{
  "circularId": 44175,
  "submittedHow": "email",
  "body": "T. Preis (University of Innsbruck) & J. Greiner (MPE Garching) report:\n\nThe public trigdat data of the Fermi Gamma-ray Burst Monitor (GBM) trigger\n796733611 at 10:53:26 on 01 April 2026 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 is:\nRA(2000.0) = 220.7 deg\nDecl.(2000.0) = -16.9 deg\nThe 1 sigma statistical error radius is 1.3 deg.\nWe estimate an additional systematic error of 1 deg.\n\nFurther details are available at:\nhttps://grb.mpe.mpg.de/grb/GRB260401454/\n\nThe Healpix map can be downloaded from:\nhttps://grb.mpe.mpg.de/grb/GRB260401454/healpix\n\nThe location parameters are available as JSON at:\nhttps://grb.mpe.mpg.de/grb/GRB260401454/json\n\n                        \n",
  "bibcode": "2026GCN.44175....1P",
  "eventId": "GRB 260401A",
  "subject": "GRB 260401A: BALROG localization (Fermi Trigger 796733611 / GRB 260401454)",
  "createdOn": 1775045464782,
  "submitter": "Jochen Greiner at MPE <jcgrog@mpe.mpg.de>"
}