your ID: 0207 First Name: Fausto Last Name: Vagnetti Affiliation: Universita` di Roma Tor Vergata Title: Continuum and Emission-line Variability of High Luminosity Quasars Authors: Vagnetti, F., Trevese, D., Paris, D., Stirpe, G., Zitelli, V. Topic: 5 Session: poster Abstract: We report about our ongoing echo-mapping campaign of PG 1247+268 and PG 1634+706 aimed at the determination of the masses of the central black holes. We detect continuum and line variability in both objects despite their high luminosities (L > ~2*10^46 erg/s).