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GCN Circular 27689

Subject
GRB 200505A: Fermi GBM Final Real-time Localization
Date
2020-05-06T00:00:57Z (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 23:50:44 UT on 5 May 2020, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 200505A (trigger 610415449.084498 / 200505994).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 81.1, Dec = -49.0 (J2000 degrees, equivalent to J2000 05h 24m, -49d 00'), with a statistical uncertainty of 3.5 degrees.

The angle from the Fermi LAT boresight is 17.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200505994/quicklook/glg_skymap_all_bn200505994.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/bn200505994/quicklook/glg_healpix_all_bn200505994.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200505994/quicklook/glg_lc_medres34_bn200505994.gif
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