Study of stellar wind energy flux: from the Sun to Beltegeuse

Details Study of stellar wind energy flux: from the Sun to Beltegeuse Study of stellar wind energy flux: from the Sun to Beltegeuse

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1094..365l&link_type=abstract

COOL STARS, STELLAR SYSTEMS AND THE SUN: Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun.

Computer Science

Mass Loss And Stellar Winds, Accretion And Accretion Disks, Giant And Subgiant Stars

Scientific paper

This study examines the solar wind energy flux, from 17 years of Ulysses measurements at different heliolatitudes, completed by multi-instrument observations. The solar wind energy flux is almost constant, nearly independant on wind speed and solar activity. We then compare the energy flux of the Sun to the stellar wind fluxes, in addition to the luminosity fluxes, from young stars to supergiants. A share processus of origin and acceleration of the main-sequence stars and cool giants' winds is suggested. T-Tauri stars'winds show a possible result of an accretion powered wind.

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