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GCN Circular 27854

Subject
GRB 200529B: Fermi GBM Final Real-time Localization
Date
2020-05-29T12:15:53Z (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 12:05:34 UT on 29 May 2020, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 200529B (trigger 612446739.895772 / 200529504).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 337.2, Dec = 55.2 (J2000 degrees, equivalent to J2000 22h 28m, 55d 12'), with a statistical uncertainty of 3.6 degrees.

The angle from the Fermi LAT boresight is 35.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200529504/quicklook/glg_skymap_all_bn200529504.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/bn200529504/quicklook/glg_healpix_all_bn200529504.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200529504/quicklook/glg_lc_medres34_bn200529504.gif
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