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[vsnet-chat 3713] Re: re vsnet-alert 5312 (delta Vel)



Re: [vsnet-chat 3707] re vsnet-alert 5312 (delta Vel)

> To the best of my knowledge "AZh" is one of the major Russian Astronomic
> periodicals... ...and I must admit I did find it a bit strange for a new
> variable to be noted in a Russian journal in 1995 and yet fail to appear in
> either the recent NSV supplement or either of Namelists 72, 73 or 75 ;^)

   That could have been, since much part of AZh is occupied by theoretical
papers.  One could have easily missed a tiny discovery report among them.

> Note to eclipsing binary people : IF it turns out to be star A that is
> eclipsing, and given that star a orbits A in say 40 to 70 years, what are
> the chances, and more importantly timescale, of the "third body" affect via
> apsidal motion causing star A's orientation to go in and out of suitability
> for eclipses to occur?  In other words, if this star has not been detected
> as an eclipser in the past, is it at all possible that is is simply because
> it has only started being so over the past few years, after a long period
> of not doing so, due to apsidal motion... ...if you follow?!?!

   In the similar context, could the second or third body have already
dissipated the presumed protoplanetary disk??

Regards,
Taichi Kato

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