[vsnet-grb-info 7827] GRB 090515: ROVOR Upper Limit
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Sat May 16 08:34:17 JST 2009
TITLE: GCN CIRCULAR
NUMBER: 9371
SUBJECT: GRB 090515: ROVOR Upper Limit
DATE: 09/05/15 23:34:03 GMT
FROM: J. Ward Moody at BYU <rovor.byu at gmail.com>
Cameron J. Pace, Richard L. Pearson, and J. Ward Moody report for
Brigham Young Universitys ROVOR team:
We report our observations in the field of GRB 090515 (Swift trigger
352108, Beardmore et al., GCN 9356) beginning 37.73 minutes post-burst
at 05:22:53.376 UT.
Using the 0.41m ROVOR telescope in Delta, Utah, we combined 70 x 60
second exposures in the R-band. No detection of an afterglow was
obtained after stacking the images. An upper limit of 21.4 ± 0.1 mag
was found by calibrating the frames using stars in the MRK 501 field.
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