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Immiscibilities in cold, degenerate stars

Stevenson, D. J. (1977) Immiscibilities in cold, degenerate stars. Proceedings of the Astronomical Society of Australia, 3 . pp. 167-168. ISSN 0066-9997.

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The deep interiors of cold, degenerate stars consist of a mixture of elements, either because of primordial inhomogeneities or because of incomplete nuclear burning. However, most existing calculations for the cooling of such bodies (subsequent to any nuclear burning) assume that the only source of luminosity is the heat content of the star. An additional (and potentially much larger) energy source is available if the elements have limited mutual solubility below some temperature. The resulting differentiation and gravitational settling can dramatically decrease the rate of cooling, enhance the number of (potentially) observable low luminosity bodies, and may deplete the atmosphere of heavy elements (if substantial mixing between the atmosphere and deep interior occurs). The observational evidence for these phenomena is equivocal at present.

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Stevenson, D. J.0000-0001-9432-7159
Additional Information:© 1977 Astronomical Society of Australia.
Record Number:CaltechAUTHORS:20130612-112439025
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:38916
Deposited By: Tony Diaz
Deposited On:12 Jun 2013 22:11
Last Modified:03 Oct 2019 05:02

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