TITLE: GCN CIRCULAR NUMBER: 16801 SUBJECT: IPN Triangulation of GRB 140906C (short/hard) DATE: 14/09/08 21:17:16 GMT FROM: Valentin Pal'shin at Ioffe Inst S. Golenetskii, R. Aptekar, E. Mazets, V. Pal'shin, D. Frederiks, D. Svinkin, and T. Cline on behalf of the Konus-Wind team, S. Barthelmy, J. Cummings, N. Gehrels, H. Krimm, and D. Palmer, on behalf of the Swift-BAT team, K. Hurley and J. Goldsten, on behalf of the MESSENGER NS GRB team, A. von Kienlin, X. Zhang, A. Rau, V. Savchenko, E. Bozzo, and C. Ferrigno, on behalf of the INTEGRAL SPI-ACS GRB team, and G. Di Cocco, F. Fuschino, M. Galli, C. Labanti, and M. Marisaldi, on behalf of the AGILE MCAL team, report: The short-duration, hard spectrum, intense GRB 140906C has been observed by Konus-Wind, INTEGRAL (SPI-ACS), Swift (BAT), AGILE (MCAL), and MESSENGER (GRNS), so far, at about 85869 s UT (23:51:09). The burst was outside the coded field of view of the BAT. We have triangulated it to a preliminary, 3 sigma error box whose coordinates are: --------------------------------------------- RA(2000), deg Dec(2000), deg --------------------------------------------- Center: 314.964 (20h 59m 51s) +2.354 ( +2d 21' 14") Corners: 315.062 (21h 00m 15s) +0.809 ( +0d 48' 31") 314.873 (20h 59m 30s) +0.650 ( +0d 39' 00") 314.902 (20h 59m 36s) +3.944 ( +3d 56' 39") 315.099 (21h 00m 24s) +4.119 ( +4d 07' 07") --------------------------------------------- The error box area is 2273 sq. arcmin, and its maximum dimension is 4.6 deg (the minimum one is 12 arcmin). The Sun distance was 148 deg. This box can be improved. The time history and spectrum will be given in a forthcoming GCN Circular.