TITLE: GCN CIRCULAR NUMBER: 38258 SUBJECT: GRB 241117A: Fermi GBM Final Real-time Localization DATE: 24/11/17 03:11:11 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 03:00:43 UT on 17 Nov 2024, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 241117A (trigger 753505248.23077 / 241117125).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 2.0, Dec = 16.3 (J2000 degrees, equivalent to J2000 00h 08m, 16d 18'), with a statistical uncertainty of 1.7 degrees.

The angle from the Fermi LAT boresight is 58.0 degrees.

The skymap can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn241117125/q...

The HEALPix FITS file, including the estimated localization systematic, can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn241117125/q...

The GBM light curve can be found here: https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn241117125/q...

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