[vsnet-chat 5546] Re: How common is substantial, very fast variability?

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

Re: How common is substantial, very fast variability?

   Regarding V4641 Sgr, please have a look at the following preprint (will
appear as a journal publication next month) by the VSNET Collaboration.

   http://vsnet.kusastro.kyoto-u.ac.jp/pub/vsnet/preprints/V4641_Sgr/

   This letter gives a physical explanation why we can see rapid variations
in the optical(!) from a black-hole binary.  Things are more natural (but
not yet fully understood) in CVs (i.e. white-dwarf binary), an example
with some historical overview:

   http://vsnet.kusastro.kyoto-u.ac.jp/pub/vsnet/preprints/KR_Aur/

Regards,
Taichi Kato

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