1.2k citations · 3.1k across the 42 of their papers we have counts for
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astro-ph2008★ 58 cited
Common Proper Motion Companions to Nearby Stars: Ages and Evolution
V. V. Makarov, N. Zacharias, G. S. Hennessy
A set of 41 nearby stars (closer than 25 pc) is investigated which have very wide binary and common proper motion (CPM) companions at projected separations between 1000 and $200 00…
astro-ph2008★ 13 cited
The StarScan plate measuring machine: overview and calibrations
Norbert Zacharias, Lars Winter, Ellis Holdenried +3
The StarScan machine at the U.S. Naval Observatory (USNO) completed measuring photographic astrograph plates to allow determination of proper motions for the USNO CCD Astrograph Ca…