The stellar wind enigma in early type stars: The high-velocity, narrow absorption lines in the UV

Details The stellar wind enigma in early type stars: The high-velocity, narrow absorption lines in the UV The stellar wind enigma in early type stars: The high-velocity, narrow absorption lines in the UV

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.218...43h&link_type=abstract

In ESA Fourth European IUE Conf. p 43-54 (SEE N84-35135 24-88)

Computer Science

46

Early Stars, Stellar Winds, Ultraviolet Absorption, Hertzsprung-Russell Diagram, Stellar Mass Ejection, Stellar Oscillations, Stellar Spectra, Ultraviolet Spectra, Ultraviolet Spectroscopy

Scientific paper

Narrow, high-velocity absorption components in UV spectra of early-type stars are discussed. The distribution of stars showing this phenomenon is presented in an HR diagram. More than 50% of luminous stars with Mbol - 7.5 show narrow absorptions. Their occurrence in less luminous stars is found to be strongly connected with the Be phenomenon. The observed time variability of the narrow lines is reviewed, especially the memories found in stars. Models to explain the narrow absorptions are considered.

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