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[vsnet-chat 6495] Re: 93 comp star for RS Oph
- Date: Sat, 31 May 2003 19:38:19 -0700 (MST)
- To: tkato@kusastro.kyoto-u.ac.jp
- From: Brian Skiff <Brian.Skiff@lowell.edu>
- Subject: [vsnet-chat 6495] Re: 93 comp star for RS Oph
- Cc: vsnet-chat@kusastro.kyoto-u.ac.jp
- Delivered-To: vsnet-chat-archive@ooruri.kusastro.kyoto-u.ac.jp
- Delivered-To: vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp
- Delivered-To: vsnet-chat@kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp
>> Is this K0 star a dwarf or a giant?
The UBV colors (B-V=1.27, U-B=0.88) indicate this must be
reddened, which implies it must a giant. The star is also an
IRAS faint-source 12-microm object, again implying giant.
Houk gives the spectral type as G8(V), the luminosity class
uncertain (probably a little faint on her plates).
\Brian
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