{
  "subject": "IPN triangulation of GRB 230919A (short)",
  "submittedHow": "web",
  "bibcode": "2023GCN.34752....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\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, 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 short-duration GRB 230919A\n(Fermi-GBM detection: The Fermi GBM team, GCN Circ. 34737;\nScotton et al., GCN Circ. 34750;\nAstroSat CZTI detection: Navaneeth et al., GCN Circ. 34742;\nSwift/BAT-GUANO detection: DeLaunay et al., GCN Circ. 34747)\nhas been detected by Fermi (GBM trigger 716835508), Konus-Wind,\nMars-Odyssey (HEND), Swift (BAT), and AstroSat (CZTI),\nso far, at about 61103 s UT (16:58:23).\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   71.620 (04h 46m 29s) +44.076 (+44d 04' 35\")\n Corners:\n   70.812 (04h 43m 15s) +45.562 (+45d 33' 43\")\n   70.802 (04h 43m 12s) +45.703 (+45d 42' 10\")\n   72.402 (04h 49m 37s) +42.484 (+42d 29' 04\")\n   72.411 (04h 49m 39s) +42.324 (+42d 19' 28\")\n ---------------------------------------------\nThe error box area is 543 sq. arcmin, and its maximum\ndimension is 3.6 deg (the minimum one is 3 arcmin).\nThe Sun distance was 100 deg.\n\nThe IPN localization is consistent with, but reduces the area of,\nthe Fermi-GBM final localization (GCN Circ. 34737).\n\nThis localization may be improved.\n\nA triangulation map and HEALPix FITS file are posted at\nhttp://www.ioffe.ru/LEA/GRBs/GRB230919_T61103/IPN/\n\nThe Konus-Wind time history and spectrum will be given\nin a forthcoming GCN Circular.",
  "circularId": 34752,
  "submitter": "Anna Ridnaia at Ioffe Institute <ridnaia@mail.ioffe.ru>",
  "eventId": "GRB 230919A",
  "createdOn": 1695246364306
}