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GCN Circular 4852

Subject

Swift/UVOT observations of GRB060306

Date

2006-03-06T18:47:46Z (18 years ago)

From

Massimiliano de Pasquale at MSSL-UCL <mdp@mssl.ucl.ac.uk>

M. De Pasquale (MSSL-UCL), L. Angelini (GSFC) on the behalf of the 
Swift/UVOT team:

  The Swift/UVOT began observing the field of GRB 060306 at 00:50:32 UT on 
March 6, 2006, 79 sec after the trigger (Angelini et al. GCN 4848Not found
 
 
). No 
source is detected at the refined XRT position (Page et al. GCN 4850Not found
 
 
) down 
to the following 3 sigma upper limits:

  Filter    T-range (sec since trigger)    Exp (sec)     3sigma U.L. (mag)

   V             79-34440                  2918            20.1

   B             460-29558                 2708            20.7

   U             405-28651                 2701            20.1

   UW1           351-36040                 2173            20.6

   UM2           297-12199                 2800            20.9

   UW2           569-7040                  2040            21.0

  White          513-562                     50            19.3


  Quoted magnitudes have not been corrected for extinction, E(B-V)=0.036