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Author:   W. Becker ,  G. Contopoulos
Publisher:   Springer
Imprint:   Kluwer Academic Publishers
Edition:   1970 ed.
Volume:   38
Weight:   0.940kg
ISBN:  

9789027701091

ISBN 10:   9027701091
Pages:   486
Publication Date:   31 July 1970
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   Out of stock  
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Table of Contents

1. Survey of spiral structure problems.- I / Spiral Structure in Galaxies.- 2. Spiral structure in external galaxies.- 3. Spiral structure of our Galaxy and of other galaxies.- 4. Statistics of spiral patterns and comparison of our Galaxy with other galaxies.- 5. The distribution of dark nebulae in late-type spirals.- 6. Angular momenta of late-type spiral galaxies.- 7. Applying the model of a normal logarithmic spiral to galaxies.- 8. Density distribution and the radial velocity field in the spiral arms of M31.- 9. The rotation curve, mass, light, and velocity distribution of M31.- 10. A comparison of dynamical models of the Andromeda Nebula and the Galaxy.- 11. OB stars on the outermost borders of M31.- 12. Observations of radio continuum emission from M31.- 13. Kinematics of M33, M51 and the L.M.C..- 14. The stellar velocity field in M51.- 15. Hii Regions in NGC 628, NGC 4254 and NGC 5194.- 16. Spiral structure and distribution of stellar associations in NGC 6946.- II / Observations of Spiral Structure in Our Galaxy.- A. Radio Observations.- 17. Spiral structure of neutral hydrogen in our Galaxy.- 18. The distribution of Hii regions.- 19. A motion picture film of galactic 21-cm line emission.- 20. Spiral structure of the Galaxy derived from the Hat Creek survey of neutral hydrogen.- 21. Galactic continuum source counts.- 22. Matter far from the galactic plane associated with spiral arms.- 23. On a possible corrugation of the galactic plane.- 24. A study of spiral structure for 270°?lII?310°.- 25. A peculiar neutral hydrogen concentration at lII=280° bII=18°.- 26. Contribution to the study of the distribution of neutral hydrogen in the region 230°?lII?280°.- 27. Radial velocities of neutral hydrogen in the anticenter region of the Galaxy.- 28. Radioobservations of some details in the Hi local spiral arm.- 29. Hydrogen in the regions of four stellar clusters.- 30. The distribution in galactic longitude of observable pulsars.- 31. Pulsar distances, spiral structure and the interstellar medium.- 32. On the physical conditions in interstellar Hi gas.- B. Optical Observations.- 33. Local stellar distribution and galactic spiral structure.- 34. Remarks on local structure and kinematics.- 35. Galactic clusters and Hii regions.- 36. A new interpretation of the galactic structure from Hii regions.- 37. The distribution of Hii regions in the local spiral arm in the direction of Cygnus.- 38. Reflection nebulae and spiral structure.- 39. The galactic structure and the appearance of the Milky Way.- 40. The study of the Milky Way integrated spectrum and the spiral structure of the Galaxy.- 41. Space distribution of interstellar dust in connection with the galactic spiral structure.- 42. A comparison of the density gradients of main sequence stars obtained by two different methods in different galactic latitudes.- 43. The galactic distribution of young Cepheids.- 44. A progress report on the Carina spiral feature.- 45. The space distribution of the OB-type stars in Carina.- 46. Photometric investigation of the association Car OB 2.- 47. Photometric and spectroscopic data for some distant O and B stars.- 48. Progress report on the Cleveland-Chile survey for southern OB stars.- 49. A study of O and B stars in Vela, along the galactic equator.- 50. Progress report of the current research on the galactic structure in Vela.- 51. Calibration of 4-color and H? photometry for B- and A-type stars.- 52. Wolf-Rayet stars, ring-type Hii regions, and spiral structure.- 53. Stellar rings and galactic structure.- 54. Radial velocities ofearly-type stars.- 55. The velocity dispersions of O- and B-stars within a few kpc.- 56. On the distribution of space velocities of OB-stars.- 57. Questions concerning the usefulness and feasibility of large-scale stellar statistics.- III / Theory of Spiral Structure.- A. Normal Spirals.- 58. Gravitational theories of spiral structure.- 59. The theory of spiral structure of galaxies.- 60. Small amplitude density waves on a flat galaxy.- 61. The propagation and absorption of spiral density waves.- 62. Large scale oscillations of galaxies.- 63. Generating mechanisms for spiral waves.- 64. Spiral waves caused by a passage of the LMC?.- 65. Non-linear density waves in pressureless disks.- 66. Density waves in galaxies of finite thickness.- 67. Particle resonance in a spiral field.- B. Barred Spirals.- 68. Barred spiral galaxies.- 69. Structure and dynamics of barred spiral galaxies with an asymmetric mass distribu­tion.- C. Numerical Experiments.- 70. Numerical experiments in spiral structure.- 71. Computer models of spiral structure.- IV / Comparison of Theory and Observations.- A. Gravitational Effects.- 72. Interpretation of large-scale spiral structure.- 73. Theoretical 21-cm line profiles: Comparison with observations.- 74. Neutral hydrogen in the Sagittarius and Scutum spiral arms.- 75. Large-scale galactic shock phenomena and the implications on star formation.- 76. Deviation of the vertex of the velocity ellipse of young stars and its connection with spiral structure.- 77. Possible influence of the galactic spiral structure on the local distributions of stellar residual velocities.- 78. Additional evidence for the cataclysmic origin of spiral structure in galaxies.- B. Magnetic Effects.- 79. Magnetic fields and spiral structure.- 80. On the circulation of gas nearthe galactic center.- 81. Magnetohydrodynamical models of helical magnetic fields in spiral arms.- 82. Local magnetic field and its relation to the local spiral arm structure.- 83. Polarization of southern OB-stars.- 84. On a corollary to the magnetic dipole theory of the origin of spiral structure.- V.- 85. Summary and outlook.- 86. Desiderata for future work.

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