TITLE:   GCN CIRCULAR
NUMBER:  25240
SUBJECT: GRB 190731A: Fermi GBM Final Real-time Localization
DATE:    19/07/31 22:49:31 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 22:38:20 UT on 31 Jul 2019, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 190731A (trigger 586305505.368608 / 190731943).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 342.8, Dec = -73.9 (J2000 degrees, equivalent to J2000 22h 51m, -73d 54'), with a statistical uncertainty of 1.0 degrees.

The angle from the Fermi LAT boresight is 43.0 degrees.

The skymap can be found here:
http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2019/bn190731943/quicklook/glg_skymap_all_bn190731943.png

The HEALPix FITS file, including the estimated localization systematic, can be found here:
http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2019/bn190731943/quicklook/glg_healpix_all_bn190731943.fit

The GBM light curve can be found here:
http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2019/bn190731943/quicklook/glg_lc_medres34_bn190731943.gif