Maximum likelihood estimation of the mean parallax and kinematic parameters of the Pleiades.

Details Maximum likelihood estimation of the mean parallax and kinematic parameters of the Pleiades. Maximum likelihood estimation of the mean parallax and kinematic parameters of the Pleiades.

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997acasn..38..113l&link_type=abstract

Acta Astron. Sin., Vol. 38, No. 2, p. 113 - 118

Astronomy and Astrophysics

Astronomy

Open Clusters: Kinematics, Open Clusters: Parallaxes, Open Clusters: Distances

Scientific paper

A new approach for the simultaneous determination of the distance and kinematic parameters as well as their dispersions in a moving cluster is applied to the Pleiades cluster. The authors have obtained that the distance of the cluster is d = 135.56±0.72 pc with the dispersion σd = 7.66±0.80 pc, its space velocity V = 25.94±0.13 km/s with the dispersion σd = 0.58±0.09 km/s, and the coordinates of the convergent point are (A, D) = (101°95±0°47, -41°36±0°29).

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