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Young globular clusters in the Milky Way GalaxyRuprecht 106 and Pal 12 are two known globular clusters in the Milky Way that are unequivocally younger than other clusters of similar metallicity. The Galactic coordinates of Ruprecht 106 place it near to the Magellanic Stream in projection, suggesting a tidal capture from the Magellanic Clouds. It is demonstrated that a family of orbits for both clusters can be constructed that are consistent with this capture hypothesis and that these then lead to a prediction of 3 milliarcseconds per year for the proper motions of both Ruprecht 106 and Pal 12.
Document ID
19920050419
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Lin, D. N. C.
(NASA Headquarters Washington, DC United States)
Richer, Harvey B.
(Cambridge University Institute of Astronomy, United Kingdom)
Date Acquired
August 15, 2013
Publication Date
April 1, 1992
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters
Volume: 388
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
92A33043
Funding Number(s)
CONTRACT_GRANT: NSF INT-90-24676
CONTRACT_GRANT: NSF AST-89-14173
Distribution Limits
Public
Copyright
Other

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