First radial velocities for 146 bright F- and G-type stars

Details First radial velocities for 146 bright F- and G-type stars First radial velocities for 146 bright F- and G-type stars

Oct 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apjs...94..677a&link_type=abstract

The Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 94, no. 2, p. 677-685

Astronomy and Astrophysics

Astrophysics

10

Binary Stars, F Stars, G Stars, Radial Velocity, Astronomical Catalogs, Astronomical Spectroscopy, Stellar Luminosity, Velocity Measurement

Scientific paper

We have obtained an average of 5.7 radial velocities for 146 northern stars of types F and G (all luminosity classes) listed in 'A Supplement to the Bright Star Catalogue' as having no previously known radial velocity measures. Those were obtained with charge coupled devices (CCDs) and a cross-correlation technique; the intrinsic velocity accuracy, based on stars of apparently constant velocity, is probably less than +/- 0.3 km/s per mean. Of those stars 14% are newly discovered SB2 stars. The prevelance of rapid profile variations (in minutes or hours) in most of the broad-lined F-type stars makes it difficult to obtain accurate measures for them.

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