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Spectral features of the symbiotic variable star CH Cygni in 2005 - 2006

Title
Spectral features of the symbiotic variable star CH Cygni in 2005 - 2006
Authors
Yoo K.H.Yoon T.S.
Ewha Authors
유계화
SCOPUS Author ID
유계화scopus
Issue Date
2009
Journal Title
Journal of the Korean Astronomical Society
ISSN
1225-4614JCR Link
Citation
vol. 42, no. 4, pp. 93 - 103
Indexed
SCIE; SCOPUS; KCI WOS scopus
Abstract
This article reports the spectral behavior of CH Cygni, using data obtained in October 2005 and June 2006. In these epochs, CH Cygni showed emission lines of H I, Fe II, [Fe II], [O III], [N II], [Ne III] and [S II]. Many of these lines were more enhanced since 2004. The underlying M-type spectrum was removed to get the intrinsic emission profile, and the resulting profiles were deconvoluted into several Gaussian components. Also, the radial velocities for all the lines that appeared in these spectra of CH Cygni were measured. The resultant lines were compared with each other and with those obtained in 2004; the findings are explained in terms of an accretion disk and jets. © 2009 The Korean Astronomical Society.
DOI
10.5303/JKAS.2009.42.4.093
Appears in Collections:
사범대학 > 과학교육과 > Journal papers
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