On 1 December 2015, l’Observatoire de Paris hosted the inauguration of the Gamma-ray Cherenkov Telescope (GCT) prototype. The GCT will detect very high-energy gamma rays for the world’s largest gamma ray observatory, the Cherenkov Telescope Array (CTA).  The event was held at the Observatory’s Meudon site with speeches and presentations by representatives from l&r...

On 26 November 2015, a prototype telescope proposed for the Cherenkov Telescope Array, the Gamma-ray Cherenkov Telescope (GCT), recorded CTA’s first ever Cherenkov light while undergoing testing at l’Observatoire de Paris in Meudon, France. The GCT is proposed as one of CTA’s small size telescopes (SSTs), covering the high end of the CTA energy range, between about 1 ...