[vsnet-grb-info 27113] GRB 210101A: BALROG localization (Fermi Trigger 631205591 / GRB 210101620)

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Sat Jan 2 02:06:26 JST 2021


TITLE:   GCN CIRCULAR
NUMBER:  29216
SUBJECT: GRB 210101A: BALROG localization (Fermi Trigger 631205591 / GRB 210101620)
DATE:    21/01/01 17:05:32 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
631205591 at 14:53:06 on 01 Jan. 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) = 149.6+/-3.8 deg
Decl.(2000.0) = 53.1+/-2.4 deg
We estimate an additional systematic error of 1 deg.

Further details are available at:
https://grb.mpe.mpg.de/grb/GRB210101620/

The Healpix map can be downloaded from:
https://grb.mpe.mpg.de/grb/GRB210101620/healpix

The location parameters are available as JSON at:
https://grb.mpe.mpg.de/grb/GRB210101620/json

                        



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