What Do Luminous Cool Stars Tell Us About Mass Loss?

Details What Do Luminous Cool Stars Tell Us About Mass Loss? What Do Luminous Cool Stars Tell Us About Mass Loss?

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.4001w&link_type=abstract

American Astronomical Society Meeting 210, #40.01; Bulletin of the American Astronomical Society, Vol. 39, p.153

Astronomy and Astrophysics

Astronomy

Scientific paper

From modeling and observations of mass loss from cool stars we have learned that the mass loss rate can be a very steep function of stellar parameters; that when this is the case, selection effects dominate empirical mass loss formulae; and that a variety of formulae tested against observed mass loss rates give the same answer for “which stars are losing mass?” but with very different power law exponents d log(-dM/dt)/d log L and d log(-dM/dt)/d logM. To eliminate some formulae, or to establish these slopes empirically, observations of the duration of the mass loss epoch and the distribution of stars vs. L , P , or dM / dt are needed. Do any of these conclusions carry over to the hotter luminous stars?

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