GCN Circular 32960
Subject
GRB 221121A: Fermi GBM Final Real-time Localization
Date
2022-11-21T06:45:10Z (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 06:34:49 UT on 21 Nov 2022, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 221121A (trigger 690705294.743784 / 221121274).
The on-ground calculated location, using the Fermi GBM trigger data, is RA = 168.8, Dec = 71.1 (J2000 degrees, equivalent to J2000 11h 15m, 71d 05'), with a statistical uncertainty of 1.1 degrees.
The angle from the Fermi LAT boresight is 18.0 degrees.
The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn221121274/quicklook/glg_skymap_all_bn221121274.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/bn221121274/quicklook/glg_healpix_all_bn221121274.fit
The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn221121274/quicklook/glg_lc_medres34_bn221121274.gif
