{
  "bibcode": "2022GCN.32118....1K",
  "body": "A.S. Kozyrev, D.V. Golovin, M.L. Litvak, I.G. Mitrofanov, and A.B. Sanin\non behalf of the HEND/Mars-Odyssey team,\n\nD. Svinkin, D. Frederiks, A. Ridnaia, A. Lysenko,\nand T. Cline on behalf of the Konus-Wind team,\n\nA. Goldstein, M. S. Briggs, and C. Wilson-Hodge\non behalf of the Fermi GBM team,\n\nand\n\nW. Boynton, C. Fellows, K. Harshman, H. Enos, R. Starr,\nand A.S. Gardner on on behalf of the GRS-Odyssey GRB team,\nreport:\n\nThe long-duration GRB 220525A\n(Fermi GBM detection: Fermi GBM Team, GCN Circ 32112;\nBALROG localization: Kunzweiler et al., GCN Circ 32113)\nhas been detected by Fermi (GBM trigger 675130259), CALET (CGBM),\nKonus-Wind, and Mars-Odyssey (HEND), so far,\nat about 654 s UT (00:10:54).\n\nWe have triangulated it to a preliminary, 3 sigma error box\nwhose coordinates are:\n  ---------------------------------------------\n   RA(2000), deg                 Dec(2000), deg\n  ---------------------------------------------\n  Center:\n    13.365 (00h 53m 28s) +16.396 (+16d 23' 46\")\n  Corners:\n    17.561 (01h 10m 15s) +12.813 (+12d 48' 48\")\n     9.561 (00h 38m 15s) +18.778 (+18d 46' 42\")\n     9.753 (00h 39m 01s) +18.232 (+18d 13' 54\")\n    18.017 (01h 12m 04s) +11.551 (+11d 33' 04\")\n  ---------------------------------------------\nThe error box area is 4.2 sq. deg, and its maximum\ndimension is 10.9 deg (the minimum one is 25 arcmin).\nThe Sun distance was 43 deg.\n\nThis box may be improved.\n\nThe IPN localization is consistent with, but reduces the area of, the\nFermi GBM Final Real-time position (GCN Circ. 32112) and BALROG\n(GCN 32113) localizations.\n\nA triangulation map and HEALPix FITS file are posted at\nhttp://www.ioffe.ru/LEA/GRBs/GRB220525_T00654/IPN/\n\nThe Konus-Wind time history and spectrum will be given in a forthcoming\nGCN Circular.",
  "circularId": 32118,
  "createdOn": 1653515331000,
  "email": "svinkin@mail.ioffe.ru",
  "subject": "IPN triangulation of GRB 220525A",
  "submitter": "Dmitry Svinkin at Ioffe Institute  <svinkin@mail.ioffe.ru>",
  "eventId": "GRB 220525A"
}