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http://dx.doi.org/10.5303/JKAS.2007.40.2.039

NEBULAR SPECTRUM OF PU VUL IN 2004  

Yoo, Kye-Hwa (Department of Science Education, Ewha Womans University)
Publication Information
Journal of The Korean Astronomical Society / v.40, no.2, 2007 , pp. 39-47 More about this Journal
Abstract
A high resolution spectrum of PU Vul obtained at Bohyunsan Astronomy Observatory on April 9, 2004 is presented. At this phase, PU Vul was an emission-line star and its continuum was very weak. Emission lines of He II, H I, [Ne IV], [N II], [O III], [Ar V ] and [Fe VII] dominated the spectrum of PU Vul. Many of them exhibited hat-top profiles with strong and multi-peaked emissions on flat-tops of their profiles. Radial velocities for these lines were measured. Origins of the spectral lines are discussed in terms of the wind and the photoionization models.
Keywords
symbiotic star: PU Vul; high resolution spectrum : line variations; geometrical structure;
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