{
  "subject": "IPN triangulation of GRB 231205A",
  "submittedHow": "email-legacy",
  "eventId": "GRB 231205A",
  "createdOn": 1701966039855,
  "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, C. Wilson-Hodge,\nand E. Burns on behalf of the Fermi GBM team,\n\nE. Bozzo and C. Ferrigno, on behalf of the INTEGRAL SPI-ACS GRB team,\n\nS.-L. Xiong, Y. Huang, X.-Y. Zhao, and P. Wang\non behalf of the GECAM 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 bright, short-duration GRB 231205A\n(Fermi-GBM detection: The Fermi GBM team, GCN Circ. 35263;\nGECAM-B detection: Tan et al., GCN Circ. 35266;\nETJASMIN localization: Zhang et al., GCN Circ. 35268)\nhas been detected by Fermi-GBM (trigger 723435916), Konus-Wind,\nINTEGRAL (SPI-ACS), GECAM-B (GRD), and Mars-Odyssey (HEND)\nso far, at about  8711 s UT (02:25:11).\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  202.936 (13h 31m 45s) +17.932 (+17d 55' 55\")\n Corners:\n  203.258 (13h 33m 02s) +18.299 (+18d 17' 58\")\n  202.683 (13h 30m 44s) +17.694 (+17d 41' 38\")\n  202.612 (13h 30m 27s) +17.557 (+17d 33' 25\")\n  203.188 (13h 32m 45s) +18.166 (+18d 09' 57\")\n ---------------------------------------------\nThe error box area is 119 sq. arcmin, and its maximum\ndimension is 58 arcmin (the minimum one is 2.4 arcmin).\nThe Sun distance was 62 deg.\n\nThis localization may be improved.\n\nThe IPN localization is consistent with, but reduces the area of,\nthe Fermi-GBM final localization and ETJASMIN localization.\n\nA triangulation map and HEALPix FITS file are posted at\nhttp://www.ioffe.ru/LEA/GRBs/GRB231205_T08710/IPN\n\nThe Konus-Wind time history and spectrum will be given\nin a forthcoming GCN Circular.\n\n",
  "circularId": 35304,
  "submitter": "Dmitry Svinkin at Ioffe Institute <svinkin@mail.ioffe.ru>",
  "bibcode": "2023GCN.35304....1K"
}