[vsnet-grb-info 28532] GRB 210812B: Fermi GBM Final Real-time Localization
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Aug 13 03:23:25 JST 2021
TITLE: GCN CIRCULAR
NUMBER: 30635
SUBJECT: GRB 210812B: Fermi GBM Final Real-time Localization
DATE: 21/08/12 18:21:09 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 00:15:51 UT on 12 Aug 2021, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 210812B (trigger 650420156.733782 / 210812011).
The on-ground calculated location, using the Fermi GBM trigger data, is RA = 183.7, Dec = 2.4 (J2000 degrees, equivalent to J2000 12h 14m, 2d 23'), with a statistical uncertainty of 6.3 degrees.
The angle from the Fermi LAT boresight is 29.0 degrees.
The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210812011/quicklook/glg_skymap_all_bn210812011.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/bn210812011/quicklook/glg_healpix_all_bn210812011.fit
The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210812011/quicklook/glg_lc_medres34_bn210812011.gif
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