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Visual Orbit, Differential Photometry, and Dynamical Mass of DG Leo
Tamazian, Vakhtang S.
A new orbital solution with a significantly improved accuracy for the elements, differential photometry, and dynamical mass is presented for the visual binary DG Leo, which consists of a spectroscopic binary and a δ Scuti star. Some dynamical and astrophysical implications of the newly obtained results are discussed. In particular, due to possibly…
Establishing Observational Baselines for Two δ Scuti Variables: V966 Herculis and V1438 Aquilae
Hintz, Eric G.; Rose, Michael B.; Bush, Tabitha C. +1 more
We have examined the previously understudied δ Scuti stars V966 Herculis and V1438 Aquilae. We find that V966 Her is a stable pulsator with a refined period of 0.1330302 days with a full V amplitude of 0.096 mag. We also find that V966 Her has an average radial velocity of +7.8 km s-1, a full radial velocity amplitude of 7.6 km s-1…