Abstract
We determine if the orbits of the galactic globular clusters can be circular, using a spherical logarithmic potential. If they are not, we calculate their perigalactic distances and we deduce a pseudo-eccentricity. Using a numerical and geometrical method, we obtain the minimum of all the possible pseudo-eccentricities for each cluster. The corresponding perigalactic distances are compared with the values given by Innanen et al. (1983) with a different method.
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References
Harris, W.E. and Racine, R. (1979) Ann. Rev. Astron. Astrophys. 17, 241.
Innanen, K.A., Harris, W.E., Webbink, R.F. (1983) Astron. J. 88, 338.
Rastorguev, A.S. and Surdin, V.G. (1980) Astron. Tsirk., N° 1102.
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© 1985 International Astronomical Union
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Colin, J. (1985). Minimum of the Eccentricity of the Galactic Globular Cluster Orbits. In: Goodman, J., Hut, P. (eds) Dynamics of Star Clusters. International Astronomical Union. Symposium, vol 113. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5335-2_33
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DOI: https://doi.org/10.1007/978-94-009-5335-2_33
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-277-1965-2
Online ISBN: 978-94-009-5335-2
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