{
  "eventId": "GRB 251130B",
  "circularId": 42907,
  "editedOn": 1764699527512,
  "version": 2,
  "format": "text/plain",
  "createdOn": 1764528322628,
  "submitter": "rhamburg@usra.edu",
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\n\"At 15:33:18.11 UT on 30 November 2025, the Fermi Gamma-ray Burst Monitor (GBM)\ntriggered and located GRB 251130B (trigger 786209603/251130648).\n\nThe on-ground calculated location, using the Fermi GBM trigger data, is RA = 78.82, Dec = -43.31 (J2000 degrees, equivalent to J2000 5h 15m, –43d 18'), with a statistical uncertainty of 1.74 degrees.\n\nThe angle from the Fermi LAT boresight is 94 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251130648/quicklook/glg_skymap_all_bn251130648.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/bn251130648/quicklook/glg_healpix_all_bn251130648.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251130648/quicklook/glg_lc_medres34_bn251130648.gif\"",
  "subject": "GRB 251130B: Fermi GBM Final Localization Correction",
  "bibcode": "2025GCN.42907....1F",
  "editedBy": "Judith Racusin at NASA/GSFC <judith.racusin@nasa.gov> on behalf of rhamburg@usra.edu",
  "submittedHow": "web"
}