{
  "submittedHow": "web",
  "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. Lysenko, A. Ridnaia,\nand T. Cline on behalf of the Konus-Wind team,\n\nA. Goldstein, M. S. Briggs, C. Wilson-Hodge,\nand E. Burns on behalf of the Fermi-GBM team,\n\nS. Barthelmy, J. Cummings, H. Krimm, D. Palmer, A. Tohuvavohu,\nand J. DeLaunay on behalf of the Swift-BAT 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 260212A\n(Ferm-GBM detection: The Fermi GBM team, GCN 43716;\nNeights and Meegan GCN 43740;\nGlowbug detection: Cheung et al., GCN 43719;\nSVOM-GRM detection: Zhang et al., GCN 43727;\nGECAM-B detection: Zhang et al., GCN 43736;\nAstroSat-CZTI detection: Salunke et al., GCN 43741)\nwas detected by Fermi (GBM trigger 792611353), Swift (BAT),\nKonus-Wind, Glowbug, SVOM (GRM), GECAM-B, Astrosat (CZTI),\nand Mars-Odyssey (HEND) at about 64148 s UT (17:49:08)\nThe burst was outside the coded field of view of the BAT.\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  224.837 (14h 59m 21s) +74.800 (+74d 47' 59\")\n Corners:\n  225.022 (15h 00m 05s) +76.212 (+76d 12' 45\")\n  224.790 (14h 59m 09s) +73.505 (+73d 30' 18\")\n  224.644 (14h 58m 35s) +73.384 (+73d 23' 04\")\n  224.855 (14h 59m 25s) +76.092 (+76d 05' 30\")\n ---------------------------------------------\nThe error box area is 372 sq. arcmin, and its maximum\ndimension is 2.830 deg (the minimum one is 2.3 arcmin).\nThe Sun distance was 106 deg.\n\nThis localization may be improved.\n\nA triangulation map and HEALPix FITS file are posted at\nhttp://www.ioffe.ru/LEA/GRBs/GRB260212_T64149/IPN/\nThe HEALPix triangulation map is the multi-order HEALPix in units of\nprobability density.\n\nThe Konus-Wind time history and spectrum will be given\nin a forthcoming GCN circular. ",
  "bibcode": "2026GCN.43769....1K",
  "format": "text/plain",
  "circularId": 43769,
  "eventId": "GRB 260212A",
  "subject": "IPN triangulation of GRB 260212A",
  "submitter": "Dmitry Svinkin at Ioffe Institute <svinkin@mail.ioffe.ru>",
  "createdOn": 1771330247536
}