https://catalogue-scientifique.canada.ca/record=2064660~S6*frc
Rechercher Harris, H. C; Rechercher Canzian, B; Rechercher Dahn, C. C; Rechercher Guetter, H. H; Rechercher Henden, A. A; Rechercher Levine, S. E; Rechercher Luginbuhl, C. B; Rechercher Monet, Alice K. B; Rechercher Monet, D. G; Rechercher Munn, J. A
naval observatory washington dc, 2005
The accuracy of trigonometric parallaxes from the U.S. Naval Observatory (USNO) has continued to improve. An optical CCD camera is used regularly on the...
Publication gouvernementale