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Tuesday 9 August 2011

LEONID ELENIN UPDATE NEWS



Document Uncovered

TITLE: GCN CIRCULAR
NUMBER: 11133
SUBJECT: GRB 100814A: ISON-NM optical observations
DATE: 10/08/22 07:30:05 GMT
FROM: Leonid Elenin at ISON

L. Elenin, I. Molotov (ISON), A. Volnova (SAI MSU), A. Pozanenko (IKI)
report on behalf of larger
GRB follow-up collaboration:

We continue observation of the Swift GRB 100814A (Beardmore et al. GCN
11087) with 0.45-m telescope of ISON-NM observatory on Aug. 20 (UT)
08:42:06 - 09:33:14 and Aug. 21 (UT) 09:45:22 - 11:04:41.

The afterglow (Schaefer et al. GCN 11086; Beardmore et al. GCN 11087) is
well detected on stacked images for both epochs. Preliminary photometry of
unfiltered image against USNO-B1.0 star 0720-0016107, assuming R=19.73 is
following:


T-T0, filter, exposure, OT
(day)

6.2205 W 300x10 21.66 +/- 0.23
7.2734 W 300x15 22.50 +/- 0.30

The photometry errors are statistical only.


The images of GRB100814A is available at:
 http://spaceobs.org/images/GRB1000814A-3epoch.jpg
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