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The Search for Brown Dwarfs

Stevenson, David J. (1991) The Search for Brown Dwarfs. Annual Review of Astronomy and Astrophysics, 29 . pp. 163-193. ISSN 0066-4146. https://resolver.caltech.edu/CaltechAUTHORS:20130724-100133922

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Abstract

We know a lot about stars and planets. We know about stars because they are easy to detect and because we can observe them in the various stages of their life cycles. We know about planets because we live on a planet, because there are nearby planets that can be visited by spacecraft and observed in detail, and because the known planets and other solar system materials preserve some evidence of their history. However, the planets and stars we know about are separated in mass by about two orders of magnitude or more, and the history of astronomy suggests that we should adopt an Ecological Principle: All imaginable physical niches are probably occupied. The objects of intermediate mass, known by various names but here called brown dwarfs (Tarter 1975, 1986) fill this niche. The evidence for their existence is currently rather weak and confusing (Fienberg 1990): New discoveries seem scarcely more frequent than retractions or reinterpretations of old discoveries! From that point of view, this review might be premature by a few years. However, our theoretical understanding is rather well developed and there are enough tantalizing observations that an interim review and perspective seems worthwhile. Certainly, the observational situation is extremely dynamic and the interest level is very high in several parts of the astronomical and planetary communities.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1146/annurev.astro.29.1.163 DOIArticle
http://www.annualreviews.org/doi/abs/10.1146/annurev.aa.29.090191.001115PublisherArticle
ORCID:
AuthorORCID
Stevenson, David J.0000-0001-9432-7159
Additional Information:© 1991 Annual Reviews Inc. I thank many workers in this field for sharing their most recent preprints with me, and I especially thank Ben Zuckerman for several conversations. This work was partly supported by NASA grant NAGW-185, and represents contribution number 4953 from the Division of Geological and Planetary Sciences, California Institute of Technology.
Funders:
Funding AgencyGrant Number
NASANAGW-185
Subject Keywords:planets, stellar evolution, low-mass stars
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Caltech Division of Geological and Planetary Sciences4953
Record Number:CaltechAUTHORS:20130724-100133922
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130724-100133922
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:39551
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:30 Jul 2013 17:13
Last Modified:03 Oct 2019 05:08

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