Cherenkov Telescope Array: Construction, science case and the case for open science
Ulisses Barres de Almeida (CBPF)

CTA will be the major global observatory for VHE gamma-ray astronomy over the next decade and beyond. The scientific potential of CTA is extremely broad: from understanding the role of relativistic cosmic particles, to the search for dark matter. CTA is an explorer of the extreme universe, probing environments from the immediate neighbourhood of black holes, to cosmic voids on the largest scales. Covering photon energies from 20 GeV to 300 TeV, CTA will improve on all aspects of the performance with respect to current instruments, surveying the high-energy sky hundreds of times faster than previous TeV telescopes. This talk will present the science of CTA and discuss its design infrastructure from the point of view of the potential improved performance of the array by means of multi-objective optimisation of the telescopes positions on the ground, employing evolutionary algorithms. Finally, the talk will conclude by describing how the concept of an open space science initiative can stimulate and increase the availability and usability of astronomical data, extending the potential of scientific discovery of observatories like CTA in the context of the new multi-wavelength and multi-messenger astrophysics.