GCN Circular 5909
Subject
GRB061201, VLT optical decay: correction
Date
2006-12-12T15:00:46Z (18 years ago)
From
Paolo D'Avanzo at INAF-OAB <paolo.davanzo@brera.inaf.it>
P. D'Avanzo (INAF-OABr & Univ. Insubria) and S. Piranomonte (INAF-OAR)
report on behalf of the MISTICI collaboration:
A careful inspection and re-analysis of our VLT I-band images of the
short GRB061201 (D'Avanzo & Piranomonte, GCN 5896) reveals that in our
second epoch of observations (carried out 1.379 days after the burst) no
object is clearly visible at the position of the optical counterpart
(Holland et al. GCN 5883, Haislip et al. GCN 5895, D'Avanzo et al. GCN
5884) down to I > 23.6 mag (3sigma confidence level).
So, with respect to our first epoch of observation (D'Avanzo et al. GCN
5884) the afterglow clearly faded, but we can only constrain the decay
index to be > 0.8.
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