Re: V4641 Sgr: short-term violent variation!
Dear Colleagues,
> The variations (mainly received from Kiyota-san,
> Tsukuba, Japan) are composed of short-term variations with time scales
> of a few minutes to an hour. The light curve is characterized by recurrent
> occurences of gradual rise (with violent fluctuations) and a sudden drop.
> The light curve, as a whole, resembles those of violently varying state
> just after the beginning of the 2002 active phase.
The overall variation was 0.7 mag, the largest short-term variation
was 0.2 mag in 1 minute (violently variable down to the shortest sampling
time!).
Regards,
Taichi Kato
VSNET Collaboration team

Return to the Powerful Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp