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Title High-velocity clouds / edited by Hugo van Woerden [and others]
Published Dordrecht ; London : Kluwer Academic, [2004]
©2004
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Description 1 online resource (x, 400 pages) : illustrations (some color), portraits
Series Astrophysics and space science library ; v. 312
Astrophysics and space science library ; v. 312
Contents COVER -- TABLE OF CONTENTS -- PREFACE -- 1. HISTORY OF HVC RESEARCH -- AN OVERVIEW -- 1.1 Discovery; research until 1963 -- 1.2 Early radio research: 1963-1968 -- 1.3 Developments 1968-1980 -- 1.4 Developments 1981-1991 -- 1.5 Developments 1992-1999 -- 1.6 New Developments since 1999 -- 2. HVC/IVC MAPS AND HVC DISTRIBUTION FUNCTIONS -- 2.1 Introduction -- 2.2 Basic HVC and IVC data -- 2.3 Features of the H i sky -- 2.4 Column density distribution -- 2.5 Volume density distribution -- 2.6 Distributions of cloud parameters -- 2.7 Conclusions and outlook -- 3. KINEMATICS OF HV AND IV GAS -- 3.1 General considerations -- 3.2 Defining the HV and IV gas sample -- 3.3 Systematic motions of high-velocity (HV) gas -- 3.4 Systematic motions of intermediate-velocity (IV) gas -- 3.5 Systematic motions from optical and UV observations -- 3.6 Simple kinematical considerations -- 3.7 N(H i) distribution and infall velocity -- 3.8 Some results from further statistical analyses -- 3.9 Conclusions -- 4. INTERMEDIATE-VELOCITY CLOUDS -- 4.1 Introduction: what are intermediate-velocity clouds? -- 4.2 The distribution of IVCs in space and in velocity -- 4.3 Distances of intermediate-velocity clouds -- 4.4 IVCs and their relationship to low- and high-velocity gas -- 4.5 Abundances and physical conditions -- 4.6 Speculations on the origin and significance of IVCs -- 4.7 Directions for future work -- 5. HVCS RELATED TO THE MAGELLANIC SYSTEM -- 5.1 Introduction -- 5.2 The Magellanic Bridge -- 5.3 The Magellanic Stream -- 5.4 The Leading Arm -- 5.5 Theoretical origin models -- 5.6 Relationships to other HVCs? -- 6. HIGH-VELOCITY H i GAS IN EXTERNAL GALAXIES -- 6.1 Introduction -- 6.2 H i halos of spiral galaxies -- 6.3 Interactions and accretions -- 6.4 Concluding remarks -- 7. THE LARGE- AND SMALL-SCALE STRUCTURE OF HVCS -- 7.1 Introduction -- 7.2 Observations -- 7.3 Physical characteristics -- 7.4 Characterization of small-scale structure -- 7.5 Discussion and conclusions -- 8. IONIZED GAS ASSOCIATED WITH HVCS -- 8.1 Introduction -- 8.2 The observations: high-resolution Fabry-Pérot spectroscopy of emission lines -- 8.3 A brief summary of recent emission-line observations -- 8.4 Are HVCs extragalactic? The evidence from Ha -- 8.5 Measuring metal abundances in HVCs ... the ionization correction -- 8.6 The disk/halo connection -- 8.7 Conclusions and future directions -- 9. THE COLDEST PHASE IN HALO HIGH-VELOCITY GAS: DUST AND MOLECULES -- 9.1 Measurements of dust and molecules in the Milky Way Halo -- 9.2 Presence of dust in halo gas -- 9.3 Measurements of molecules in halo gas -- 9.4 Molecular "globules" in the outer halo? -- 9.5 Concluding remarks -- 10. DISTANCES AND METALLICITIES OF HVCS -- 10.1 Introduction -- 10.2 Methods of distance determination -- 10.3 Distance determination from absorption lines -- 10.4 Distances of high-velocity clouds -- 10.5 Metallicity determination -- requirements and problems -- 10.6 Ion abundances and metallicities of HVCs -- 10.7 Origins -- 10.8 Needs and prospects -- 11. THE HOT HALO -- 11.1 Toward the concept of a hot halo -- 11.2 Absorption by highly-ion
Summary "This book contains 17 chapters reviewing our knowledge of the high-velocity clouds (HVCs) as of 2004, bringing this together in one place for the first time. Each of the many different aspects of HVC research is addressed by one of the experts in that subfield. These include a historical overview of HVC research and analyses of the structure and kinematics of HVCs."--Jacket
Bibliography Includes bibliographical references and index
Notes Print version record
Subject High-velocity clouds (Astrophysics)
Form Electronic book
Author Woerden, Hugo van.
ISBN 1402025793 (electronic bk.)
9781402025792 (electronic bk.)
1402025785 (Cloth)
9781402025785 (Cloth)
6610190135
9786610190133