William van Altena

William van Altena's picture
Professor Emeritus Astronomy (retired)
william.vanaltena@yale.edu
Mailing Addresss: 
P.O. Box 208101, New Haven, CT 06520-8101
(203) 432-3020
Research: 
Galactic Astronomy, Kinematics, Galactic Structure, Instrumentation, Solar and Stellar Astrophysics, Stellar Populations
Bio: 

Professor of Astronomy 1974-2007

Professor Emeritus 2007

Research activities

  • Stellar parallaxes and proper motions, membership in star clusters using proper motions
  • Hubble Space Telescope Astrometry Team 1972-2010
  • Phase B Team Leader, Phase C Team member
  • Parallaxes of Hyades Cluster members for cluster distance determination
  • Parallaxes of miscellaneous astrophysically interesting stars
  • Director of the Yale Southern Observatory 1974-2015, San Juan, Argentina
  • Observatory donated to collaborating University of San Juan, Argentina in 2015 on completion and publication of research project; Absolute proper motions of 100 million stars and galaxies, 2015.

Retired from research in 2015 and is now living in Argentina.