[vsnet-chat 3675] re V Boo

[crawl@zoom.co.uk]

[NB according to Trend computers online viruse checker "HouseCall" I'm
virus free... ...don't hesitate to tell me if I'm not!!!]

The contents page to ESA SP-402 "Hipparcos Venice 1997" is at 

http://adsabs.harvard.edu/cgi-bin/nph-abs_connect?bibcode=1997ESASP.402.&db_
key=AST&nr_to_return=500

where the url is all one line.

This was a conference presenting first results to coincide with the release
of the catalogue.

Select any paper and you'll get an abstract, select FULL ARTICLE and you
should get a PDF version of that article to download.

For multi-periodic LPVs you want the paper 

Classification of Red Variables by Mattei, Foster, Hurwitz, Malatesta,
Wilson, Mennessier

which is  1997ESASP.402..269M, ie page 269 of the book,

and you'll find table 2 on page 274 with their values for V Boo.

This table is not entirely without error in my personal view [eg UX Dra
long period may actually be an annual beat "pseudo"-alias], and some values
differ by a couple of days from independent assessments of doubly periodic
stars by Szatmary & Kiss et al.


[Incidentally, don't take their ideas as the rigid law.  This area of LPV
research is very fluid at the moment, and people are casting about trying
to find means of lumping LPVs into classes, mostly cos the SR and Mira
distinction isn't useful, but also to help confirm some theoretical ideas.
No "lumping" scheme has appeared as yet that doesn't contain contradictions].


The above noted pdf file's quality is a bit naff, unfortunately, and
ESA-SP402 is relatively inexpensive... ...however it weights a lot!

Cheers

John

JG, UK

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