{
  "createdOn": 1692211628227,
  "bibcode": "2023GCN.34454....1K",
  "submittedHow": "web",
  "circularId": 34454,
  "eventId": "GRB 230815B",
  "submitter": "Anna Ridnaia at Ioffe Institute <ridnaia@mail.ioffe.ru>",
  "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\nA. Ridnaia, D. Frederiks, D. Svinkin, A. Lysenko,\nand T. Cline on behalf of the Konus-Wind team,\n\nE. Bozzo and C. Ferrigno, on behalf of the INTEGRAL SPI-ACS GRB team,\n\nS. Barthelmy, J. Cummings, H. Krimm, D. Palmer, and A. Tohuvavohu\non 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 230815B\n(AstroSat CZTI detection: Pari et al., GCN 34447;\nGECAM-B and GECAM-C detection: Xiong et al., GCN 34448)\nhas been detected by Konus-Wind, INTEGRAL (SPI-ACS),\nSwift (BAT), AstroSat (CZTI), GECAM-B, GECAM-C,\nand Mars-Odyssey (HEND), so far, at about 58049 s UT (16:07:29).\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  307.334 (20h 29m 20s)  +4.190 ( +4d 11' 24\")\n Corners:\n  307.122 (20h 28m 29s)  +2.976 ( +2d 58' 33\")\n  307.518 (20h 30m 04s)  +5.411 ( +5d 24' 38\")\n  307.571 (20h 30m 17s)  +5.398 ( +5d 23' 53\")\n  307.175 (20h 28m 42s)  +2.963 ( +2d 57' 47\")\n ---------------------------------------------\nThe error box area is 487 sq. arcmin, and its maximum\ndimension is 2.5 deg (the minimum one is 3 arcmin).\nThe Sun distance was 154 deg.\n\nThis localization may be improved.\n\nA triangulation map and HEALPix FITS file are posted at\nhttp://www.ioffe.ru/LEA/GRBs/GRB230815_T58054/IPN\n\nThe Konus-Wind time history and spectrum will be given\nin a forthcoming GCN Circular.",
  "subject": "IPN triangulation of GRB 230815B"
}