Introduction to Stellar Astrophysics: Volume 1, Basic Stellar Observations and Data

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Cambridge University Press, 25 ago 1989 - 256 páginas
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This textbook introduction to the basic elements of fundamental astronomy and astrophysics serves as a foundation for understanding the structure, evolution, and observed properties of stars. The first half of the book explains how stellar motions, distances, luminosities, colors, radii, masses and temperatures are measured or derived. The author then shows how data of these sorts can be arranged to classify stars through their spectra. Stellar rotation and stellar magnetic fields are introduced. Stars with peculiar spectra and pulsating stars also merit special attention. The endpoints of stellar evolutions are briefly described. There is a separate chapter on the Sun and a final one on interstellar absorption. The usefulness of this text is enhanced by the inclusion of problems for students, tables of astronomical constants, and a selective bibliography. This is an excellent textbook for undergraduate and beginning graduate students studying astronomy and astrophysics.
 

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Índice

Positions of stars
1
12 Direction of the Earths rotation axis
3
13 Visibility of the sky
4
Proper motions of stars
7
Distances of nearby stars
9
32 Trigonometric parallaxes of stars
11
The brightnesses of the stars
13
42 The colors of the stars
14
95 Data for stellar masses radii and effective temperatures
84
96 The massluminosity relation
85
Spectral classification
89
102 Luminosity classification
95
103 White dwarf spectra
97
Understanding stellar spectra
99
112 Line identification
100
Population II stars
107

43 Correction for the absorption of radiation in the Earths atmosphere
16
44 The black body
21
45 The solar radiation
26
46 The absolute magnitudes of stars
28
Color magnitude diagrams
31
52 Color magnitude diagrams for open clusters
33
53 Color magnitude diagrams for globular clusters
36
54 Photometric parallaxes for star clusters
38
55 Photometric parallaxes for single stars
39
The luminosities of the stars
41
62 The luminosity of the sun
43
63 Luminosities of stars and bolometric magnitudes
44
Angular radii of stars
49
72 The Michelson interferometer
50
73 The Hanbury Brown interferometer
53
74 Angular diameters from lunar occultations
58
Effective temperatures of stars
63
82 The solar surface flux and effective temperature
64
83 Effective temperatures of stars
65
Masses and radii of stars
67
92 The Doppler effect
70
93 Radial velocities and masses of binaries
71
94 Determination of orbital parameters for binaries
75
Stellar rotation
111
Stellar magnetic fields
117
Stars with peculiar spectra
127
153 Diffusion in stars
136
154 Metallic line stars or Am stars
140
155 Barium stars
144
156 T Tauri stars
147
Pulsating stars
153
162 The d Cephei stars
156
163 The RR Lyrae stars
159
164 The periodluminosity relation
161
Explosive stars
165
172 Novae
183
Our sun
193
183 The outer layers of the sun
197
184 The active sun
204
Interstellar absorption
213
193 The interstellar gas
227
Appendixes
231
Some important astronomical quantities
237
References
239
Index
243
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