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GCN Circular 32229

Subject
GRB 220620A: Fermi GBM Final Real-time Localization
Date
2022-06-20T01:43:22Z (2 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 01:32:06 UT on 20 Jun 2022, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 220620A (trigger 677381531.21551 / 220620064).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 109.4, Dec = 66.9 (J2000 degrees, equivalent to J2000 07h 17m, 66d 54'), with a statistical uncertainty of 2.6 degrees.

The angle from the Fermi LAT boresight is 133.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn220620064/quicklook/glg_skymap_all_bn220620064.png

The HEALPix FITS file, including the estimated localization systematic, can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn220620064/quicklook/glg_healpix_all_bn220620064.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2022/bn220620064/quicklook/glg_lc_medres34_bn220620064.gif
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