Hostname: page-component-586b7cd67f-2plfb Total loading time: 0 Render date: 2024-11-29T15:52:18.078Z Has data issue: false hasContentIssue false
  • English
  • Français

A new interpretation of the galactic structure from H II regions

Published online by Cambridge University Press:  14 August 2015

Y.P. G. Courtès ,
Y.M. Georgelin  and
G. Monnet
Y.P. G. Courtès
Affiliation:
Observatoire de Marseille, Laboratoire d'Astronomie Spatiale, Marseille, France
Y.M. Georgelin
Affiliation:
Observatoire de Marseille, Laboratoire d'Astronomie Spatiale, Marseille, France
G. Monnet
Affiliation:
Observatoire de Marseille, Laboratoire d'Astronomie Spatiale, Marseille, France

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

From 6000 optical radial velocities of H II regions a new spiral structure (4 arms of pitch angle 20°) is found. The radial velocities of the observed H II regions are the same with the velocities of the H I regions. The kinematics of H II regions is similar to that of Cepheids and B stars.

Type
Part II/Observations of Spiral Structure in Our Galaxy
Information
Symposium - International Astronomical Union , Volume 38: The Spiral Structure of our Galaxy , 1970 , pp. 209 - 212
Copyright
Copyright © Reidel 1970 

References

Becker, W.: 1963, Z. Astrophys. 57, 117.Google Scholar
Courtès, G.: 1952, Compt. Rend. Acad. Sci. Paris 234, 506.Google Scholar
Courtès, G.: 1959, Compt. Rend. Acad. Sci. Paris 248, 2953.Google Scholar
Courtès, G.: 1960, Ann. Astrophys. 28, 683.Google Scholar
Courtès, G., Georgelin, Y.P. and Monnet, Y.M., Monnet, G., and Pourcelot, A.: 1968, in Interstellar Ionized Hydrogen (ed. by Terzian, Y.), Benjamin, New York.Google Scholar
Courtès, G., Georgelin, Y.P. and Georgelin, Y.M., and Monnet, G.: 1969, Astrophys. Letters 4, 129.Google Scholar
Cruvellier, P.: 1967, Ann. Astrophys. 30, 1059.Google Scholar
Feast, M. W. and Shuttleworth, M.: 1965, Monthly Notices Roy. Astron. Soc. 130, 245.CrossRefGoogle Scholar
Georgelin, Y.: 1969, Ph.D. Thesis.Google Scholar
Kerr, F.: 1969, Australian J. Phys. Astrophys. Suppl. No. 9, 1.Google Scholar
Kerr, F. and Westerhout, G.: 1965, Stars and Stellar Systems 5, 167.Google Scholar
Kerr, F. and Hindman, J.: 1966, Symposium on Radio and Optical Studies of the Galaxy, Mt. Strömlo Obs., Canberra, p. 90.Google Scholar
Kraft, R. P. and Schmidt, M.: 1963, Astrophys. J. 137, 247.CrossRefGoogle Scholar
Lyngå, G.: 1964–1965, Medd. Lunds astr. Obs., Ser. II, Nos 139, 140, 141, 142, 143.Google Scholar
Oort, J. H., Kerr, F. J., and Westerhout, G.: 1958, Monthly Notices Roy. Astron. Soc. 118, 319.Google Scholar