A Study on the Interpretation of the Dynamical Properties of the High Velocity Stars

Details A Study on the Interpretation of the Dynamical Properties of the High Velocity Stars A Study on the Interpretation of the Dynamical Properties of the High Velocity Stars

Dec 1971

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1971jkas....4....1l&link_type=abstract

Journal of the Korean Astronomical Society, vol. 4, no. 1, p. 1-8

Astronomy and Astrophysics

Astronomy

Scientific paper

The average velocity, 330 km/sec, of the high velocity stars with respect to the galactic center is obtained from the data used by Fricke on the assumption that the rotational velocity of the Local Standard of Rest is 250 km/sec. Comparing this value with the escape velocity, 380 km/sec, at the solar neighborhood which is calculated from Mestel's model of the Galaxy, it is shown that most of the high velocity stars are bound to the Galaxy and that their average apogalacticon is about 40 kpc from the galactic center. And the fact that stars with radial velocities larger than 68 km/sec are missing in the direction of galactic rotation of L.S.R. is interpreted as the result partly of the random distribution of the directions of motion of the high velocity stars and partly of the observational errors.

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