William I. Hartkopf

The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog

Brian D. Mason, G. L. Wycoff, William I. Hartkopf et al. · The Astronomical Journal · 2001 · 937 citations · Full text

Search For Extraterrestrial Intelligence, Astronomical Coordinate System, Photometry +11

S$\mathsf{_{B^9}}$: The ninth catalogue of spectroscopic binary orbits

D. Pourbaix, Andreï Tokovinin, Alan H. Batten et al. · Astronomy and Astrophysics · 2004 · 629 citations · Full text

Photometry, Astrostatistics, Astroinformatics +5

ICCD Speckle Observations of Binary Stars. XIX. An Astrometric/Spectroscopic Survey of O Stars

Brian D. Mason, Douglas R. Gies, William I. Hartkopf et al. · The Astronomical Journal · 1998 · 576 citations · Full text

Astronomical Coordinate System, Photometry, Engineering +13

First Results from the CHARA Array. II. A Description of the Instrument

Theo A. ten Brummelaar, Harold A. McAlister, Stephen T. Ridgway et al. · The Astrophysical Journal · 2005 · 476 citations · Full text

SPECKLE INTERFEROMETRY AT THE BLANCO AND SOAR TELESCOPES IN 2008 AND 2009

Andreï Tokovinin, Brian D. Mason, William I. Hartkopf · The Astronomical Journal · 2010 · 362 citations · Full text

Engineering, Astrostatistics, Speckle Interferometric Measurements +16