{
  "bibcode": "2020GCN.29083....1B",
  "body": "B. Biltzinger, F. Kunzweiler, F. Berlato, J. Burgess & J. Greiner (all MPE Garching) report:\n\nThe public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger\n629957660 at 04:14:15 on 18 Dec. 2020 were automatically fitted for spectrum\nand sky location with BALROG (Burgess et al. 2018, MNRAS 476, 1427;\nBerlato et al. 2019, ApJ 873, 60).\n\nThe best-fit position (1 sigma statistical errors) is:\nRA(2000.0) = 287.38+/-0.29 deg\nDecl.(2000.0) = 26.80+/-0.30 deg\nWe estimate an additional systematic error of 1 deg.\n\nFurther details are available at:\nhttps://grb.mpe.mpg.de/grb/GRB201218177/\n\nThe Healpix map can be downloaded from:\nhttps://grb.mpe.mpg.de/grb/GRB201218177/healpix\n\nThe location parameters are available as JSON at:\nhttps://grb.mpe.mpg.de/grb/GRB201218177/json",
  "circularId": 29083,
  "createdOn": 1608266629000,
  "email": "jcg@mpe.mpg.de",
  "subject": "GRB 201218A: BALROG localization (Fermi Trigger 629957660 / GRB 201218177)",
  "submitter": "Jochen Greiner at MPE,Garching  <jcg@mpe.mpg.de>",
  "eventId": "GRB 201218A"
}