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GCN Circular 8181

Subject
GRB 080905: R & I-band optical observations
Date
2008-09-05T16:47:34Z (16 years ago)
From
Javier Gorosabel at IAA-CSIC <jgu@iaa.es>
P. Tristram (MOA, Univ. of Canterbury),  A.J. Castro-Tirado
(IAA-CSIC, Granada), P. Yock  (Univ.  of  Auckland), J. Gorosabel
(IAA-CSIC, Granada), A. de Ugarte Postigo (ESO, Santiago), report on
behalf of a larger collaboration:

"Following the detection by Swift of GRB 080905 (Pagani et al. GCNC
8180), we have obtained R & I-band images at the 0.6m telescope of the
Mt. John Observatory, New Zealand. The images were taken starting on
Sep 5.529 UT (i.e. 43 min post-burst).

We do not detect any object brighter than R=20.8 and I=20.3 consistent
with the XRT position. We note the presence of  two extended R~15
(R~15.4) objects 8.5" (10") South (North-East)  (Object A  at
RA(J2000)=19:10:41.51, DEC(J2000)=-18:52:56.2  and Object B at
RA(J2000)=19:10:41.10, DEC(J2000)=-18:52:40.6, respectively) from the
XRT position which  could be hosting the probably-short GRB 080905. A
finding chart can be found at
http://www.sc.eso.org/~adeugart/GRB/080905/080905fc.jpg"
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