List of Contributors |
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xv | |
Foreword |
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xix | |
Introduction |
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xxiii | |
1 The Zoo of Binary Stars |
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1 | (11) |
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1.1 Binaries Are Ubiquitous |
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1 | (1) |
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1.2 The Fraction of Binaries |
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2 | (2) |
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4 | (3) |
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5 | (1) |
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1.3.2 Roche-Lobe Overflow |
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6 | (1) |
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1.3.3 Common Envelope Evolution |
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7 | (1) |
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1.4 Massive Star Interactions and Exploding Events |
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7 | (5) |
2 Statistics of Binary and Multiple Stars |
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12 | (20) |
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2.1 Observational Techniques |
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12 | (2) |
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14 | (9) |
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2.2.1 Binary Fraction and Multiplicity Frequency |
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14 | (1) |
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2.2.2 Period Distribution |
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15 | (3) |
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2.2.3 Mass-Ratio Distribution |
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18 | (3) |
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2.2.4 Eccentricity Distribution |
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21 | (1) |
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2.2.5 Variations with Age, Environment and Metallicity |
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21 | (2) |
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2.3 Implications for Binary Star Formation and Evolution |
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23 | (9) |
3 Gaia and LSST: Their Importance in Binary Star Research |
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32 | (13) |
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3.1 Introduction: The Data Revolution in Astronomy |
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32 | (1) |
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33 | (2) |
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33 | (2) |
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3.2.2 The Large Synoptic Survey Telescope (LSST) |
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35 | (1) |
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35 | (1) |
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3.3 The Detection of Nonsingle Stars |
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35 | (4) |
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3.3.1 Astrometric Detection of Binaries |
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36 | (1) |
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3.3.2 Spectroscopic Detection of Binaries |
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37 | (1) |
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3.3.3 Photometric Detection of Binaries |
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37 | (2) |
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3.4 The Classification of Binaries |
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39 | (2) |
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3.5 The Characterisation of Binaries |
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41 | (1) |
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41 | (4) |
4 Population Synthesis of Binary Stars |
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45 | (17) |
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45 | (1) |
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4.2 Big Data and Big Challenges |
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46 | (3) |
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4.2.1 The Single- and Binary-Star Parameter Spaces |
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47 | (1) |
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4.2.2 Detailed and Synthetic Stellar Models |
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48 | (1) |
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49 | (3) |
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4.4 Slow and Fast Parameters |
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52 | (3) |
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52 | (1) |
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53 | (2) |
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4.5 Matching Models to Observations, and Models to Models |
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55 | (1) |
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4.6 Headline News in Population Synthesis |
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56 | (1) |
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4.7 Not Any Colour You Like |
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57 | (5) |
5 Low- and Intermediate-Mass Star Evolution: Open Problems |
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62 | (15) |
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62 | (1) |
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62 | (4) |
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5.2.1 Convective Boundary Mixing |
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63 | (1) |
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5.2.2 Core He-Burning Mixing |
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64 | (2) |
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5.3 Element Transport in Radiative Layers |
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66 | (7) |
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5.3.1 Thermohaline Mixing |
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66 | (1) |
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67 | (4) |
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71 | (2) |
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73 | (4) |
6 The Symbiotic Stars |
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77 | (15) |
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6.1 Symbiotic Stars: Binaries Accreting from a Red Giant |
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77 | (2) |
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6.2 Burning Symbiotic Stars |
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79 | (2) |
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6.3 Accreting-Only Symbiotic Stars |
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81 | (2) |
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6.4 Different Types of Outburst in Symbiotic Stars |
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83 | (9) |
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6.4.1 Z-And or Classical Type |
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83 | (2) |
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85 | (3) |
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6.4.3 Novae Erupting within Symbiotic Stars |
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88 | (4) |
7 Binary Post-AGB Stars as Tracers of Stellar Evolution |
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92 | (14) |
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92 | (1) |
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7.2 Spectral Energy Distribution |
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93 | (2) |
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95 | (1) |
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7.4 Discs: Resolved from the Inner Edge to the Outer Radius |
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96 | (2) |
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7.4.1 Near- and Mid-IR Interferometry |
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96 | (1) |
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97 | (1) |
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98 | (1) |
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98 | (1) |
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7.6 Feedback from Circumbinary Discs |
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99 | (2) |
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101 | (5) |
8 The Importance of Binarity in the Formation and Evolution of Planetary Nebulae |
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106 | (22) |
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106 | (1) |
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106 | (8) |
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107 | (2) |
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8.2.2 The Link between Morphology and Central Star Binarity |
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109 | (3) |
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8.2.3 The Link to Type Ia Supernovae |
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112 | (1) |
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8.2.4 Pre-Common-Envelope Mass Transfer |
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113 | (1) |
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8.3 Non-Post-Common-Envelope Systems |
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114 | (4) |
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115 | (1) |
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8.3.2 Long-Period Radial Velocity Variables |
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115 | (2) |
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8.3.3 Resolved Companions |
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117 | (1) |
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118 | (2) |
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8.4.1 Dual-Dust Chemistry |
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118 | (1) |
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8.4.2 The Abundance Discrepancy Problem |
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119 | (1) |
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120 | (8) |
9 Massive Star Evolution: Binaries as Two Single Stars |
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128 | (16) |
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128 | (1) |
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129 | (1) |
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9.3 Internal Mixing Processes |
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130 | (7) |
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131 | (1) |
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132 | (5) |
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137 | (7) |
10 Binarity at High Masses |
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144 | (9) |
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10.1 Massive Stars in the Grand Scheme of Things |
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144 | (1) |
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10.1.1 The Issue of Multiplicity |
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144 | (1) |
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10.1.2 The Parameter Space |
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145 | (1) |
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10.2 The Spectroscopic Regime |
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145 | (3) |
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10.3 The High-Angular Resolution Regime |
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148 | (1) |
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149 | (4) |
11 Luminous Blue Variables: Their Formation and Instability in the Context of Binary Interactions |
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153 | (14) |
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153 | (3) |
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11.1.1 Luminous Blue Variables |
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153 | (2) |
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11.1.2 Evolutionary Stage of the Luminous Blue Variables |
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155 | (1) |
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11.1.3 The Cause of the Luminous Blue Variable Instability |
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155 | (1) |
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11.2 Luminous Blue Variable Outbursts and Binary Interaction |
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156 | (4) |
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156 | (1) |
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157 | (1) |
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158 | (2) |
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11.3 Binary Scenarios for the Formation of LBVs |
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160 | (1) |
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11.3.1 Rejuvenated Mass Gainer and Kick Scenario |
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160 | (1) |
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161 | (1) |
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161 | (6) |
12 Type Ia Supernovae: Where Are They Coming From and Where Will They Lead Us? |
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167 | (14) |
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12.1 Source of Embarrassment vs. Excitement |
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167 | (2) |
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167 | (1) |
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168 | (1) |
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12.2 The SNe Ia Progenitor Problem: An Observational Approach |
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169 | (4) |
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12.2.1 Candidate Populations |
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169 | (1) |
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12.2.2 Pre-explosion Sites |
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170 | (1) |
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12.2.3 An Interlude on WD Spin-Up/Down |
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170 | (1) |
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12.2.4 Explosion Properties |
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171 | (1) |
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12.2.5 Surviving Companions |
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172 | (1) |
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173 | (1) |
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12.2.7 SN Rates and Binary Population Synthesis |
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173 | (1) |
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12.3 Are There Enough Double White Dwarf Mergers to Explain the Milky Way's SN Ia Rate? |
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173 | (3) |
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12.4 Single Degenerates: Is This It? |
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176 | (5) |
13 Binary Interactions and Gamma-Ray Bursts |
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181 | (10) |
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181 | (1) |
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13.2 Long-Duration Gamma-Ray Bursts from Binary Stars |
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182 | (3) |
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13.2.1 GRBs as Probes of Reionisation |
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183 | (2) |
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13.3 Short-Duration Gamma-Ray Bursts from Binary Stars |
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185 | (1) |
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186 | (1) |
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186 | (5) |
14 Binaries as Sources of Gravitational Waves |
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191 | (17) |
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14.1 Gravitational Waves and Their Detection |
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191 | (3) |
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14.1.1 Detectors: Status and Future |
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191 | (2) |
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14.1.2 Order of Magnitude Estimates: Detection Horizons |
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193 | (1) |
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14.2 What Can We Learn about Stars and Binaries from GW Measurements? |
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194 | (8) |
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14.2.1 Open Questions about Compact Objects |
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195 | (1) |
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195 | (3) |
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14.2.3 Neutron Stars and Electromagnetic Follow-Up |
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198 | (3) |
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14.2.4 White Dwarfs and Electromagnetic Data |
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201 | (1) |
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202 | (6) |
15 The Impact of Binaries on the Stellar Initial Mass Function |
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208 | (17) |
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208 | (2) |
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15.2 The Nature of the IMF of Stars and in Galaxies |
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210 | (1) |
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15.3 The Stellar Mass-Luminosity Relation |
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211 | (1) |
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212 | (4) |
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15.5 The IMF Is a Systematically Varying Function |
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216 | (9) |
16 The Formation of Binary Stars: Insights from Theory and Observation |
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225 | (19) |
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225 | (1) |
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16.2 Overview of Binary Formation Mechanisms |
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226 | (4) |
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16.3 The Era of Binary Mass Production in Hydrodynamical Simulations |
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230 | (2) |
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16.4 The Advent of 'Realistic' Binary Formation Simulations |
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232 | (3) |
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16.4.1 The Inclusion of Thermal Feedback |
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232 | (1) |
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16.4.2 The Inclusion of Magnetic Fields |
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233 | (2) |
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16.5 Clustering at Birth: Hints from Higher-Order Multiple Statistics |
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235 | (2) |
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16.6 An Observational Frontier: Direct Observations of Binary Star Formation from ALMA and the VLA |
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237 | (7) |
17 The Maxwell's Demon of Star Clusters |
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244 | (17) |
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17.1 Binaries as Sources of Energy |
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244 | (2) |
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17.2 Impact of Binaries on Core Collapse |
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246 | (2) |
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17.3 Impact of Binaries on Equipartition |
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248 | (3) |
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251 | (5) |
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17.4.1 Blue Straggler Stars |
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251 | (1) |
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17.4.2 Massive Black Hole Binaries |
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252 | (2) |
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17.4.3 Intermediate-Mass Black Holes |
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254 | (2) |
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256 | (5) |
18 Alternative Stellar Evolution Pathways |
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261 | (16) |
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261 | (2) |
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18.2 Alternative Stellar Evolution Pathways: The Blue Stragglers of NGC 188 and NGC 6819 |
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263 | (4) |
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18.3 Alternative Stellar Evolution Pathways: Across the CMD: Yellow Giants and Sub-Subgiants |
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267 | (3) |
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267 | (1) |
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268 | (2) |
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18.4 Alternative Stellar Evolution Pathways: Within the Main Sequence |
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270 | (1) |
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18.5 Alternative Stellar Evolution Pathways: Angular Momentum Evolution |
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271 | (2) |
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273 | (1) |
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273 | (4) |
19 Clocks and Scales: Playing with the Physics of Blue Stragglers |
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277 | (21) |
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19.1 The BSS-Binaries Connection |
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277 | (5) |
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19.1.1 Another Puzzling Feature: The Double BSS Sequence |
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280 | (2) |
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19.2 Clocks: Defining and Refining the Dynamical Clock for Star Clusters |
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282 | (5) |
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19.3 Scales: Searching for Evolved BSSs |
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287 | (4) |
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288 | (1) |
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19.3.2 The Discovery of the E-BSS1 in 47 Tucanae |
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288 | (3) |
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291 | (7) |
20 Binaries at Very Low Metallicity |
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298 | (9) |
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298 | (3) |
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20.1.1 Binaries as Probes of Star Formation |
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298 | (1) |
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20.1.2 Binaries and CEMP Stars |
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299 | (2) |
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20.2 Literature Studies of Binarity at Low Metallicity |
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301 | (1) |
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302 | (2) |
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304 | (3) |
21 Population and Spectral Synthesis: It Doesn't Work without Binaries |
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307 | (22) |
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21.1 What Is Population and Spectral Synthesis? |
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307 | (1) |
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308 | (3) |
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21.3 Why Are Binaries Important? |
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311 | (5) |
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21.3.1 Blue Stragglers on the HR Diagram |
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312 | (1) |
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313 | (1) |
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314 | (2) |
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316 | (1) |
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21.4 Galaxies Near and Far |
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316 | (2) |
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21.5 Ionising Radiation Fields and H II Regions |
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318 | (1) |
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21.6 Photon Production, Photon Escape and Reionisation |
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319 | (2) |
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321 | (1) |
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322 | (7) |
Index |
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329 | |