Gordon / Sorochenko Radio Recombination Lines

Their Physics and Astronomical Applications
1. Auflage 2009
ISBN: 978-0-387-09691-9
Verlag: Springer-Verlag
Format: PDF
Kopierschutz: Adobe DRM (»Systemvoraussetzungen)

E-Book, Englisch, 360 Seiten

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