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Brown and Black Dwarfs: Their structure, evolution and contribution to the missing mass

Stevenson, D. J. (1978) Brown and Black Dwarfs: Their structure, evolution and contribution to the missing mass. Proceedings of the Astronomical Society of Australia, 3 (3-4). pp. 227-229. ISSN 0066-9997. https://resolver.caltech.edu/CaltechAUTHORS:20130612-112851138

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Abstract

According to Oort (1965), the mass density in the solar neighbourhood (inferred from the gravity component normal to the galactic plane) is between 50% and 150% greater than the mass density inferred from non-dwarf stars. One possible explanation for the "missing mass" is an overabundance of faint M-dwarfs (Weistrop 1972), but present indications are that this overabundance is either small (Weistrop 1976; Sanduleak 1976) or non-existent (Faber et al. 1976; Eggen 1976). Nevertheless, Salpeter's initial mass function (Salpeter 1955) suggests that the total mass may be dominated by low mass stars, including masses M ≾ 0.08M_⊙ which never undergo significant hydrogen burning.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu/abs/1978PASAu...3..227SADSArticle
ORCID:
AuthorORCID
Stevenson, D. J.0000-0001-9432-7159
Additional Information:© 1978 Astronomical Society of Australia. I thank Dr. F. Dyson (Institute for Advanced Study, Princeton) for interesting me in this problem.
Issue or Number:3-4
Record Number:CaltechAUTHORS:20130612-112851138
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130612-112851138
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:38917
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:12 Jun 2013 22:09
Last Modified:03 Oct 2019 05:02

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