This project is part of the Spanish participation in the great infrastructure called CTA ("Cherenkov Telescope") Array "or Cherenkov Telescope Network). This project, which originated almost a decade ago, is participated by all the global community of very high energy gamma rays; around 1500 scientists and engineers over from 30 countries and from all continents. The CTA project is considered high priority on the European roadmap of large scientific infrastructures ESFRI (European Strategy Forum on Research Infrastructures), APPEC (Astroparticle Physics European Coordiation), of Astronet (network that agglutinates the leading funding agencies of the astronomy in Europe), as well as those of the major countries of the world that investigate in gamma ray astronomy. CTA will consist of two observatories, one in the northern hemisphere and another in the south, which will cover all the sky. It aims to encompass a sensitivity and a range of energies in the spectrum electromagnetic (among tens of Giga-electron volts -GeV- and hundreds of Teraelectronvolt-TeV-); an order of magnitude greater than that of generation of telescopes current CTA will allow to develop completely the scientific-technological potential of this new field of Astrophysics and will open the door to new and unexpected discoveries in Astrophysics, Fundamental Physics and Cosmology. The North node will be located in the Observatory of Roque de los Muchachos (ORM) del Instituto de Astrofísica de Canarias, on the island of La Palma, and will consist of a network of 19 telescopes, four of them large (LST;23 meters in diameter), which constitute the object of this request, and 15 of medium size(MST, 12 meters in diameter).The Spanish scientific community that participates in the CTA project is a very community consolidated and of world prestige, that carries more of 25 years working with facilities pioneers in the field of lightning astronomy gamma from the ORM.
The CTA is an initiative which is planning the construction of a new generation of Cherenkov Telescopes to study the universe in very high energy gamma-rays. Gamma-rays carry information about the most violent and extreme events in the universe.