Stellar winda: Observational evidence for a hot-cool star connection

Details Stellar winda: Observational evidence for a hot-cool star connection Stellar winda: Observational evidence for a hot-cool star connection

Jan 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985nascp2358...95w&link_type=abstract

In NASA. Goddard Space Flight Center The Origin of Nonradiative Heating/Momentum in Hot Stars p 95-100 (SEE N85-17755 08-88)

Physics

1

Hot Stars, Stellar Luminosity, Stellar Temperature, Stellar Winds, Hertzsprung-Russell Diagram, Stellar Spectra, Terminal Velocity, Wolf-Rayet Stars

Scientific paper

Stellar wind data was collected for a total of 272 stars representing all spectral types including Wolf-Rayet stars. Two significant correlations are found relating the wind luminosity (Lw = 1/2 MVinfinity squared) to the bolometric luminosity and the terminal velocity of the stellar wind to the stellar effective temperature. Least-squared fits to the data suggest that the wind luminosity is approximately the bolometric luminosity squared and the terminal velocity is approximately the effective temperature to the 1.8 power. The surprising result is that all spectral types throughout the HR diagram are represented in these correlations.

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