[vsnet-rcb 84] Re: LO Cep nature? ...etc

["A.E. Rosenbush" <mijush@mao.kiev.ua>]

LO Cep: I observed the spectrum of this star and classed as A0-A5 with 
        the hydrogen lines, i.e obviously non RCB-star. (Astron.Tsirkular, 
        No 991, 1, 1978). 
CT Vul: I and Dr.Platais (Baldone/Riga, Latvia) confirmed the Meinunger' 
        conclusion that it is non RCB-star. We concluded this from 
        our objective prism spectrum with the Balmer lines. 
        (Investigations of the Sun and red stars, No 11, 27, 1980; 
         Riga, Latvia) 

Additional informations of these and others stars you can find 
in the paper of 
Jeffery C.S. et al., in: Hydrogen deficient stars, eds. C.S.Jeffery, 
U.Heber. ASP Conf.Ser., 96, 471, 1996 ; notes to Table 1)


All similar stars are enough faint therefore the question of classification 
as the RCB star always has some difficultness with the photometry and 
the spectroscopy. And often it stoped after the their exclusion   
from the RCB group. For the final classification the great help can 
make long-term observations.

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