TITLE: GCN CIRCULAR NUMBER: 43027 SUBJECT: GRB 251208A: Fermi GBM Final Real-time Localization DATE: 25/12/08 09:36:35 GMT FROM: Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov> The Fermi GBM team reports the detection of a likely SHORT GRB At 09:25:57 UT on 8 Dec 2025, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 251208A (trigger 786878762.38767 / 251208393). The on-ground calculated location, using the Fermi GBM trigger data, is RA = 32.8, Dec = -66.7 (J2000 degrees, equivalent to J2000 02h 11m, -66d 42'), with a statistical uncertainty of 3.9 degrees. The angle from the Fermi LAT boresight is 56.0 degrees. The skymap can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251208393/q... The HEALPix FITS file, including the estimated localization systematic, can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251208393/q... The GBM light curve can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251208393/q... View this GCN Circular online at https://gcn.nasa.gov/circulars/43027. --- To unsubscribe, open this link in a web browser: https://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6InZzbmV0LW...