Essential cookies (always active): These cookies are strictly necessary for the proper functioning of our website. Without ...

HARPS is the ESO facility for the measurement of radial velocities with the highest accuracy currently available. It is fibre-fed by the Cassegrain focus of the 3.6m telescope in La Silla. The ...

PIONIER is a H-band 4-beam combiner instrument at the VLT interferometer. It is originally a visitor instrument that by agreement with IPAG is offered to the ESO community from P96 onwards as a ...

Proposals for observing time on all facilities of the La Silla Paranal Observatory (VLT/I, NTT, 3.6m) must be submitted using the p1 web system: The new p1 user interface collects the same information ...

The prime objective of the Spectro-Polarimetric High-contrast Exoplanet Research (SPHERE) instrument for the VLT is the discovery and study of new extra-solar giant planets orbiting nearby stars by ...

Telescope time for ESO telescopes at the La Silla Paranal Observatory is allocated twice a year in periods of 6 months. Allocation periods run from 1 October through 31 March, and from 1 April through ...

ESO's ruling body is its Council, which delegates day to day responsibility to the Executive under ESO's Director General. Other governing bodies of ESO are: the Finance Committee (FC), the Scientific ...

HARPS, the High Accuracy Radial velocity Planet Searcher at the ESO La Silla 3.6m telescope is dedicated to the discovery of extrasolar planets. It is a fibre-fed high resolution echelle spectrograph.

ESO's mission is to provide its astronomical community with worldwide competitive ground-based observing capabilities to probe the Universe from its first billion year to the present time. In order to ...

The ESO Science Newsletter is intended to keep the community informed about current activities of interest at ESO. The newsletter appears roughly every two to three months or whenever important news ...

Further Tools can be found on the Science Users Information Tools and Services pages.

alpha(2000) = 02h 28m 09.54s , delta(2000) = +08d 27' 36.2'' ...