Ministerio de Economía y Competitividad Gobierno de Canarias Universidad de La Laguna CSIC Centro de Excelencia Severo Ochoa

Technological Development Projects


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EST (The Large Aperture European Solar Telescope).

The EST is a pan-European project involving 29 partners, plus 9 collaborating institutions, from 15 different countries, and presently in its Conceptual Design Study financed by the European Commission. The project is promoted by the European Association for Solar Telescopes (EAST), a consortium with the aim, among others, of undertaking the development of the telescope, to keep Europe in the frontier of Solar Physics.

Project Websites: and

EST LogoEST will be a 4-meter class solar telescope, to be located in the Canary Islands observatories. The current objective of the project is the elaboration of the Design Study for the future Large European Solar Telescope development.

The result of the study will be a conceptual design that should demonstrate the scientific, technical and economic feasibility of the Telescope with its instrumentation. The telescope design will be optimised for studies of the magnetic coupling between the deep photosphere and upper chromosphere, what will require diagnostics of the thermal, dynamic and magnetic properties of the plasma over many scale heights. To achieve this goal, the design will require the simultaneous development of the telescope design and the instrumentation capable to acquire images in multiple wavelengths, spectroscopy and spectropolarimetry.


One of the main performance or the EST instruments is the high number of visible and infrared channels which must works simultaneously, optimizing the photon flux efficiency and taking into account the diagnostic capabilities of other solar telescopes, existing and futures, groundbased and space located. With this aim, the EST instruments must provide high spatial and temporal resolution and produce two-dimensional spectra.

The knowledge of the 29 partners and the 9 collaborators (14 research institutions and 15 industrial partners of related technical fields) ranges over the whole field of technique and science needed for the Design Study. The IAC is the project coordinator institution.

ShabarTo address the definition of the project, the tasks to be performed have been divided into 11 work packages (WP), and every WP is leaded by one partner responsible. Besides the whole project coordination and management (WP01000), the IAC is also responsible or the scientific requirements (WP02000), the instruments (WP07000), the site characterization (WP08000) and the financial feasibility and socio-economic impact (WP11000) of the EST. Other sub-WP in which the IAC devotes resources are: the secondary mirror, the detectors, the wavefront reconstruction and the telescope building.

Project Manager: Angeles Pérez de Taoro
PI y co-PI: Manuel Collados Vera, Héctor Socas Navarro
Participating engineers: Ariadna Calcines, José Javier Díaz, Félix Gracia, Christine Grivel, Elvio Hernández, Roberto López, Yolanda Martín, Iciar Montilla, Esperanza Páez, José Peñate, Luis Fernando Rodríguez, José Marco de la Rosa, Jorge Sánchez-Capuchino.

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