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GCN Circular 4773

Subject

Swift UVOT observations of GRB060213

Date

2006-02-17T21:59:50Z (19 years ago)

From

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

M. De Pasquale (MSSL-UCL), D. Morris (PSU) and P. Roming (PSU)
on the behalf of the Swift UVOT/team:

  The Swift/UVOT began taking data on the field of GRB 060213
at 13:35:41 UT on 2006-02-15, 48.41 hours after the GRB
(Pal'shin et al. GCN 4762Loading...
 
 ).

The UVOT field does not cover the whole IPN error box, but it
encompasses the field of the uncatalogued source detected
by the XRT (Morris et al. GCN 4770Loading...
 
 ). No optical afterglow
candidate is detected in the summed images of each of the
UVOT filters down to the following 3-sigma magnitude
upper limits:

Filter     T_range (sec)    Exp(sec)           3 sigma u.l.

  V        180203 - 187038     1020                 20.1

  B        185073 - 185982     849                  21

  UW1      175186 - 176088     878                  20.4

  UM2      174272 - 180401    1620                  20.7

  UW2      179290 - 186897    1705                  21.1

The quoted values have not been corrected for Galactic extinction.