{
  "submitter": "Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>",
  "circularId": 42207,
  "bibcode": "2025GCN.42207....1F",
  "eventId": "GRB 251012A",
  "submittedHow": "email",
  "createdOn": 1760281010072,
  "body": "The Fermi GBM team reports the detection of a likely SHORT GRB\n\nAt 14:46:27 UT on 12 Oct 2025, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 251012A (trigger 781973192.204998 / 251012616).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 291.6, Dec = 7.5 (J2000 degrees, equivalent to J2000 19h 26m, 7d 30'), with a statistical uncertainty of 9.9 degrees.\n\nThe angle from the Fermi LAT boresight is 59.0 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251012616/quicklook/glg_skymap_all_bn251012616.png\n\nThe HEALPix FITS file, including the estimated localization systematic, can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251012616/quicklook/glg_healpix_all_bn251012616.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251012616/quicklook/glg_lc_medres34_bn251012616.gif\n",
  "subject": "GRB 251012A: Fermi GBM Final Real-time Localization"
}