Analysis of periodic perturbations in the multiple system ADS 15571

Details Analysis of periodic perturbations in the multiple system ADS 15571 Analysis of periodic perturbations in the multiple system ADS 15571

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ap.....49..397g&link_type=abstract

Astrophysics, Volume 49, Issue 3, pp.397-404

Astronomy and Astrophysics

Astrophysics

4

Stars, Binaries, Visual &Mdash, Individual, Ads 15571

Scientific paper

The visual binary star ADS 15571 has been observed with the 26″ refractor at Pulkovo since 1960. Periodic perturbations in the relative motion of the components are studied in this paper. The visible motion of the component B was resolved into orbital motion of the barycenter relative to component A and an elliptical motion of the photocenter relative to the barycenter. The visible ellipse of the photocenter motion is used to determine the elements of the orbit by the direct geometric method of A. A. Kiselev and estimate the perturbing mass. The minimum mass of the invisible companion is 0.62 M&sun;.

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