Radial Velocities of RR Lyrae Stars

Details Radial Velocities of RR Lyrae Stars Radial Velocities of RR Lyrae Stars

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007apjs..171..512j&link_type=abstract

The Astrophysical Journal Supplement Series, Volume 171, Issue 2, pp. 512-519.

Astronomy and Astrophysics

Astronomy

5

Stars: Fundamental Parameters

Scientific paper

We report 84 radial velocities for 36 field RR Lyrae variable stars. The typical uncertainty of a single velocity is estimated at +/-0.5 km s-1. Our sample consists of variables with insufficient pre-existing data for reliable center-of-mass radial velocity determinations. We have computed center-of-mass velocities from our new velocities using RR Lyr velocity templates. The center-of-mass radial velocities have a typical uncertainty of +/-1.5 km s-1 for variables observed at least three times.

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