[vsnet-grb-info 10942] GRB110918A: BOOTES-1 optical limit
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Tue Sep 20 20:10:54 JST 2011
TITLE: GCN CIRCULAR
NUMBER: 12361
SUBJECT: GRB110918A: BOOTES-1 optical limit
DATE: 11/09/20 11:10:50 GMT
FROM: Martin Jelinek at Inst.Astrophys.Andalucia,Granada <mates at iaa.es>
M. Jelinek and A. J. Castro-Tirado (IAA-CSIC, Granada), on behalf of a
larger collaboration, report:
"We observed the error box of the extraordinarily intense GRB110918A
detected by the IPN (Hurley et al. GCNC 12357) with the 0.3m BOOTES-1
robotic telescope in southern Spain. A 270x20s unfiltered coadded
exposure taken under non-optimal conditions (low position in the sky,
moonlight and fog) reached a limiting magnitude of ~17.0 at an
exposure mean time of Sep 20, 1.09 UT (i.e. 27.65 hr after the onset
of the high-energy emission). No new object is present within the
entire IPN error box when compared to the DSS. Deeper optical/nIR
observations are encouraged."
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