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GCN Circular 35521

Subject
GRB 240112B: Fermi GBM Final Real-time Localization
Date
2024-01-12T13:09:48Z (3 months ago)
From
Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply@GIOC.nsstc.nasa.gov>
Via
email
The Fermi GBM team reports the detection of a likely LONG GRB

At 12:59:25 UT on 12 Jan 2024, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 240112B (trigger 726757170.415726 / 240112541).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 8.2, Dec = -65.9 (J2000 degrees, equivalent to J2000 00h 32m, -65d 54'), with a statistical uncertainty of 3.4 degrees.

The angle from the Fermi LAT boresight is 150.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240112541/quicklook/glg_skymap_all_bn240112541.png

The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240112541/quicklook/glg_healpix_all_bn240112541.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240112541/quicklook/glg_lc_medres34_bn240112541.gif


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