Accurate Radial Velocities of 2284 FGKM Stars and 127 Standards

Details Accurate Radial Velocities of 2284 FGKM Stars and 127 Standards Accurate Radial Velocities of 2284 FGKM Stars and 127 Standards

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21743412c&link_type=abstract

American Astronomical Society, AAS Meeting #217, #434.12; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We present radial velocities with an accuracy of 0.1 km/s for 2284 stars of spectral type F,G,K, and M, based on 29000 spectra taken with the Keck I telescope. We also present 127 FGKM standard stars, all of which exhibit constant radial velocity within 0.01 km/s (RMS) for at least 10 years. All velocities are measured relative to the solar system barycenter and are placed on the velocity scale of Nidever et al (2002). Comparison of our absolute radial velocities with IAU standards shows agreement within 0.1 km/s. Small zero-point differences from the different spectrometers are well characterized. The quoted radial velocities contain no corrections for convective blueshift or gravitational redshift. The radial velocities presented here serve as standards for all-sky surveys such as Gaia and RAVE.

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