[vsnet-grb-info 25292] GRB 200317A: Fermi GBM Final Real-time Localization

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Tue Mar 17 09:52:03 JST 2020


TITLE:   GCN CIRCULAR
NUMBER:  27392
SUBJECT: GRB 200317A: Fermi GBM Final Real-time Localization
DATE:    20/03/17 00:50:50 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 00:40:30 UT on 17 Mar 2020, the Fermi Gamma-ray Burst Monitor (GBM) triggered and located GRB 200317A (trigger 606098435.488212 / 200317028).

The on-ground calculated location, using the Fermi GBM trigger data, is RA = 65.5, Dec = -46.3 (J2000 degrees, equivalent to J2000 04h 21m, -46d 17'), with a statistical uncertainty of 2.7 degrees.

The angle from the Fermi LAT boresight is 50.0 degrees.

The skymap can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200317028/quicklook/glg_skymap_all_bn200317028.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/bn200317028/quicklook/glg_healpix_all_bn200317028.fit

The GBM light curve can be found here:
https://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2020/bn200317028/quicklook/glg_lc_medres34_bn200317028.gif



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