Hydrogen-emission-line variations in the spectra of bright Be stars

Details Hydrogen-emission-line variations in the spectra of bright Be stars Hydrogen-emission-line variations in the spectra of bright Be stars

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992kfnt....8...47k&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 8, Jan.-Feb. 1992, p. 47-54. In Russian.

Computer Science

B Stars, Emission Spectra, H Alpha Line, H Beta Line, Spectral Line Width, Stellar Spectra, Absorption Spectra, Nocturnal Variations, Stellar Models

Scientific paper

Results of an analysis of H-alpha and H-beta emission line profiles in the spectra of the Be stars Beta CMi, Gamma Cas, and Phi Per observed between September 1985 and October 1988 are presented. Rapid variations of H-alpha and H-beta emission line intensities were discovered. It is shown that these variations in the spectra of Beta CMi and Gamma Cas are irregular. The following parameters of the emission lines are determined: equivalent widths, maximum intensity, and the intensity ratio of the V/R components.

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