOn": 1667917830000,
  "email": "rachel.dunwoody@ucdconnect.ie",
  "subject": "GRB 221107A: Fermi GBM Observation",
  "submitter": "Rachel Dunwoody at UCD  <rachel.dunwoody@ucdconnect.ie>",
  "eventId": "GRB 221107A"
}