The High Accuracy Radial Velocity Planet Searcher is a high-precision echelle planet-finding spectrograph installed in 2002 on the ESO's 3.6m telescope at La Silla Observatory in Chile. The first light was achieved in February 2003. From Wikipedia
Researchers identify HD 20794 d, a rocky exoplanet 20 light-years away, as a potential candidate for hosting liquid water.
