TITLE: GCN CIRCULAR NUMBER: 44907 SUBJECT: GRB 260611A: Fermi GBM Final Real-time Localization DATE: 26/06/11 08:12:44 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 LONG GRB At 08:00:16 UT on 11 Jun 2026, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 260611A (trigger 802857621.474604 / 260611334). The on-ground calculated location, using the Fermi GBM trigger data, is RA = 126.4, Dec = -41.2 (J2000 degrees, equivalent to J2000 08h 25m, -41d 12'), with a statistical uncertainty of 18.7 degrees. The angle from the Fermi LAT boresight is 111.0 degrees. The skymap can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260611334/q... The HEALPix FITS file, including the estimated localization systematic, can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260611334/q... The GBM light curve can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260611334/q... View this GCN Circular online at https://gcn.nasa.gov/circulars/44907. --- To unsubscribe, open this link in a web browser: https://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6InZzbmV0LW...