TITLE:   GCN CIRCULAR
NUMBER:  35492
SUBJECT: GRB 240106B: Fermi GBM Final Real-time Localization
DATE:    24/01/06 06:32:05 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 06:21:20 UT on 6 Jan 2024, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 240106B (trigger 726214885.929338 / 240106265).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 239.8, Dec = -22.5 (J2000 degrees, equivalent to J2000 15h 59m, -22d 30'), with a statistical uncertainty of 5.4 degrees.

The angle from the Fermi LAT boresight is 43.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240106265/quicklook/glg_skymap_all_bn240106265.png

The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240106265/quicklook/glg_healpix_all_bn240106265.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2024/bn240106265/quicklook/glg_lc_medres34_bn240106265.gif