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GCN Circular 33023

Subject
GRB 221206B: Fermi GBM Final Real-time Localization
Date
2022-12-06T12:33:03Z (a year 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 12:22:47 UT on 6 Dec 2022, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 221206B (trigger 692022172.359134 / 221206516).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 255.1, Dec = 44.5 (J2000 degrees, equivalent to J2000 17h 00m, 44d 30'), with a statistical uncertainty of 1.0 degrees.

The angle from the Fermi LAT boresight is 129.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn221206516/quicklook/glg_skymap_all_bn221206516.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/bn221206516/quicklook/glg_healpix_all_bn221206516.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn221206516/quicklook/glg_lc_medres34_bn221206516.gif
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