[vsnet-grb-info 27988] GRB 210528A: BALROG localization (Fermi Trigger 643903431 / GRB 210528586)
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri May 28 23:26:11 JST 2021
TITLE: GCN CIRCULAR
NUMBER: 30091
SUBJECT: GRB 210528A: BALROG localization (Fermi Trigger 643903431 / GRB 210528586)
DATE: 21/05/28 14:24:25 GMT
FROM: Jochen Greiner at MPE,Garching <jcg at mpe.mpg.de>
F. Kunzweiler, B. Biltzinger, F. Berlato, J. Burgess & J. Greiner (all MPE Garching) report:
The public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger
643903431 at 14:03:46 on 28 May 2021 were automatically fitted for spectrum
and sky location with BALROG (Burgess et al. 2018, MNRAS 476, 1427;
Berlato et al. 2019, ApJ 873, 60).
The best-fit position (1 sigma statistical errors) is:
RA(2000.0) = 137.1+/-2.2 deg
Decl.(2000.0) = -14.0+/-2.4 deg
We estimate an additional systematic error of 2 deg.
Further details are available at:
https://grb.mpe.mpg.de/grb/GRB210528586/
The Healpix map can be downloaded from:
https://grb.mpe.mpg.de/grb/GRB210528586/healpix
The location parameters are available as JSON at:
https://grb.mpe.mpg.de/grb/GRB210528586/json
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