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[vsnet-chat 6336] Re: AI CMi very bright
- Date: Wed, 14 May 2003 21:49:36 -0700 (MST)
- To: varsao@fullzero.com.ar
- From: Brian Skiff <Brian.Skiff@lowell.edu>
- Subject: [vsnet-chat 6336] Re: AI CMi very bright
- 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
>> AI CMi in a **very** bright maximum: It was at V= 7.86 on May 10.
I note that the GCVS v4.1 shows photo-blue maximum of 8.8, and given
that the star has B-V ~1.5, and thus maximum of V ~7.3, it seems as though
it would have to be above V=7.0 (at least) to be considered out of range.
Also, the TASS MkIII photometry shows mean V=8.23 with rms scatter of 0.26,
so it's not even 1-sigma above the mean of the MkIII data.
This looks something like an RV Tauri star to me.
\Brian
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