{
  "bibcode": "2021GCN.29902....1F",
  "body": "GRB 210422B: Fermi GBM Final Localization\n\nThe Fermi GBM Team reports the detection of a likely long GRB.\n\nAt 13:44:40.17 UT on 22 April 2021, the Fermi Gamma-Ray Burst Monitor\n(GBM) triggered and located GRB 210422B (trigger 640791885 /\n210422573).\n\nThis trigger coincides in time with INTEGRAL SPI-ACS trigger 9158.0\nand CALET trigger 1303134201.\n\nThe on-ground calculated location, using the GBM trigger data, is\nRA = 116.63, DEC = 24.71 (J2000 degrees, 7h 46m 31s, 24d 42' 36���),\nwith a statistical uncertainty radius of 2.11 degrees.\n\nThe angle from the Fermi LAT boresight at the GBM trigger time is\n62.00 degrees.\n\nThe GBM light curve consists of two peaks prominent in the range\n10-300 keV.\n\nA skymap can be found at:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210422573/quicklook/glg_skymap_all_bn210422573.png\n\nHEALPix, including the estimated localization systematic:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210422573/quicklook/glg_healpix_all_bn210422573.fit\n\nGBM light curve:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210422573/quicklook/glg_lc_medres34_bn210422573.gif",
  "circularId": 29902,
  "createdOn": 1619449607000,
  "email": "bah0046@uah.edu",
  "eventId": "GRB 210422B",
  "subject": "GRB 210422B: Fermi GBM Final Localization",
  "submitter": "Boyan A. Hristov at UAH  <bah0046@uah.edu>"
}