Gordon / Sorochenko Radio Recombination Lines

Their Physics and Astronomical Applications
1. Auflage 2009
ISBN: 978-0-387-09691-9
Verlag: Springer
Format: PDF
Kopierschutz: 1 - PDF Watermark

E-Book, Englisch, Band 282, 360 Seiten

Reihe: Astrophysics and Space Science Library

This guide to the physics and observations of Radio Recombination Lines from astronomical sources includes history, theory, applications, 250 equations and 110 illustrations. This soft cover edition contains corrections and updates from hardbound edition.

Autoren/Hrsg.

Gordon, M. A.

Sorochenko, R. L.

Inhaltsverzeichnis

1;Preface;7
2;Contents;9
3;List of Figures;12
4;List of Tables;15
5;Introduction;16
5.1;1.1 The Cosmos as a Laboratory;16
5.2;1.2 Spectral Lines in Astronomy;16
5.3;1.3 The Bohr Atom;18
5.4;1.4 Spectral Lines in Radio Astronomy ;22
6;RRLs and Atomic Physics;37
6.1;2.1 The First Surprising Results: The Absence of Stark Broadening;37
6.2;2.2 The Broadening of Radio Recombination Lines ;39
6.3;2.3 Intensity of Radio Recombination Lines ;70
6.4;2.4 The Range of RRL Studies ;108
6.5;2.5 How Many Atomic Levels Can Exist?;121
6.6;2.6 Summary;127
7;RRLs: Tools for Astronomers;130
7.1;3.1 Physical Conditions in HII Regions ;134
7.2;3.2 Ionized Hydrogen and Helium in the Galaxy ;148
7.3;3.3 Exploration of the Cold ISM by RRLs;178
7.4;3.4 RRLs from Stars and Stellar Envelopes;226
7.5;3.5 RRLs from Extragalactic Objects;244
8;Appendixes;252
8.1;Constants;253
8.1.1;A.1 Miscellaneous Constants ;253
8.1.2;A.2 Rydberg Constants;253
8.2;Tables of Line Frequencies;256
8.2.1;B.1 Frequencies Below 100GHz;256
8.2.2;B.2 Frequencies Above 100GHz;269
8.2.3;B.3 FORTRAN Code for Fine-Structure Frequencies;285
8.3;Supplemental Calculations;292
8.3.1;C.1 Early Estimates of Stark Broadening;292
8.3.2;C.2 Refinements to the Bohr Model;294
8.4;Hydrogen Oscillator Strengths;296
8.4.1;D.1 Population of Atomic Sublevels;296
8.4.2;D.2 Calculation of Oscillator Strengths;297
8.4.3;D.3 FORTRAN Code for Evaluating Radial Matrix Integrals;299
8.5;Departure Coefficients;307
8.5.1;E.1 FORTRAN Code for Calculating bn Values;307
8.6;Observational Units;338
8.6.1;F.1 What Radio Telescopes Measure;338
8.6.2;F.2 How Radio Telescopes Measure;339
9;References;347
10;Author Index;360
11;Subject Index;365