Paranal Science Operations (PSO) is the department of the European Southern Observatory responsible for the scientific operation of the telescopes at the Paranal Observatory site. These facilities ...

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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 ...

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 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 ...

Based on the FAIR principles to make data Findable, Accessible, Interoperable, and Reusable, publications making use of ESO observational data must include the following statement in a footnote or in ...

VISTA (Visible and Infrared Survey Telescope for Astronomy) is a 4-m class specialized wide field survey telescope for the southern hemisphere, equipped with a near infrared camera VIRCAM (VISTA ...

The telescope structure is an alt-az mount (see Figure 1) and it is divided into two main parts: the Azimuth Structure and the Altitude Structure. The main structure, including the hosted units and ...

OmegaCAM is the wide-field imager for the Cassegrain focus of the VLT Survey Telescope (VST) on Paranal, a 2.6m modified Ritchey-Chretien alt-az telescope designed specifically for wide-field imaging.

The FEROS instrument is a state-of-the-art bench-mounted, high-resolution, environmentally controlled, astronomical Échelle spectrograph. It is opertated at the European Southern Observatory (ESO) in ...

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 ...

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 ...