GCN Circular 33012
Subject
GRB 221203A: Fermi GBM Final Real-time Localization
Date
2022-12-03T13:03:36Z (2 years ago)
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 12:52:59 UT on 3 Dec 2022, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 221203A (trigger 691764784.454144 / 221203537).
The on-ground calculated location, using the Fermi GBM trigger data, is RA = 355.1, Dec = -69.0 (J2000 degrees, equivalent to J2000 23h 40m, -69d 00'), with a statistical uncertainty of 4.6 degrees.
The angle from the Fermi LAT boresight is 60.0 degrees.
The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn221203537/quicklook/glg_skymap_all_bn221203537.png
The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn221203537/quicklook/glg_healpix_all_bn221203537.fit
The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn221203537/quicklook/glg_lc_medres34_bn221203537.gif