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[vsnet-campaign-rhocas 12] rho Cas upcoming event?

Date: Thu, 22 May 2003 10:56:46 +0900 (JST)
To: vsnet-campaign-rhocas@ooruri.kusastro.kyoto-u.ac.jp
From: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>
Subject: [vsnet-campaign-rhocas 12] rho Cas upcoming event?
Cc: alobel@cfa.harvard.edu
Delivered-To: vsnet-campaign-rhocas-archive@ooruri.kusastro.kyoto-u.ac.jp
Delivered-To: vsnet-campaign-rhocas@ooruri.kusastro.kyoto-u.ac.jp
Sender: owner-vsnet-campaign-rhocas@ooruri.kusastro.kyoto-u.ac.jp

rho Cas upcoming event?

   According to AAVSO alert notice No. 301, the hypergiant rho Cas is
reported to show an activity in hydrogen emission line.  This phenomenon
may lead to another mass-loss episode, which may lead to optical fading.
The most recent spectacular fading event was observed in 2000. [This list
was created upon the alert on this event in VSNET.]  This object has been
reported to be "brighter than usual" in this year.

   The VSNET light curve of the recent rho Cas activity can be found at

   http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/gcvs/CASrho.html

Regards,
Taichi Kato

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