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[vsnet-chat 6135] R CrB: how deep was the deepest minimum?
- Date: Tue, 11 Mar 2003 19:22:08 +0900 (JST)
- To: vsnet-campaign-rcb@ooruri.kusastro.kyoto-u.ac.jp,vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp,vsnet-rcb@ooruri.kusastro.kyoto-u.ac.jp
- From: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
- Subject: [vsnet-chat 6135] R CrB: how deep was the deepest minimum?
- Delivered-To: vsnet-chat-archive@ooruri.kusastro.kyoto-u.ac.jp
- Delivered-To: vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-chat@ooruri.kusastro.kyoto-u.ac.jp
R CrB: how deep was the deepest minimum?
According to the GCVS, the minimum magnitude of R CrB is given as 14.8v
(possibly a visual magnitude). The star doesn't seem to have reach far
fainter than V=14.0 recently. Could there have been a real such a deep
minimum in the past, or could it have been a systemtic difference between
the old and new comparison stars?
Regards,
Taichi Kato
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