[vsnet-grb-info 28537] GRB 210813A: Fermi GBM Final Real-time Localization
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Aug 13 10:06:31 JST 2021
TITLE: GCN CIRCULAR
NUMBER: 30640
SUBJECT: GRB 210813A: Fermi GBM Final Real-time Localization
DATE: 21/08/13 01:05:38 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 LONG GRB
At 00:54:23 UT on 13 Aug 2021, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 210813A (trigger 650508868.674406 / 210813038).
The on-ground calculated location, using the Fermi GBM trigger data, is RA = 15.0, Dec = 8.1 (J2000 degrees, equivalent to J2000 01h 00m, 8d 05'), with a statistical uncertainty of 1.3 degrees.
The angle from the Fermi LAT boresight is 17.0 degrees.
The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210813038/quicklook/glg_skymap_all_bn210813038.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/bn210813038/quicklook/glg_healpix_all_bn210813038.fit
The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210813038/quicklook/glg_lc_medres34_bn210813038.gif
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