Radial velocities, rotations, and duplicity of a sample of early F-type dwarfs

Details Radial velocities, rotations, and duplicity of a sample of early F-type dwarfs Radial velocities, rotations, and duplicity of a sample of early F-type dwarfs

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26as..126...21n&link_type=abstract

A & A Supplement series, Vol. 126, November II 1997, 21-30.

Astronomy and Astrophysics

Astronomy

43

Methods: Statistical, Techniques: Radial Velocities, Stars: Binaries: Spectroscopic, Stars: Kinematics, Galaxy: Solar Neighbourhood

Scientific paper

We present new radial and rotational velocities for 595 nearby early F dwarfs, based on digital spectra cross-correlated with individually optimised synthetic template spectra. The selection of optimum templates, the determination of rotational velocities, and the extraction of velocities from the blended spectra of double-lined spectroscopic binaries are discussed in some detail. We find 170 spectroscopic binaries in the sample and determine orbits for 18 double-lined and 2 single-lined binaries, including some spectroscopic triples. 73 stars are listed with too rapid rotation to yield useful radial velocities (i.e. v sin i > 120 km~s^-1). We discuss the binary frequency in the sample, and the influence of unrecognised binaries on the definition of clean metallicity groups of young F dwarfs and the determination of their kinematical properties. Tables 1, 5 and 6 are only available, and Tables 2-4 also available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/Abstract.html.

Affiliated with

Also associated with

No associations

Rating

Radial velocities, rotations, and duplicity of a sample of early F-type dwarfs does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Radial velocities, rotations, and duplicity of a sample of early F-type dwarfs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radial velocities, rotations, and duplicity of a sample of early F-type dwarfs will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1683452