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Neutral hydrogen in extragalactic systems

Published online by Cambridge University Press:  14 August 2015

Louise Volders  and
H. C. Van De Hulst
Louise Volders
Affiliation:
Leiden Observatory, The Netherlands
H. C. Van De Hulst
Affiliation:
Leiden Observatory, The Netherlands

Extract

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In the past two years several extragalactic systems were observed for 21-cm emission with the 25-meter telescope at Dwingeloo. The results on the Andromeda nebula (mainly points along the major axis) have already been published [1]. Observations of M 33 and M 101 are finished, a few other systems are still being observed.

Type
Part IV: The Large-Scale Structure of Galaxies
Information
Symposium - International Astronomical Union , Volume 9: Paris Symposium on Radio Astronomy , 1959 , pp. 423 - 430
Copyright
Copyright © Stanford University Press 1959 

References

1. van de Hulst, H. C., Raimond, E., and van Woerden, H. B.A.N. 14, 1, 1957.Google Scholar
2. van de Hulst, H. C. Publication of Solvay Congress , Brussels 1958. (In press.) Google Scholar
3. Humason, M. L., Mayall, N. U., and Sandage, A. R. A.J. 61, 97, 1956.CrossRefGoogle Scholar
4. Mayall, N. U., and Aller, L. H. Ap. J. 95, 5, 1942.CrossRefGoogle Scholar
5. Dieter, N. H. , , March 1958.Google Scholar