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HD 3614


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The kinematical and binary properties of association and field O stars
A catalog of 195 Galactic O-type stars brighter than V = 8.0 mag hasbeen compiled to compare the velocity distribution and binary frequencyamong cluster and association, field, and runaway stars. Both the fieldstars and runaway stars have a larger dispersion in peculiar radialvelocity, a more positive mean peculiar radial velocity, and a widerz-distribution than stars found in clusters and associations, which isconsistent with the ejection of field and runaway stars from theirbirthplaces in associations. Visual binaries are common among stars inclusters and associations, but their incidence is a factor of 2 loweramong field stars, and they are absent in the runaway stars. Similarly,there is a deficiency of spectroscopic binaries among field stars, andespecially the runaway stars, relative to the numbers found in clustersand associations. Many of these properties can be understood in terms ofejection through close gravitational interactions with binary starsduring an early high number density epoch in the evolution of clusters.

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Observation and Astrometry data

Constellation:Ύδρος
Right ascension:00h37m06.14s
Declination:-79°04'56.2"
Apparent magnitude:10.151
Proper motion RA:14.9
Proper motion Dec:0
B-T magnitude:10.53
V-T magnitude:10.183

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 3614
TYCHO-2 2000TYC 9354-297-1
USNO-A2.0USNO-A2 0075-00111774
HIPHIP 2925

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