The Spiral Structure of Our Galaxy

Front Matter....Pages I-XIII
Survey of Spiral Structure Problems....Pages 1-5
Front Matter....Pages 7-7
Spiral Structure in External Galaxies....Pages 9-14
Spiral Structure of Our Galaxy and of Other Galaxies....Pages 15-17
Statistics of Spiral Patterns and Comparison of Our Galaxy with Other Galaxies....Pages 18-25
The Distribution of Dark Nebulae in Late-Type Spirals....Pages 26-34
Angular Momenta of Late-Type Spiral Galaxies....Pages 35-40
Applying the Model of a Normal Logarithmic Spiral to Galaxies....Pages 41-41
Density Distribution and the Radial Velocity Field in the Spiral Arms of M 31....Pages 42-50
The Rotation Curve, Mass, Light, and Velocity Distribution of M 31....Pages 51-60
A Comparison of Dynamical Models of the Andromeda Nebula and the Galaxy....Pages 61-68
OB Stars on the Outermost Borders of M 31....Pages 69-71
Observations of Radio Continuum Emission from M 31....Pages 72-72
Kinematics of M 33, M 51 and the L. M. C.....Pages 73-78
The Stellar Velocity Field in M 51....Pages 79-82
 Hii Regions in NGC 628, NGC 4254 and NGC 5194....Pages 83-86
Spiral Structure and Distribution of Stellar Associations in NGC 6946....Pages 87-90
Front Matter....Pages 91-91
Spiral Structure of Neutral Hydrogen in Our Galaxy....Pages 95-106
The Distribution of Hii Regions....Pages 107-121
A Motion Picture Film of Galactic 21-cm Line Emission....Pages 122-125
Spiral Structure of the Galaxy Derived from the Hat Creek Survey of Neutral Hydrogen....Pages 126-139
Front Matter....Pages 91-91
Galactic Continuum Source Counts....Pages 140-141
Matter Far from the Galactic Plane Associated with Spiral Arms....Pages 142-146
On a Possible Corrugation of the Galactic Plane....Pages 147-150
A Study of Spiral Structure for 270° ≤ l II ≤ 310°....Pages 151-153
A Peculiar Neutral Hydrogen Concentration at l II =280°, b II =−18°....Pages 154-156
Contribution to the Study of the Distribution of Neutral Hydrogen in the Region 230°≤ l II ≤280°....Pages 157-163
Radial Velocities of Neutral Hydrogen in the Anticenter Region of the Galaxy....Pages 164-168
Radio Observations of Some Details in the Hi Local Spiral Arm....Pages 169-172
Hydrogen in the Regions of Four Stellar Clusters....Pages 173-176
The Distribution in Galactic Longitude of Observable Pulsars....Pages 177-177
Pulsar Distances, Spiral Structure and the Interstellar Medium....Pages 178-181
On the Physical Conditions in Interstellar H I Gas....Pages 182-185
Local Stellar Distribution and Galactic Spiral Structure....Pages 189-198
Remarks on Local Structure and Kinematics....Pages 199-204
Galactic Clusters and H II Regions....Pages 205-208
A New Interpretation of the Galactic Structure from H II Regions....Pages 209-212
The Distribution of H II Regions in the Local Spiral Arm in the Direction of Cygnus....Pages 213-218
Reflection Nebulae and Spiral Structure....Pages 219-221
The Galactic Structure and the Appearance of the Milky Way....Pages 222-224
The Study of the Milky Way Integrated Spectrum and the Spiral Structure of the Galaxy....Pages 225-227
Front Matter....Pages 91-91
Space Distribution of Interstellar Dust in Connection with the Galactic Spiral Structure....Pages 228-231
A Comparison of the Density Gradients of Main Sequence Stars Obtained by Two Different Methods in Different Galactic Latitudes....Pages 232-235
The Galactic Distribution of Young Cepheids....Pages 236-245
A Progress Report on the Carina Spiral Feature....Pages 246-261
The Space Distribution of the OB-Type Stars in Carina....Pages 262-264
Photometric Investigation of the Association Car OB 2....Pages 265-269
Photometric and Spectroscopic Data for Some Distant O and B Stars....Pages 270-275
Progress Report on the Cleveland-Chile Survey for Southern OB Stars....Pages 276-277
A Study of O and B Stars in Vela, Along the Galactic Equator....Pages 278-280
Progress Report of the Current Research on the Galactic Structure in Vela....Pages 281-282
Calibration of 4-Color and H β Photometry for B- and A-Type Starss....Pages 283-283
Wolf-Rayet Stars, Ring-Type H II Regions, and Spiral Structure....Pages 284-286
Stellar Rings and Galactic Structure....Pages 287-289
Radial Velocities of Early-Type Stars....Pages 290-290
The Velocity Dispersions Of O- and B-Stars within a Few Kpc....Pages 291-294
On the Distribution of Space Velocities of OB Stars....Pages 295-296
Questions Concerning the Usefulness and Feasibility of Large-Scale Stellar Statistics....Pages 297-297
Front Matter....Pages 299-299
Gravitational Theories of Spiral Structure....Pages 303-316
The Theory of Spiral Structure of Galaxies....Pages 317-317
Small Amplitude Density Waves on a Flat Galaxy....Pages 318-322
Front Matter....Pages 299-299
The Propagation and Absorption of Spiral Density Waves....Pages 323-325
Large Scale Oscillations of Galaxies....Pages 326-330
Generating Mechanisms for Spiral Waves....Pages 331-333
Spiral Waves Caused by a Passage of the LMC?....Pages 334-335
Non-Linear Density Waves in Pressureless Disks....Pages 336-340
Density Waves in Galaxies of Finite Thickness....Pages 341-342
Particle Resonance in a Spiral Field....Pages 343-347
Barred Spiral Galaxies....Pages 351-355
Structure and Dynamics of Barred Spiral Galaxies with an Asymmetric Mass Distribution....Pages 356-362
Numerical Experiments in Spiral Structure....Pages 365-367
Computer Models of Spiral Structure....Pages 368-372
Front Matter....Pages 373-373
Interpretation of Large-Scale Spiral Structure....Pages 377-390
Theoretical 21-cm Line Profiles: Comparison with Observations....Pages 391-396
Neutral Hydrogen in the Sagittarius and Scutum Spiral Arms....Pages 397-414
Large-Scale Galactic Shock Phenomena and the Implications on Star Formation....Pages 415-422
Deviation of the Vertex of the Velocity Ellipse of Young Stars and Its Connection with Spiral Structure....Pages 423-432
Possible Influence of the Galactic Spiral Structure on the Local Distributions of Stellar Residual Velocities....Pages 433-434
Additional Evidence for the Cataclysmic Origin of Spiral Structure in Galaxies....Pages 435-436
Magnetic Fields and Spiral Structure....Pages 439-440
On the Circulation of Gas Near the Galactic Center....Pages 441-443
Front Matter....Pages 373-373
Magnetohydrodynamical Models of Helical Magnetic Fields in Spiral Arms....Pages 444-447
Local Magnetic Field and Its Relations to the Local Spiral Arm Structure....Pages 448-448
Polarization of Southern OB-stars....Pages 449-451
On a Corollary to the Magnetic Dipole Theory of the Origin of Spiral Structure....Pages 452-454
Front Matter....Pages 455-455
Summary and Outlook....Pages 457-473
Desiderata for Future Work....Pages 474-478