TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  1538
SUBJECT: Single IPN error box for GRB020904
DATE:    02/09/06 16:31:47 GMT
FROM:    Kevin Hurley at UCBerkeley/SSL  <khurley@sunspot.ssl.berkeley.edu>

K. Hurley and T. Cline, on behalf of the Ulysses, HETE, and Mars Odyssey GRB teams,

E. Mazets and S. Golenetskii, on behalf of the Konus-Wind GRB team,

I. Mitrofanov, D. Anfimov, A. Kozyrev, M. Litvak and A. Sanin,
on behalf of the HEND/Odyssey GRB team,

W. Boynton, C. Fellows, K. Harshman, C. Shinohara and R. Starr,
on behalf of the GRS/Odyssey GRB team, and

G. Ricker, J-L Atteia, N. Kawai, D. Lamb, S. Woosley, J. Doty, R. Vanderspek, 
J. Villasenor, G. Crew, G. Monnelly, N. Butler, J.G. Jernigan, A. Levine, 
F. Martel, E. Morgan, G. Prigozhin, J. Braga, R. Manchanda, G. Pizzichini,
Y. Shirasaki, C. Graziani, M. Matsuoka, T. Tamagawa, K. Torii,
T. Sakamoto, A. Yoshida, E. Fenimore, M. Galassi, T. Tavenner, T. Donaghy,
M. Boer, J-F Olive, and J-P Dezalay, on behalf of the HETE GRB team, report:

The addition of the Konus data to the triangulation of this burst (GCN
1534) indicates that the first error box is the correct one:

    RA(2000)                              DEC(2000)
 ERROR BOX CENTER:   0 h 44 m 28.95 s    -68 o 57 '  38.48 " 
 ERROR BOX CORNER 1:  0 h 35 m 20.77 s    -69 o 33 '  50.43 " 
 ERROR BOX CORNER 2:  0 h 53 m 07.86 s    -68 o 17 '  23.34 " 
 ERROR BOX CORNER 3:  0 h 35 m 06.37 s    -69 o 32 '  58.52 " 
 ERROR BOX CORNER 4:  0 h 53 m 37.28 s    -68 o 18 '  22.10 " 
 ERROR BOX CORNER 5:  0 h 43 m 27.01 s    -69 o 06 '  33.49 "
 ERROR BOX CORNER 6:  0 h 45 m 32.84 s    -68 o 48 '  28.17 "