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GCN Circular 10196

GRB 091127: NOT observations
2009-11-28T03:09:15Z (15 years ago)
Dong Xu at DARK,NBI <>
D. Xu (WIS,DARK/NBI), D. Malesani, J. Hjorth (DARK/NBI), A.A. Djupvik, 
J. Datson (NOT), P. Jakobsson (Univ. of Iceland), A. Carmona, C. 
Baldovin-Saavedra (ISDC & Geneva Observatory) report on behalf of a 
larger collaboration:

We observed the field of GRB091127 (Troja et al., GCN 10191) with the 
Nordic Optical Telescope equipped with StanCam and NOTCam, starting at 
00:36:03 UT on Nov. 28th, 70.3 mins after the burst.

Preliminary data analysis confirms the bright optical afterglow (Smith 
et al., GCN 10192; Immler et al., GCN 10193) and shows

R~16.3  at 00:38 UT
I~16.2   at  01:09 UT
R~16.5  at 01:15 UT
J~15.9   at  01:43 UT
H~15.4  at 01:34 UT
K~14.8  at 01:26 UT.

The R-band afterglow light curve is decaying slowly during our 
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