TITLE:   GCN CIRCULAR
NUMBER:  43096
SUBJECT: GRB 251214C: Fermi GBM Final Localization
DATE:    25/12/14 13:08:43 GMT
FROM:    Marianna Dafčíková at Masaryk University <500025@mail.muni.cz>

The Fermi GBM team reports the detection of a likely LONG GRB

"At 09:17:32.51 UT on 14 December 2025, the Fermi Gamma-ray Burst Monitor (GBM)
triggered and located GRB 251214C (trigger 787396657/251214387).

The on-ground calculated location, using the Fermi GBM trigger data,
is RA = 346.3, Dec = 41.0 (J2000 degrees, equivalent to J2000 23h 05m, +41d 0'),
with a statistical uncertainty of 6.0 degrees.

The angle from the Fermi LAT boresight is 138 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251214387/quicklook/glg_skymap_all_bn251214387.png

The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251214387/quicklook/glg_healpix_all_bn251214387.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251214387/quicklook/glg_lc_medres34_bn251214387.gif"