[1
]Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University,
Ny Munkegade 120, DK-8000 Aarhus C, Denmark
[2
]Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2-12-1
Ookayama, Meguro-ku, Tokyo 152-8551, Japan
[3
]Dipartimento di Fisica, Università di Torino, via P. Giuria 1, I-10125 Torino, Italy
[4
]Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts
Institute of Technology, Cambridge, MA 02139, USA
[5
]Department of Astrophysical Sciences, Princeton University, 4 Ivy Lane, Princeton,
NJ 08544, USA
[6
]Instituto de Astrofísica de Canarias, C/ Vía Láctea s/n, E-38205 La Laguna, Spain
[7
]Thüringer Landessternwarte Tautenburg, Sternwarte 5, D-07778 Tautenberg, Germany
[8
]Astrobiology Center, NINS, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
[9
]National Astronomical Observatory of Japan, NINS, 2-21-1 Osawa, Mitaka, Tokyo 181-8588,
Japan
[10
]Zentrum für Astronomie und Astrophysik, Technische Universität Berlin, Hardenbergstr.
36, D-10623 Berlin, Germany
[11
]Department of Astronomy, Graduate School of Science, The University of Tokyo, Hongo
7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
[12
]Astronomy Department and Van Vleck Observatory, Wesleyan University, Middletown, CT
06459, USA
[13
]European Southern Observatory, Alonso de Córdova 3107, Vitacura, Casilla, 19001 Santiago
de Chile, Chile
[14
]Institute of Planetary Research, German Aerospace Center, Rutherfordstrasse 2, D-12489
Berlin, Germany
[15
]Department of Astronomy and McDonald Observatory, University of Texas at Austin, 2515
Speedway, Stop C1400, Austin, TX 78712, USA
[16
]Departamento de Astrofísica, Universidad de La Laguna, E-38206, Tenerife, Spain
[17
]Department of Space, Earth and Environment, Chalmers University of Technology, Onsala
Space Observatory, SE-439 92 Onsala, Sweden
[18
]Leiden Observatory, Leiden University, NL-2333CA Leiden, the Netherlands
[19
]Rheinisches Institut für Umweltforschung an der Universität zu Köln, Aachener Strasse
209, D-50931 Köln, Germany
[20
]ZAH-Landessternwarte Heidelberg, Königstuhl 12, D-69117 Heidelberg, Germany
[21
]Institute of Geological Sciences, FU Berlin, Malteserstr. 74-100, D-12249 Berlin,
Germany
[22
]Center for Astronomy and Astrophysics, TU Berlin, Hardenbergstr. 36, D-10623 Berlin,
Germany
[23
]Max-Planck-Institut für Astronomie, Königstuhl 17, D-69117 Heidelberg, Germany