[vsnet-grb-info 25147] GRB 200228A: Fermi GBM Final Real-time Localization
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Feb 28 16:11:17 JST 2020
TITLE: GCN CIRCULAR
NUMBER: 27247
SUBJECT: GRB 200228A: Fermi GBM Final Real-time Localization
DATE: 20/02/28 07:08:54 GMT
FROM: Fermi GBM Team at MSFC/Fermi-GBM <do_not_reply at GIOC.nsstc.nasa.gov>
The Fermi GBM team reports the detection of a likely LONG GRB
At 06:58:33 UT on 28 Feb 2020, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 200228A (trigger 604565918.806272 / 200228291).
The on-ground calculated location, using the Fermi GBM trigger data, is RA = 328.0, Dec = -46.5 (J2000 degrees, equivalent to J2000 21h 52m, -46d 30'), with a statistical uncertainty of 1.5 degrees.
The angle from the Fermi LAT boresight is 33.0 degrees.
The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200228291/quicklook/glg_skymap_all_bn200228291.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/bn200228291/quicklook/glg_healpix_all_bn200228291.fit
The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200228291/quicklook/glg_lc_medres34_bn200228291.gif
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