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Space distribution of 156 galactic star clusters and of 61 HII regions*

Published online by Cambridge University Press:  14 August 2015

W. Becker
W. Becker*
Affiliation:
Astronomische Anstalt, Basel-Binningen

Extract

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The galactic star clusters are today the only objects whose individual distances and ages can be determined rather precisely. Therefore the space distribution as a function of time can be studied. In case they form a spiral structure, the lifetime of such a structure can be studied too.

Type
Section 1: The Galaxy
Information
Symposium - International Astronomical Union , Volume 20: The Galaxy and the Magellanic Clouds , 1964 , pp. 16 - 18
Copyright
Copyright © Australian Academy of Science 1964 

References

Becker, W. (1961).— Zs. f. Ap. 51: 151–62.Google Scholar
Hoag, A. A., Johnson, H. L., Iriarte, B., Mitchell, R. I., Hallam, K. L., and Sharpless, S. (1961).— Publ. U.S. Naval Obs. 17: 345–542.Google Scholar