Astronomers have accurately measured the diameter of the faraway dwarf planet Eris for the first time by catching it as it passed in front of a faint star. This event was seen at the end of 2010 by ...

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 ...

E-ELT PUBLICATIONS AND DOCUMENTATION Project documents E-ELT Top Level Requirements Observatory Instruments ELT-CAM (now MICADO) ELT-IFU (now HARMONI) ELT-MIDIR (now METIS) ELT-HIRES (now ANDES) ...

Several teams provide support in regard to ESO's telescopes and instruments, e.g. support for observing proposal preparation and submission, observation scheduling, data flow operation, information ...

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 ...

The 2.2m telescope at La Silla has been in operation since early 1984 and is on indefinite loan to ESO from the Max Planck Gesellschaft. The telescope time is shared between the MPI and ESO Observers.

The European Extremely Large Telescope (ELT) is motivated by a wide range of scientific challenges encountered by modern astronomy. This section of the ELT web pages aims to provide information about ...

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 ...

The ESO 3.6m Telescope was commissioned in 1977, and completely upgraded in 1999. In 2004 a new secondary mirror cell was manufactured, improving considerably the image quality of the telescope. In ...

The 3.6m New Technology Telescope (NTT) saw first light in March 1989. CCD frames were obtained on which stellar images had FWHM diameters of 0.33, indicating the excellent imaging quality of this ...

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 ...

alpha(2000) = 08h 43m 13.46s , delta(2000) = +03d 23' 55.1'' ...