Euclid will be the first space mission to survey most of the extragalactic sky in the 0.95-2.02 µm range, to a 5 σ point-source median depth of 24.4 AB mag...

The Euclid mission will conduct an extragalactic survey over 15 000 deg 2 of the extragalactic sky. The spectroscopic channel of the Near-Infrared Spectrometer...

This work focusses on the pilot run of a simulation campaign aimed at investigating the spectroscopic capabilities of the Euclid Near-Infrared Spectrometer and...

The current standard model of cosmology successfully describes a variety of measurements, but the nature of its main ingredients, dark matter and dark energy...

This paper presents the specification, design, and development of the Visible Camera (VIS) on the European Space Agency's Euclid mission. VIS is a large optical...

The Near-Infrared Spectrometer and Photometer (NISP) on board the Euclid satellite provides multiband photometry and R ≳ 450 slitless grism spectroscopy in the...

The near-infrared calibration unit (NI-CU) on board Euclid's Near-Infrared Spectrometer and Photometer (NISP) is the first astronomical calibration lamp based...

In this paper, the present status of the development of the design of the European Solar Telescope is described. The telescope is devised to have the best...

OSIRIS, the main optical (360-1000nm) 1st-generation instrument for GTC, is being integrated. Except for some grisms and filters, all main optical components...