{
  "format": "text/plain",
  "circularId": 40418,
  "body": "The Fermi GBM team reports the detection of a likely LONG GRB\n\n\"At 06:41:54.06 UT on 10 May 2025, the Fermi Gamma-ray Burst Monitor (GBM)\ntriggered and located GRB 250510B (trigger 768552119/250510279).\n\nThe on-ground calculated location, using the Fermi GBM trigger data,\nis RA = 128.93, Dec = -24.76 (J2000 degrees, equivalent to J2000 08h 35m, -24d 45'),\nwith a statistical uncertainty of 2.39 degrees.\n\nThe angle from the Fermi LAT boresight is 103 degrees.\n\nThe skymap can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250510279/quicklook/glg_skymap_all_bn250510279.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/bn250510279/quicklook/glg_healpix_all_bn250510279.fit\n\nThe GBM light curve can be found here:\nhttps://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250510279/quicklook/glg_lc_medres34_bn250510279.gif\"",
  "subject": "GRB 250510B: Fermi GBM Final Localization",
  "createdOn": 1746870541682,
  "submittedHow": "web",
  "bibcode": "2025GCN.40418....1F",
  "eventId": "GRB 250510B",
  "submitter": "A. Holzmann Airasca at University of Trento and INFN Bari <a.holzmannairasca@unitn.it>"
}