TITLE:   GCN CIRCULAR
NUMBER:  12307
SUBJECT: IPN triangulation of GRB110825A (very intense, long-duration)
DATE:    11/08/26 17:53:40 GMT
FROM:    Kevin Hurley at UCBerkeley/SSL  <khurley@ssl.berkeley.edu>

K. Hurley, on behalf of the MESSENGER GRB team,

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

W. Boynton, C. Fellows, K. Harshman, H. Enos, and R. Starr, on
behalf of the GRS-Odyssey 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,

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

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

G. Di Cocco, F. Fuschino, M. Galli, C. Labanti, M. Marisaldi, 
on behalf of the AGILE MCAL team, and

V. Connaughton, M. S. Briggs, and C. Meegan, on behalf of the Fermi
GBM team, report

GRB110825A (=Fermi GBM trigger 335932012) was observed by AGILE MCAL
(outside the coded field of view of SuperAGILE), Fermi GBM, MESSENGER
GRNS, Odyssey HEND, Suzaku WAM, and Swift BAT (outside the coded field 
of view).  We have triangulated it to a preliminary, 3 sigma error
box whose area is 252 square arcminutes and whose coordinates are:

           RA                               DEC                         

CENTER:   44.896 o= 2 h 59 m 35.1 s      15.407 o= 15 o 24' 25"
CORNERS:  45.160 o= 3 h 00 m 38.3 s      14.528 o= 14 o 31' 39"          
          44.959 o= 2 h 59 m 50.1 s      15.336 o= 15 o 20' 11"           
          44.834 o= 2 h 59 m 20.1 s      15.478 o= 15 o 28' 42"         
          44.595 o= 2 h 58 m 22.7 s      16.428 o= 16 o 25' 40"

This preliminary error box has been posted at ssl.berkeley.edu/ipn3/110825A;
it can be improved.

A Swift ToO has been carried out, and the results of that observation,
as well as the details of the burst, will be reported in forthcoming
GCN Circulars.