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Proper motions in the field of the globular cluster NGC 6934.
DOI: 10.1002/asna.2103150605
Bibcode: 1994AN....315..419T
Tucholke, H. -J.
We measured relative proper motions with a typical accuracy of 1.0 millarcsec/year (mas/a) for 2000 stars in a 1.4 deg x 1.4 deg field around the low-latitude globular cluster NGC 6934. Four plates taken with the Bonn double refractor, spanning an epoch difference of 62 years, were digitized completely. Within the tidal radius of the cluster, we f…
1994
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Astronomische Nachrichten
Hipparcos
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