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Open Cluster System: Kinematics, Orbits

Published online by Cambridge University Press:  07 August 2017

E. M. Nezhinskij ,
L. P. Ossipkov  and
S.A. Kutuzov
E. M. Nezhinskij
Affiliation:
Institute for Theoretical Astronomy, Saint Petersburg, Russia
L. P. Ossipkov
Affiliation:
Saint Petersburg State University, Saint Petersburg, Russia
S.A. Kutuzov
Affiliation:
Saint Petersburg State University, Saint Petersburg, Russia

Extract

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This study is based on the catalogue of 69 open clusters by Barkhatova et al. (1987) and cluster distances taken from Hagen (1970). Most of the dimensionless characteristics discussed here are insensitive to the distance scale. Galactocentric cylindrical coordinates of clusters and the corresponding velocities have been calculated with the accepted galactocentric distance of the Sun R⊙ = 8.2 kpc and the galactocentric velocity of the Sun sR = −9 km/s, sθ = 228 km/s, sz = 7 km/s.

Type
Poster Papers
Information
Symposium - International Astronomical Union , Volume 164: Stellar Populations , 1995 , pp. 374 - 375
Copyright
Copyright © Kluwer 1995 

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