Affiliation: | Department of Physics, Jadwin Hall, Princeton University, Princeton, NJ 08544, USA;Astronomical Observatory, Jagiellonian University, Orla 171, 30-244 Kraków, Poland;Princeton University Observatory, Princeton University, Princeton, NJ 08544, USA;Apache Point Observatory, 2001 Apache Point Road, Sunspot, NM 88349-0059, USA;Department of Physics and Astronomy, Johns Hopkins University, 3701 San Martin Drive, Baltimore, MD 21218, USA;University of Pittsburgh, Department of Physics and Astronomy, 3941 O'Hara Street, Pittsburgh, PA 15260, USA;Department of Physics, Eötvös University, Budapest, Pf. 32, H-1518, Hungary |