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GCN Circular 30131

Subject
GRB 210606A: Fermi GBM Final Real-time Localization
Date
2021-06-06T04:06:18Z (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 LONG GRB

At 03:56:02 UT on 6 Jun 2021, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 210606A (trigger 644644567.122922 / 210606164).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 177.6, Dec = -0.5 (J2000 degrees, equivalent to J2000 11h 50m, 0d 30'), with a statistical uncertainty of 11.4 degrees.

The angle from the Fermi LAT boresight is 110.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210606164/quicklook/glg_skymap_all_bn210606164.png

The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210606164/quicklook/glg_healpix_all_bn210606164.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210606164/quicklook/glg_lc_medres34_bn210606164.gif
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