[vsnet-grb-info 4354] GRB 070224: MASTER-VWF-Kislovodsk observations

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  6139
SUBJECT: GRB 070224: MASTER-VWF-Kislovodsk observations
DATE:    07/02/24 21:43:27 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc at observ.inetcomm.ru>

V. Lipunov, V.Kornilov, N.Shatskiy, E.Gorbovskoy, A.Belinski, D.Kuvshinov, 
N.Tyurina, P.Gritsyk
Sternberg Astronomical Institute, Moscow Union 'Optic'

A. Tlatov, I.Golubov
Kislovodsk Solar Station of the Pulkovo observatory

MASTER Very Wide Field Camera located at Kislovodsk Solar Station
(http://observ.pereplet.ru, D=70 mm, 420 square degrees, 11 Mpixel's CCD) has 
moved to the Swift-BAT trigger 261880 and it has taken a series of 5s 
exposures 
starting 2 s after notice arrivel time at  20:29:38.285 UT under good 
weather  condition and waxing moon.

We note that the GBR position (J. L. Racusin et al. GCN Circ No. 6137) was 
at 4 degrees outside of the our field of view.

We note that the VWF camera continuously takes frames during the night.


These unfiltered images are calibrated relative to USNO A2.0 (R).
There is no OT was found inside Swift error box.

T-Tgrb     Mean Time     Limit   Coadd?

29s        29.5s        11.0     no

29s        59 s         12.0     12




The message can be cited.

mailto: lipunov at sai.msu.ru