{
  "bibcode": "2022GCN.31895....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\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\nA short-duration, soft GRB 220406A\nwas detected by Konus-Wind, INTEGRAL (SPI-ACS),\nMars-Odyssey (HEND), and Swift (BAT) at about 1661 s UT (00:27:41).\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  324.994 (21h 39m 59s) +64.925 (+64d 55' 31\")\n Corners:\n  330.496 (22h 01m 59s) +64.859 (+64d 51' 31\")\n  319.682 (21h 18m 44s) +64.833 (+64d 49' 59\")\n  319.519 (21h 18m 04s) +64.773 (+64d 46' 21\")\n  330.308 (22h 01m 14s) +64.812 (+64d 48' 43\")\n ---------------------------------------------\nThe error box area is 882 sq. arcmin, and its maximum\ndimension is 4.7 deg (the minimum one is 3 arcmin).\nThe Sun distance was 66 deg.\n\nThis box may be improved.\n\nA triangulation map and HEALPix FITS file are posted at\nhttp://www.ioffe.ru/LEA/GRBs/GRB220406_T01660/IPN\n\nThe time history and spectrum will be given in forthcoming GCN Circulars.",
  "circularId": 31895,
  "createdOn": 1649849159000,
  "email": "ridnaia@mail.ioffe.ru",
  "subject": "IPN triangulation of short/soft GRB 220406A",
  "submitter": "Anna Ridnaia at Ioffe Institute  <ridnaia@mail.ioffe.ru>",
  "eventId": "GRB 220406A"
}