What is HARPS?

HARPS Instrument

View into the open vacuum vessel hosting the spectrograph. The core of the instrument, the echelle grating, is visible in the foreground.

HARPS, is the High-Accuracy Radial-velocity Planet Searcher installed and operated at the ESO La Silla 3.6m telescope. It is a fibre-fed high-resolution echelle spectrograph of exceptional precision, which led to many extra-ordinary discoveries in the domain of extra-solar planets. More information can be found on the sub-articles of this page