[vsnet-alert 7345] Re: V4641 Sgr: eclipse!?

[Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>]

Re: [vsnet-alert 7343] V4641 Sgr: eclipse!?

Dear Gianluca,

> I was just having a look at Berto's run and actually was captured by the
> shape of the feature you point out in your message. Such a deep (around
> 0.5 mag) fading is very different from the other features visible on the
> same curve, having a shorter timescale. Also, at the bottom part of the
> eclipse, there is an interesting feature (0.1 mag), which should be
> interesting to investigate.

   The light curve you are referring to is of May 23, not of May 21/22.
(I hope Berto also posts this light curve to the necessary list).

   The fading on May 23 has a much shorter duration, and seems to be
of different nature.

Regards,
Taichi Kato
VSNET Collaboration team

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