Vibrational Stability of Pure Helium Stars Surrounded by Pure Hydrogen Envelopes
Open Access
- 1 January 1969
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Physics
- Vol. 22 (4) , 497-504
- https://doi.org/10.1071/ph690497
Abstract
This paper investigates the influence of a pure hydrogen envelope on the vibrational stability of pure helium stars and establishes the limiting mass 88 a function of the fractional mass of such an envelope. It is found that an envelope with a mass fraction of the order of 10-4 will make the star vibrationa.lly stable, even when the total mass of the star is well above the limiting mass for pure helium stars.Keywords
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