[vsnet-grb-info 4751] GRB 070610: Swift-UVOT Upper Limits
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Mon Jun 11 09:44:11 JST 2007
TITLE: GCN CIRCULAR
NUMBER: 6493
SUBJECT: GRB 070610: Swift-UVOT Upper Limits
DATE: 07/06/11 00:43:56 GMT
FROM: Wayne Landsman at GSFC/SSAI <landsman at milkyway.gsfc.nasa.gov>
W. Landsman (NASA/GSFC), F.E. Marshall (NASA/GSFC) and C. Pagani (PSU)
report on behalf of the Swift/UVOT team.
UVOT took a finding chart exposure of 61 seconds of the field of GRB
070610 (Pagani et al., GCN 6489) with the White (160-650 nm) filter
starting 3131 seconds after the BAT trigger. The UVOT finding chart
was delayed was due to an Earth limb constraint.
No afterglow candidate has been found within the 8.2" XRT error circle
(Pagani et al., GCN 6490) to a 3 sigma magnitude upper limit of 19.4.
No correction has been made for the expected large extinction at a
Galactic latitude of -1 deg.
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