Radial velocities for selected southern high-velocity stars

Details Radial velocities for selected southern high-velocity stars Radial velocities for selected southern high-velocity stars

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979aj.....84.1553a&link_type=abstract

Astronomical Journal, vol. 84, Oct. 1979, p. 1553-1556.

Other

6

Radial Velocity, Stellar Motions, Stellar Structure, Line Spectra, Metallic Stars, Southern Hemisphere, Tables (Data), Velocity Measurement

Scientific paper

Radial velocities for more than 100 southern high-velocity stars from the catalog of Buscombe and Morris (1958) are obtained by using both direct and image-tube UBV spectroscopy. The observational procedure and data reduction technique are described. Two stars on the observing list are found to have enormous radial velocities and very weak metallic lines: LTT 2571, with a radial velocity of +346 km/s, and LTT 2625, with a radial velocity of +301 km/s. Other unusual objects discovered include LTT 2813, which reaches over 100 kpc from the galactic center with an orbital eccentricity of 0.85, and LTT 8376, which travels about the galactic center in a retrograde orbit with large energy. It is noted that LTT 2813 and LTT 8376, as well as nearly all other objects on the list, display normal or nearly normal metallic lines.

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