Radial velocity curve of HD 189733

Extra-solar planet search programs require high-precision velocity measurements. They need to study how to disentangle radial-velocity variations due to Doppler motion from the...系外行星（Extra-solar planet）搜寻计划需要高精度速度测量。此类研究需要探索如何将多普勒运动（Doppler motion）引发的径向速度变化（radial-velocity variations）与[...]分离开来。