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[vsnet-gcvs 509] NSV 8172 is a large amplitude variable star

Date: Thu, 10 Jul 2003 21:38:50 -0300
To: <vsnet-newvar@ooruri.kusastro.kyoto-u.ac.jp>,<vsnet-gcvs@ooruri.kusastro.kyoto-u.ac.jp>,<vsnet-chat@kusastro.kyoto-u.ac.jp>
From: "Sebastian Otero" <varsao@fullzero.com.ar>
Subject: [vsnet-gcvs 509] NSV 8172 is a large amplitude variable star
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ASAS-3 170634-5742.9 = NSV 8172 = CPD-57 8290 = GSC 08734-02066

The star is classified as a CEP: in the NSV catalogue with a G5 spectrum.
SIMBAD gives G5Iab: as the luminosity class.
This is similar to AI CMi and the lightcurve is AI CMi-like!
ASAS-3 data show it is not a cepheid.

At first instance I thought of an RCB type but it looks more like a
semiregular.
Maybe another protoplanetary object?
If so, this behaviour might be typical for this kind of stars.

Type=  L:
V=  9.74 - 11.52


Regards,
Sebastian.

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