Report of IAU Commission 30 on Radial Velocities (2006-2009)

TL;DR

This report summarizes advancements and current status in radial velocity measurements across various astrophysical contexts, including exoplanet detection, stellar and galactic surveys, and methodological improvements from 2006 to 2009.

Contribution

It provides a comprehensive overview of progress, challenges, and collaborative efforts in radial velocity research during this period.

Findings

Progress toward detecting Earth-mass exoplanets.

Development of higher precision radial velocity techniques.

Large-scale surveys enhancing understanding of galactic structure.

Abstract

Brief summaries are given on the following subjects: Radial velocities and exoplanets (Toward Earth-mass planets; Retired A stars and their planets; Current status and prospects); Toward higher radial velocity precision; Radial velocities and asteroseismology; Radial velocities in Galactic and extragalactic clusters; Radial velocities for field giants; Galactic structure -- Large surveys (The Geneva-Copenhagen Survey; Sloan Digital Sky Survey; RAVE); Working groups (WG on radial velocity standards; WG on stellar radial velocity bibliography; WG on the catalogue of orbital elements of spectroscopic binaries [SB9]).