GCN Circular 11184
Subject
GRB 100901A: ISON-NM optical observations
Event
Date
2010-09-02T20:41:25Z (15 years ago)
From
Leonid Elenin at ISON <l.elenin@gmail.com>
L. Elenin, I. Molotov (ISON), A. Pozanenko (IKI) report on behalf of larger
GRB follow-up collaboration:
We observed the field of the Swift GRB 100901A (Immler et al. GCN Circ.
11159)
with 0.45-m telescope of ISON-NM observatory on Sep. 02 (UT) 09:55:53 -
10:22:06.
The afterglow (Immler et al., GCN 11159; Guidorzi et al., GCN 11160; Ivanov
et al., GCN 11161;
Klunko et al., GCN 11162) is well detected. For the preliminary photometry
of unfiltered image
we used USNO-B1.01127-0027229 field stars, assuming R=16.16:
T-T0 filter exposure mag. mag. error
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0.8561 W 20x60 17.82 +/- 0.03
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