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GCN Circular 3968

Subject
GRB 050911, optical content of Swift/XRT error box
Date
2005-09-12T08:55:58Z (19 years ago)
From
Alberto Castro-Tirado at Inst.de Astro. de Andalucia <ajct@iaa.es>
A. J. Castro-Tirado, A. de Ugarte Postigo, S. Guziy, 
M. Jelinek, J. Gorosabel (IAA-CSIC, Granada, Spain),
P. Tristram (Univ. of Canterbury, New Zealand) and 
Ph. Yock (Univ. of Auckland, New Zealand)

report:

"We have examined the position of the Swift/XRT 
candidate afterglow for GRB 050911 (Page et al. 
GCNC 3967) in our 0.6m telescope (+MOA camera) 
images (Tristram et al. GCNC 3965). In the 7.5"
radius X-ray error box, we find three optical 
sources, which seem to be detected as well in the 
corresponding DSS-2 red-band plates. Coordinates
(J2000) yield:
 
#1 00:54:37.87 -38:51:03.6
#2 00:54:38.10 -38:50:59.7
#3 00:54:38.14 -38:50:56.0

Error= � 0.5"
 
An ID-chart is posted at:
http://www.iaa.es/~deugarte/GRBs/050911/GRB050911.gif
Further observations are in progress."

This message can be quoted."
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