Book contents
- Frontmatter
- Contents
- List of Contributors
- Foreword
- Introduction
- 1 The Zoo of Binary Stars
- 2 Statistics of Binary and Multiple Stars
- 3 Gaia and LSST: Their Importance in Binary Star Research
- 4 Population Synthesis of Binary Stars
- 5 Low- and Intermediate-Mass Star Evolution: Open Problems
- 6 The Symbiotic Stars
- 7 Binary Post-AGB Stars as Tracers of Stellar Evolution
- 8 The Importance of Binarity in the Formation and Evolution of Planetary Nebulae
- 9 Massive Star Evolution: Binaries as Two Single Stars
- 10 Binarity at High Masses
- 11 Luminous Blue Variables: Their Formation and Instability in the Context of Binary Interactions
- 12 Type Ia Supernovae: Where Are They Coming From and Where Will They Lead Us?
- 13 Binary Interactions and Gamma-Ray Bursts
- 14 Binaries as Sources of Gravitational Waves
- 15 The Impact of Binaries on the Stellar Initial Mass Function
- 16 The Formation of Binary Stars: Insights from Theory and Observation
- 17 The Maxwell’s Demon of Star Clusters
- 18 Alternative Stellar Evolution Pathways
- 19 Clocks and Scales: Playing with the Physics of Blue Stragglers
- 20 Binaries at Very Low Metallicity
- 21 Population and Spectral Synthesis: It Doesn’t Work without Binaries
- Index
2 - Statistics of Binary and Multiple Stars
Published online by Cambridge University Press: 05 April 2019
- Frontmatter
- Contents
- List of Contributors
- Foreword
- Introduction
- 1 The Zoo of Binary Stars
- 2 Statistics of Binary and Multiple Stars
- 3 Gaia and LSST: Their Importance in Binary Star Research
- 4 Population Synthesis of Binary Stars
- 5 Low- and Intermediate-Mass Star Evolution: Open Problems
- 6 The Symbiotic Stars
- 7 Binary Post-AGB Stars as Tracers of Stellar Evolution
- 8 The Importance of Binarity in the Formation and Evolution of Planetary Nebulae
- 9 Massive Star Evolution: Binaries as Two Single Stars
- 10 Binarity at High Masses
- 11 Luminous Blue Variables: Their Formation and Instability in the Context of Binary Interactions
- 12 Type Ia Supernovae: Where Are They Coming From and Where Will They Lead Us?
- 13 Binary Interactions and Gamma-Ray Bursts
- 14 Binaries as Sources of Gravitational Waves
- 15 The Impact of Binaries on the Stellar Initial Mass Function
- 16 The Formation of Binary Stars: Insights from Theory and Observation
- 17 The Maxwell’s Demon of Star Clusters
- 18 Alternative Stellar Evolution Pathways
- 19 Clocks and Scales: Playing with the Physics of Blue Stragglers
- 20 Binaries at Very Low Metallicity
- 21 Population and Spectral Synthesis: It Doesn’t Work without Binaries
- Index
Summary
The statistical distributions of main-sequence multiple-star properties reveal invaluable insights into the processes of binary star formation, and they provide initial conditions for population synthesis studies of binary star evolution. Binary stars are discovered and characterised through a variety of techniques. Correcting for their respective selection effects and combining the bias-corrected results is not a trivial process. This is partially because the intrinsic distributions of companion frequency, primary mass M1, orbital period P, mass ratio q and eccentricity e are all interrelated , i.e., f(M1,P,q,e)/= f(M1)f(P)f(q)f(e). In particular, the binary fraction increases with primary mass, especially across short orbital periods, and binaries become weighted towards larger eccentricities and more extreme mass ratios with increasing separation, especially for more massive primaries. Moreover, binary star statistics vary with age, environment and metallicity. This chapter summarises the strengths and limitations of the various observational techniques, and reviews the statistical correlations in the intrinsic (bias-corrected) multiple-star properties.
- Type
- Chapter
- Information
- The Impact of Binary Stars on Stellar Evolution , pp. 12 - 31Publisher: Cambridge University PressPrint publication year: 2019