[vsnet-grb-info 27279] GRB 210202A: BALROG localization (Fermi Trigger / GRB 210202841)

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Wed Feb 3 06:26:02 JST 2021


TITLE:   GCN CIRCULAR
NUMBER:  29382
SUBJECT: GRB 210202A: BALROG localization (Fermi Trigger  / GRB 210202841)
DATE:    21/02/02 21:25:11 GMT
FROM:    Jochen Greiner at MPE,Garching  <jcg at mpe.mpg.de>

B. Biltzinger, F. Kunzweiler, F. Berlato, J. Burgess & J. Greiner (all MPE Garching) report:

The public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger
 at 20:10:31 on 02 Feb. 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) = 223.5+/-1.5 deg
Decl.(2000.0) = -35.5+/-1.0 deg
We estimate an additional systematic error of 2 deg.

Further details are available at:
https://grb.mpe.mpg.de/grb/GRB210202841/

The Healpix map can be downloaded from:
https://grb.mpe.mpg.de/grb/GRB210202841/healpix

The location parameters are available as JSON at:
https://grb.mpe.mpg.de/grb/GRB210202841/json

                        



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