Dynamical study of wide pairs of stars based on data from the WDS catalog

Details Dynamical study of wide pairs of stars based on data from the WDS catalog Dynamical study of wide pairs of stars based on data from the WDS catalog

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008astl...34..405k&link_type=abstract

Astronomy Letters, Volume 34, Issue 6, pp.405-412

Astronomy and Astrophysics

Astronomy

1

Scientific paper

Using the method of apparent motion parameters, we have studied the relative motion of the components in 561 pairs of wide ( ρ > 2″) and relatively nearby (Hipparcos parallaxes > 0.01″) visual double stars based on data from the WDS catalog. The minimum masses of the double stars have been calculated at given parallaxes. We have identified 358 optical pairs. For 11 stellar pairs, we have found the minimum mass to exceed the estimate corresponding to their spectral types and luminosities. This excess is 5 7 M &sun; for two stars, ADS 7446 and 9701.

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