[vsnet-grb-info 2416] GRB 051111a: Afterglow fading in Ic

[GCN Circulars]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  4253
SUBJECT: GRB 051111a: Afterglow fading in Ic
DATE:    05/11/11 07:15:17 GMT
FROM:    Ken ichi Torii at RIKEN  <torii at ess.sci.osaka-u.ac.jp>

K. Torii (Osaka U.) reports:

 The error region of GRB 051111a (Sakamoto et al., GCN 4248) was
observed by the 0.3 m telescope in the New Mexico Skies
Observatory. Starting at 06:05:50 UT (382 s after the burst), 120 s
exposures in Ic band was repeated.

 We confirm the presence of the bright afterglow (Rujopakarn et al.,
GCN 4247) and its fading.  Between 06:07 UT and 06:36 UT, the
afterglow faded by about 1.7 mag in Ic band.

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