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[vsnet-chat 6377] Re: [vsnet-id 814] Re: ASAS 030439-8114.0 is not a DCEP star.
- Date: Mon, 19 May 2003 00:39:34 -0300
- To: "Brian Skiff" <Brian.Skiff@lowell.edu>
- From: "Sebastian Otero" <varsao@fullzero.com.ar>
- Subject: [vsnet-chat 6377] Re: [vsnet-id 814] Re: ASAS 030439-8114.0 is not a DCEP star.
- Cc: <vsnet-id@kusastro.kyoto-u.ac.jp>,<vsnet-chat@kusastro.kyoto-u.ac.jp>,"surastronomico" <surastronomico@fullzero.com.ar>,"paula Pietranera" <ppietranera@hotmail.com>,"Lelia" <leliafo@yahoo.com.ar>,"Gabriel Giust" <gag@sinectis.com.ar>,"Federico Claus" <nclaus@infovia.com.ar>,"Cecilia" <cecimacros@yahoo.com.ar>, "BED" <enzodb@fullzero.com.ar>,"Astrid Behrens" <astridbeh@arnet.com.ar>,"Wezen 188" <wezen@fibertel.com.ar>,<vsnet-gcvs@ooruri.kusastro.kyoto-u.ac.jp>
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- References: <200305190315.h4J3FriW002975@maple.hill.lowellnet>
- Sender: owner-vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp
> huh-uh. This star (which is better referred to as CPD-81 72),
> has very small proper motion, and is a 12-micron IRAS source.
> This almost certainly means it is not a dwarf, but instead an evolved
> giant star. The 18-day period is quite unlikely for a very-late-type
> dwarf (0.5 to 3 days at the longest is typical) that is active (i.e.
young).
> Something else going on here!
At a B-V of 1.9 the M spectral type seems to be a sure thing at such
latitudes.... So it doesn't seem to be the possibility of a highly reddened
cepheid.
It might be an SR star after all... or something else?
Regards,
Sebastian.
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