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Young galactic clusters and the rotation curve of our Galaxy

Published online by Cambridge University Press:  04 August 2017

J. Hron  and
H. M. Maitzen
J. Hron
Affiliation:
Institut für Astronomie der Universität Wien
H. M. Maitzen
Affiliation:
Institut für Astronomie der Universität Wien

Extract

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The most recent determination of Oort's galactic rotation constant ‘A’ from open clusters was made by Taff and Littleton (1972). They obtained A=15 km/s/kpc, but unfortunately they omitted a detailed description of their cluster sample. For the present work we compiled a catalogue of O-B3 clusters for which radial velocities and distances are available. The individual cluster references given by Janes and Adler (1982) have been used to find best distances for the clusters. Radial velocities were taken from the list of Dr. Wramdemark (private communication) and from Hron et al. (1984). The catalogue contains 105 clusters distributed over the four galactic quadrants as 16:27:35:27.

Type
PART II: COMPOSITION, STRUCTURE AND KINEMATICS
Information
Symposium - International Astronomical Union , Volume 106: The Milky Way Galaxy , 1985 , pp. 105 - 106
Copyright
Copyright © Reidel 1985 

References

References:

Hron, H., Maitzen, H.M., Moffat, A.F.J., Schmidt-Kaler, Th.: 1984 (in prep.) Google Scholar
Janes, K., Adler, D.: 1982, Astrophys. J. Suppl. Ser. 49, 425 Google Scholar
Taff, L.G., Littleton, J.E.: 1972, Astron. Astrophys. 21, 443 Google Scholar