The Centro de Estudios de Física del Cosmos de Aragón (CEFCA) is a Research institute in Teruel, Spain. Established in 2008 as a private foundation of public initiative. by the Government of Aragon. Besides research in astronomy, and leading several large astronomical surveys, CEFCA is the operator of the Astrophysical Observatory of Javalambre (OAJ, recognized as Unique Science and Technology Infrastructure by the national government). The primary research interests at CEFCA are in Stellar evolution, Time-domain astronomy and Galaxy evolution.