[vsnet-grb-info 25608] GRB 200509C: Fermi GBM Final Real-time Localization
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Sun May 10 08:12:20 JST 2020
TITLE: GCN CIRCULAR
NUMBER: 27708
SUBJECT: GRB 200509C: Fermi GBM Final Real-time Localization
DATE: 20/05/09 23:09:10 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 22:59:04 UT on 9 May 2020, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 200509C (trigger 610757949.499186 / 200509958).
The on-ground calculated location, using the Fermi GBM trigger data, is RA = 311.0, Dec = -3.7 (J2000 degrees, equivalent to J2000 20h 44m, -3d 42'), with a statistical uncertainty of 9.3 degrees.
The angle from the Fermi LAT boresight is 108.0 degrees.
The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200509958/quicklook/glg_skymap_all_bn200509958.png
The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200509958/quicklook/glg_healpix_all_bn200509958.fit
The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200509958/quicklook/glg_lc_medres34_bn200509958.gif
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