[vsnet-grb-info 24012] GRB 191031C: Fermi GBM Final Real-time Localization
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Nov 1 06:39:50 JST 2019
TITLE: GCN CIRCULAR
NUMBER: 26111
SUBJECT: GRB 191031C: Fermi GBM Final Real-time Localization
DATE: 19/10/31 21:33:56 GMT
FROM: Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply at GIOC.nsstc.nasa.gov>
The Fermi GBM team reports the detection of a likely SHORT GRB
At 21:23:31 UT on 31 Oct 2019, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 191031C (trigger 594249816.128134 / 191031891).
The on-ground calculated location, using the Fermi GBM trigger data, is RA = 282.8, Dec = 55.0 (J2000 degrees, equivalent to J2000 18h 51m, 55d 00'), with a statistical uncertainty of 2.4 degrees.
The angle from the Fermi LAT boresight is 58.0 degrees.
The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2019/bn191031891/quicklook/glg_skymap_all_bn191031891.png
The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2019/bn191031891/quicklook/glg_healpix_all_bn191031891.fit
The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2019/bn191031891/quicklook/glg_lc_medres34_bn191031891.gif
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