TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  291
SUBJECT: New IPN/RXTE error box for GRB990506
DATE:    99/05/06 20:47:37 GMT
FROM:    Kevin Hurley at UCBerkeley/SSL  <khurley@sunspot.ssl.berkeley.edu>

K. Hurley, on behalf of the Ulysses GRB team, and S. Barthelmy, on behalf
of the GCN team, report:

The IPN annulus reported in GCN #290 intersects the most recent RXTE/PCA
source position sent out at 20:29:37, to form an ~50 square arcminute error
box whose corners are:

    RA(2000)             Dec(2000)
11 h 54 m 37.79 s     -26 o 51 ' 20 "
11 h 55 m  0.33 s     -26 o 40 ' 35 "
11 h 54 m 22.47 s     -26 o 48 ' 39 "
11 h 54 m 41.30 s     -26 o 39 ' 41 "

A new image has been posted at http://ssl.berkeley.edu/ipn3/990506.