TITLE:   GCN CIRCULAR
NUMBER:  31265
SUBJECT: GRB 211219A: Fermi GBM Final Real-time Localization
DATE:    21/12/19 15:05:53 GMT
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 14:55:22 UT on 19 Dec 2021, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 211219A (trigger 661618527.567338 / 211219622).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 60.5, Dec = -30.5 (J2000 degrees, equivalent to J2000 04h 01m, -30d 30'), with a statistical uncertainty of 3.3 degrees.

The angle from the Fermi LAT boresight is 100.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn211219622/quicklook/glg_skymap_all_bn211219622.png

The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn211219622/quicklook/glg_healpix_all_bn211219622.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn211219622/quicklook/glg_lc_medres34_bn211219622.gif