505 |
00 |
$t The Washington double star catalog, 2006.5 / $r Brian D. Mason, Gary L. Wycoff, and William I. Hartkopf -- $t Sixth catalog of orbits of visual binary stars/ $r William I. Hartkopf and Brian D. Mason -- $t Fourth catalog of interferometric measurements of binary stars / $r William I. Hartkopf, Brian D. Mason, Gary L. Wycoff, and Harold A. McAlister -- $t The second photometric magnitude difference catalog / $r Brian D. Mason, Gary L. Wycoff and William I. Hartkopf -- $t Catalog of rectilinear elements of visual double stars / $r William I. Hartkopf, Brian D. Mason, Gary L. Wycoff and Dean Kang -- $t Double star astronomy at the U.S. Naval Observatory |