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[vsnet-chat 6469] Re: flares in Mira stars



Re: flares in Mira stars

> Richard Huziak (HUZ) wrote:
> 
> ..."In the same tone as the mini-spikes for CVs, there is some evidence on
> mini-flares (hour or day-long) on Miras, but there is not enough data or
> follow up here either.
> ..."
> What kind of evidence?
> I think if you wrote this you also must give some sources to this evidences.

    I presume that Richard Huziak referred to the classical paper by
Schaefer, who studied past records of short-lived phenomena in Mira stars
and other objects.  I vaguely remember these was a theoterical paper
that such phenomenon is possible, but I'm not sure.

    We can now study thousands of Mira stars with ASAS-3 public data.
They are CCD-based, and we can directly see archival images (at least
for the older data).  Would someone try to make a better statistic for
the claimed presence of short-lived phenomena in Mira stars?

Regards,
Taichi Kato


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