Institution: | Section of Astrophysics, Astronomy and Mechanics, University of Athens, 15784 Zografos, Athens, Greece;Institute for Astronomy, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh EH9 3HJ;Physics Department, Queen Mary and Westfield College, Mile End Road, London E1 4NS;Joint Astronomy Centre, 660 N. A'ohōkūPlace, University Park, Hilo, Hawaii 96 720, USA |