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GCN Circular 28361

Subject
GRB 200903C: Fermi GBM Final Real-time Localization
Date
2020-09-03T21:49:19Z (3 years ago)
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 SHORT GRB

At 21:38:58 UT on 3 Sep 2020, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 200903C (trigger 620861943.576056 / 200903902).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 9.8, Dec = -2.9 (J2000 degrees, equivalent to J2000 00h 39m, -2d 53'), with a statistical uncertainty of 14.6 degrees.

The angle from the Fermi LAT boresight is 85.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200903902/quicklook/glg_skymap_all_bn200903902.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/bn200903902/quicklook/glg_healpix_all_bn200903902.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200903902/quicklook/glg_lc_medres34_bn200903902.gif
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