An introduction to brown dwarfs :from very-low-mass stars to super-Jupiters /

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"Version: 20241201"--Title page verso.Includes bibliographical references.1. Introduction -- 1.1. Stars and brown dwarfs -- 1.2. Definitions and brown dwarf research paradigms -- 1.3. Discovery of brown dwarfs2. The basics -- 2.1. Fundamental parameters -- 2.2. Astronomy units: magnitudes and parsecs -- 2.3. Spectroscopy: velocities, surface gravity and metallicity3. Spectral types -- 3.1. Spectral typing strategy -- 3.2. M and L dwarfs -- 3.3. T and Y dwarfs -- 3.4. Luminosities and effective temperatures4. Photometry and astrometry -- 4.1. Photometry -- 4.2. Astrometry -- 4.3. Sky surveys -- 4.4. The observational H-R diagram5. Structure and evolution -- 5.1. Elements of a model -- 5.2. An overview of ultracool dwarf models -- 5.3. Key physics: clouds, metallicity, and initial conditions6. Atmospheres -- 6.1. The problem -- 6.2. Radiative transfer -- 6.3. Key physics -- 6.4. Clouds -- 6.5. Grid models7. The solar neighborhood -- 7.1. Brown dwarfs within 20 parsecs and the imf -- 7.2. Very young stars and nearby moving groups8. Conclusions -- 8.1. Binaries as tests of models -- 8.2. Final thoughts.Full-text restricted to subscribers or individual document purchasers.This book provides an introduction to brown dwarfs aimed at advanced undergraduates and beginning graduate students, supplementing stellar astrophysics or (exo)planetary science classes. It emphasizes the key theoretical ideas and the main observational results that support those ideas. The first chapter is an introduction to the concept of brown dwarfs, their similarities and differences with stars and planets, and classification challenges. The second section examines brown dwarf atmospheres, with an emphasis on both understanding the key concepts and making use of the detailed models. The final major section addresses the formation of brown dwarfs, the initial mass function, and the related problem of brown dwarf multiplicity.Astronomy undergraduate majors and graduate students.Also available in print.Mode of access: World Wide Web.System requirements: Adobe Acrobat Reader, EPUB reader, or Kindle reader.John Gizis is Annie Jump Cannon Professor of Astronomy at the University of Delaware. He earned his Ph.D. in 1998 at the California Institute of Technology. Before joining the University of Delaware, he was a member of the 2MASS Rare Objects Team that developed the L and T brown dwarf spectral classification.Title from PDF title page (viewed on January 17, 2025).

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Publisher

: .,

Collation

1 online resource (various pagings) :illustrations (some color).

Language

English

ISBN/ISSN

9780750333870

Classification

523.8/8

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Edition

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Subject(s)

Galaxies & stars.
SCIENCE / Space Science / Astronomy.
Brown dwarf stars.

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Statement of Responsibility

John Gizis.

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