Six New Galactic Orbits of Globular Clusters in a Milky-Way-Like Galaxy

2) ((1) Instituto de Astronomia; (2) Institute for Theoretical Physics; Barbara Pichardo (1; Christine Allen (1); Edmundo Moreno (1); M\'exico; Switzerland.); Universidad Nacional Autonoma de Mexico; University of Zurich

arxiv: 0710.5526 · v1 · submitted 2007-10-29 · 🌌 astro-ph

Six New Galactic Orbits of Globular Clusters in a Milky-Way-Like Galaxy

Christine Allen (1) , Edmundo Moreno (1) , Barbara Pichardo (1 , 2) ((1) Instituto de Astronomia , Universidad Nacional Autonoma de Mexico , M\'exico , (2) Institute for Theoretical Physics , University of Zurich

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Switzerland.)

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classification 🌌 astro-ph

keywords galacticclustersorbitspotentialdiscussedgalaxyglobularabsolute

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Absolute proper motions for six new globular clusters have recently been determined. This motivated us to obtain the Galactic orbits of these six clusters both in an axisymmetric Galactic potential and in a barred potential, such as the one of our Galaxy. Orbits are also obtained for a Galactic potential that includes spiral arms. The orbital characteristics are compared and discussed for these three cases. Tidal radii and destruction rates are also computed and discussed.

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Six New Galactic Orbits of Globular Clusters in a Milky-Way-Like Galaxy

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