Pulsars in the Hyades supercluster

Astronomy and Astrophysics – Astronomy

Scientific paper

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Main Sequence Stars, Pulsars, Star Clusters, Stellar Motions, White Dwarf Stars, Radial Velocity, Stellar Color, Stellar Luminosity

Scientific paper

A table is presented which lists some of the observed properties of the pulsars PSRO329+54 and 1929+10 in the Hyades supercluster, as determined from a recent compilation of radio interferometry data by Manchester and Taylor (1981). Values are given for Supercluster parallax errors, dispersion measures, mean electron density along the line of sight, and for the trigonometric parallaxes. It is found that the data support the conclusion that PSRO329+54 and 1929+10 are members of the supercluster. The A-type stars in the Supercluster indicate the possibility of two epochs of star-formation near -10 to the 9th and -(5 to 7) x 10 to the 8th years. The characteristic ages p/2 p-dot are: 5.5 x 10 to the 6th for PSRO329+54; and 3.1 x 10 to the 6th years for 1929+10.

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