A further discussion on the mass loss of Mira stars

Details A further discussion on the mass loss of Mira stars A further discussion on the mass loss of Mira stars

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982acaps...2...49s&link_type=abstract

(Acta Astrophysica Sinica, vol. 2, 1982, p. 49-55.) Chinese Astronomy and Astrophysics, vol. 6, June 1982, p. 104-108. Translat

Astronomy and Astrophysics

Astrophysics

1

Late Stars, Mira Variables, Stellar Envelopes, Stellar Mass Ejection, Stellar Winds, Variable Stars, Hydroxyl Emission, Interstellar Masers, Regression Analysis, Stellar Luminosity, Stellar Spectra, Stellar Temperature

Scientific paper

Mass-loss rates for 42 Mira-type variables with a known period, spectral type, and associated double-peak OH maser spectrum are calculated on the assumption of mass loss via a stellar wind driven by radiation pressure. The relations between mass-loss rate and luminosity, pulsation period, maser-shell expansion velocity, and effective temperature are determined. The results show that the mass-loss rate of a Mira-type variable is proportional to the first power of luminosity, is linearly correlated with both pulsation period and maser-shell expansion velocity, but is not correlated with effective temperature. It is concluded that pulsation period and maser-shell expansion velocity are linearly correlated for Mira stars.

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