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The Bottom of the Main Sequence — And Beyond

Proceedings of the ESO Workshop Held in Garching, Germany, 10–12 August 1994

  • Conference proceedings
  • © 1995

Overview

Editors:
  1. Christopher G. Tinney

    1. Anglo-Australian Observatory, Epping, Australia

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Part of the book series: ESO Astrophysics Symposia (ESO)

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Table of contents (46 papers)

  1. Searches for Companions

    1. SHARP Images of the Pre-main Sequence Star V536 Aquilae: A Binary with a Low-Mass Companion

      • J.-L. Monin, F. Ménard, N. Ageorges, A. Eckart
      Pages 109-112

    2. Exploration of the Lower Main Sequence Among Wide Binaries

      • J. Allyn Smith, Terry D. Oswalt
      Pages 113-119

  2. Observables

    1. Front Matter

      Pages 121-121
      Download chapter PDF

    2. The Temperature Scale for Cool Dwarfs

      • Michael S. Bessell
      Pages 123-131

    3. Parallaxes and Absolute Magnitudes for VLM Stars

      • Chris Tinney
      Pages 132-137

    4. Southern Stars Near the Substellar Boundary: An Update

      • P. A. Ianna
      Pages 138-139

    5. Classification Spectroscopy of M Dwarfs from 0.6 to 2.4 Microns

      • J. Davy Kirkpatrick
      Pages 140-150

    6. The Design of the Low-Mass Binaries Database

      • D. A. Shpil’kina, O. Yu. Malkov
      Pages 151-154

    7. The Mass-Luminosity Relation for M-dwarfs

      • O. Yu. Malkov, A. E. Piskunov, D. A. Shpil’kina
      Pages 155-158

    8. Lithium and the Nature of Brown Dwarf Candidates

      • Rafael Rebolo, Antonio Magazzù, Eduardo L. Martín
      Pages 159-168

  3. Very Low-Mass Stars and Brown Dwarfs in Clusters

    1. Front Matter

      Pages 169-169
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    2. Star Formation and the Initial Mass Function

      • Fred C. Adams
      Pages 171-182

    3. Surveys of Nearby Clusters for Low-Mass Stars and Brown Dwarfs

      • R. F. Jameson
      Pages 183-191

    4. The VLM Main Sequence in Praesepe

      • N. C. Hambly, I. A. Steele, M. R. S. Hawkins, R. F. Jameson
      Pages 192-195

    5. Near-infrared Observations of Low-Mass Objects in NGC 2024

      • F. Comerón, G. H. Rieke
      Pages 196-200

    6. HST Photometry of Low-Mass Stars in Open Clusters

      • T. von Hippel, G. Gilmore, D. H. P. Jones
      Pages 201-204

    7. Spectroscopy of M Type Stars in the α Persei Open Cluster

      • María Rosa Zapatero Osorio, Rafael Rebolo, Eduardo L. Martín, Ramón J. García López
      Pages 205-208

    8. Low-Mass Stars and Brown Dwarfs in the Trapezium Cluster

      • Mark McCaughrean, Hans Zinnecker, John Rayner, John Stauffer
      Pages 209-213

  4. Activity

    1. Front Matter

      Pages 215-215
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    2. Surface Activity and Rotation in Low-Mass Stars

      • James Liebert
      Pages 217-223
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Keywords

About this book

The proceedings of this workshop should probably be prefaced with a few words on some of the more confusing jargon. The phrases "Very Low-Mass star" , "VLM star", or simply "VLM" are now used fairly uniformly by as­ tronomers studying the stars at the bottom of the hydrogen-burning stellar main sequence - unfortunately, however, there is no clear definition as to what constitutes a VLM star. The reader should be warned that VLM stars are variously considered to be stars with; masses less than 0.3M ; masses 0 less than 0.1M ; spectra later than about M6-7; luminosities fainter than 0 Mv = 15; or luminosities fainter than Mbol = 12. The important features of a VLM star, however, would seem to be (1) that it is about as faint as a star can be, and (2) that it still remains a star (ie. it still burns hydrogen) . All of the above criteria, therefore, would seem to qualify an object as a VLM star, and requiring a more stringent definition is probably quibbling.

Editors and Affiliations

  • Anglo-Australian Observatory, Epping, Australia

    Christopher G. Tinney

Bibliographic Information

  • Book Title: The Bottom of the Main Sequence — And Beyond

  • Book Subtitle: Proceedings of the ESO Workshop Held in Garching, Germany, 10–12 August 1994

  • Editors: Christopher G. Tinney

  • Series Title: ESO Astrophysics Symposia

  • DOI: https://doi.org/10.1007/978-3-540-49217-7

  • Publisher: Springer Berlin, Heidelberg

  • eBook Packages: Springer Book Archive

  • Copyright Information: Springer-Verlag Berlin Heidelberg 1995

  • Softcover ISBN: 978-3-662-22482-3Published: 23 August 2014

  • eBook ISBN: 978-3-540-49217-7Published: 29 June 2013

  • Series ISSN: 1431-2433

  • Series E-ISSN: 1611-6143

  • Edition Number: 1

  • Number of Pages: XVII, 309

  • Number of Illustrations: 134 b/w illustrations

  • Topics: Astronomy, Observations and Techniques, Astrophysics and Astroparticles, Geophysics/Geodesy

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