https://catalogue-scientifique.canada.ca/record=2181887~S6*frc
Rechercher Evans, Nancy R; Rechercher Schaefer, Gail; Rechercher Bond, Howard E; Rechercher Nelan, Edmund; Rechercher Bono, Giuseppe; Rechercher Karovska, Margarita; Rechercher Wolk, Scott; Rechercher Sasselov, Dimitar D; Rechercher Guinan, Edward; Rechercher Engle, Scott
naval observatory washington dc, 2006
Polaris, the nearest and brightest classical Cepheid, is a member of at least a triple system. It has a wide (18") physical companion, the F-type dwarf Polaris...
Publication gouvernementale