Spectral variability of the H-alpha profile of the star VYMon in the MonR1 association

Details Spectral variability of the H-alpha profile of the star VYMon in the MonR1 association Spectral variability of the H-alpha profile of the star VYMon in the MonR1 association

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992azh....69..211p&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 69, no. 1, Jan.-Feb. 1992, p. 211-214. In Russian.

Astronomy and Astrophysics

Astronomy

1

Early Stars, Reflection Nebulae, Stellar Spectra, Stellar Structure, Emission Spectra, H Alpha Line, Stellar Evolution

Scientific paper

Spectral changes were discovered in the spectra of the young star VYMon, obtained with a 2.7-A resolution. The appearance of a P Cyg-type absorption component on the SW side indicates a strong mass loss, about 2 x 10 exp -6 solar mass/yr. The appearance of an emission excess at the same wavelength may be due to anisotropic stellar wind from the young star with a complex circumstellar structure.

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