Report of IAU Commission 30 on Radial Velocities (2009-2012)

TL;DR

This report summarizes advances and ongoing efforts in radial velocity measurements, surveys, and applications in stellar and binary star studies, highlighting progress toward higher precision and standardization from 2009 to 2012.

Contribution

It provides a comprehensive overview of recent developments, standards, and resources in the field of stellar radial velocities during 2009-2012.

Findings

Progress in high-precision radial velocity techniques

Development of radial velocity standards and catalogs

Application of radial velocities to binary star research

Abstract

Brief summaries are given of the following subjects of interest to IAU Commission 30: Large-scale radial-velocity surveys; The role of radial-velocity measurements in studies of stellar angular momentum evolution and stellar age; Radial velocities in open clusters; Toward higher radial-velocity precision; High-precision radial velocities applied to studies of binary stars; Doppler boosting effect; Working groups (Stellar radial velocity bibliography; Radial velocity standards; Catalogue of orbital elements of spectroscopic binaries [SB9]).