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GCN Circular 34814

Subject
GRB 231012A: Fermi GBM Final Real-time Localization
Date
2023-10-12T17:05:29Z (7 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 16:54:51 UT on 12 Oct 2023, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 231012A (trigger 718822496.021004 / 231012705).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 144.5, Dec = 64.7 (J2000 degrees, equivalent to J2000 09h 37m, 64d 42'), with a statistical uncertainty of 10.7 degrees.

The angle from the Fermi LAT boresight is 155.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn231012705/quicklook/glg_skymap_all_bn231012705.png

The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn231012705/quicklook/glg_healpix_all_bn231012705.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn231012705/quicklook/glg_lc_medres34_bn231012705.gif


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