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GCN Circular 27363

Subject
GRB 200311A: Fermi GBM Final Real-time Localization
Date
2020-03-11T15:24:19Z (4 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 LONG GRB

At 15:16:12 UT on 11 Mar 2020, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 200311A (trigger 605632577.928052 / 200311636).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 204.0, Dec = -49.7 (J2000 degrees, equivalent to J2000 13h 35m, -49d 42'), with a statistical uncertainty of 1.0 degrees.

The angle from the Fermi LAT boresight is 122.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200311636/quicklook/glg_skymap_all_bn200311636.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/bn200311636/quicklook/glg_healpix_all_bn200311636.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200311636/quicklook/glg_lc_medres34_bn200311636.gif
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