Chapters in this book

1. Frontmatter i
2. TRANSLATOR'S PREFACE v
3. INTRODUCTION vii
4. CONTENTS xiii
5. I. THE HOMOGENEOUS MEDIUM
6. 1. FUNDAMENTAL EQUATIONS 3
7. 2. DEGREE OF EXCITATION AND IONIZATION 7
8. 3. RELATIVE INTENSITIES OF LINES 9
9. 4. ON THE TRANSPARENCY OF THE MEDIUM TO LINE RADIATION 11
10. 5. COMPARISON WITH OBSERVATION 14
11. II. STARS OF THE EARLY CLASSES WITH BRIGHT LINES
12. 1. THE LOWER BOUNDARY OF THE ATMOSPHERE 21
13. 2. EXCITATION CHANGES ALONG THE RADIUS 26
14. 3. CONTOURS OF SPECTRAL LINES 29
15. III. GASEOUS NEBULAE
16. 1. THE FIELD OF L0 RADIATION 42
17. 2. THE FIELD OF LA RADIATION 44
18. 3. TEMPERATURES OF NEBULAE AND NUCLEI 50
19. IV. ENVELOPES OF NEW STARS
20. 1. THE ATOM WITH THREE STATES 63
21. 2. THE REAL ATOM 69
22. 3. COLLISIONS AND GENERAL ABSORPTION IN THE ENVELOPE 72
23. 4. CERTAIN APPLICATIONS 75
24. V. STARS OF LATE OASS WITH BRIGHT LINES
25. 1. ORIGIN OF "COMBINATION SPECTRA" 84
26. 2. OPTICAL DEPTH OF THE ENVELOPE BEYOND THE LIMITS OF SUBORDINATE SERIES 91
27. 3. GENERAL CONSIDERATIONS 94
28. SUMMARY 99
29. REFERENCES 103
30. INDEX 105