GCN Circular 16911
Subject
GRB 141015A: ISON-NM early optical observations
Event
Date
2014-10-15T17:27:15Z (12 years ago)
From
Alexei Pozanenko at IKI, Moscow <apozanen@iki.rssi.ru>
L. Elenin (KIAM), E. Mazaeva (IKI), A. Volnova (IKI), I. Molotov
(KIAM), A. Pozanenko (IKI) report on behalf of larger GRB follow-up
collaboration:
We observed the field of the Swift GRB 141015A (Troja et al., GCN
16909) with 0.4-m telescope of ISON-NM observatory starting on Oct., 15
(UT) 09:16:55, i.e. ~4 minutes after burst triger. We obtained 14
unfiltered images of 120 s exposure. We do not detect any source within
XRT error circle (Troja et al., GCN 16910):
UT start t-T0 Exp. Filter UL (3sigma)
(mid.,days) (s)
09:16:55 0.0068 5*120 Clear 18.4
09:16:55 0.0131 14*120 Clear 19.0
The photometry is based on nearby USNO-B1.0 stars
USNO-B1.0 RA DEC R2
1083-0107546 087,552978 +18,360067 14,78
1083-0107529 087,547650 +18,355839 15,18
1083-0107484 087,534895 +18,341425 15,00
1083-0107360 087,503081 +18,336089 14,71