TITLE: GCN CIRCULAR NUMBER: 37629 SUBJECT: GRB 240929A: BALROG localization (Fermi Trigger 749332209 / GRB 240929826) DATE: 24/09/29 20:37:46 GMT FROM: Jochen Greiner at MPE jcgrog@mpe.mpg.de
T. Preis, B. Biltzinger, J. Burgess & J. Greiner (all MPE Garching) report:
The public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger 749332209 at 19:50:04 on 29 Sept. 2024 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 is: RA(2000.0) = 359.0 deg Decl.(2000.0) = 75.4 deg The 1 sigma statistical error radius is 2.5 deg. We estimate an additional systematic error of 1 deg.
Further details are available at: https://grb.mpe.mpg.de/grb/GRB240929826/
The Healpix map can be downloaded from: https://grb.mpe.mpg.de/grb/GRB240929826/healpix
The location parameters are available as JSON at: https://grb.mpe.mpg.de/grb/GRB240929826/json
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