[vsnet-grb-info 13782] Refined IPN Triangulation of GRB 130812B

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  15096
SUBJECT: Refined IPN Triangulation of GRB 130812B
DATE:    13/08/14 18:16:03 GMT
FROM:    Valentin Pal'shin at Ioffe Inst  <val at mail.ioffe.ru>

K. Hurley, I. G. Mitrofanov, D. Golovin, M. L. Litvak, and A. B. Sanin,
on behalf of the HEND-Odyssey GRB team,

S. Golenetskii, R. Aptekar, V. Pal'shin, D. Frederiks,
D. Svinkin, and T. Cline, on behalf of the Konus-Wind team,

J. Goldsten, on behalf of the MESSENGER NS GRB team,

K. Yamaoka, M. Ohno, Y. Hanabata, Y. Fukazawa, T. Takahashi, M. Tashiro,
Y. Terada, T. Murakami, and K. Makishima, on behalf of the Suzaku WAM
team, and

S. Barthelmy, J. Cummings, N. Gehrels, H. Krimm, and D. Palmer, on
behalf of the Swift-BAT team, report:

GRB 130812B (Hurley et al., GCN 15094; Golenetskii et al., GCN 15095) 
was also observed by Odyssey. Using Odyssey data reduces the size of the 
previous error box by about a factor of eight:
  ---------------------------------------------
   RA(2000), deg                 Dec(2000), deg
  ---------------------------------------------
  Center:
     7.405 (00h 29m 37s) -79.178 (-79d 10' 39")
  Corners:
     8.180 (00h 32m 43s) -78.635 (-78d 38' 07")
     7.610 (00h 30m 26s) -79.359 (-79d 21' 32")
     6.536 (00h 26m 09s) -79.717 (-79d 43' 02")
     7.206 (00h 28m 49s) -78.996 (-78d 59' 47")
  ---------------------------------------------
The area of this box is  349 sq. arcmin, and its maximum
dimension is 1.1 deg (the minimum one is 8 arcmin).

A new map has been posted at
http://www.ioffe.ru/LEA/GRBs/GRB130812_T39316/IPN/

Some improvement in this error box is possible.