[1
] Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University,
Ny Munkegade 120, DK-8000 Aarhus C, Denmark
[2
] Institut für Astrophysik, Georg-August-Universität Göttingen, Friedrich-Hund-Platz
1, D-37077 Göttingen, Germany
[3
] Max-Planck-Institut für Sonnensystemforschung, Justus-von-Liebig-Weg 3, D-37077 Göttingen,
Germany
[4
] Oxford Astrophysics, University of Oxford, Denys Wilkinson Building, Keble Rd, Oxford
OX1 3RH, UK
[5
] Instituut voor Sterrenkunde, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
[6
] Department of Astrophysics, IMAPP, Radboud University Nijmegen, PO Box 9010, NL-6500
GL Nijmegen, the Netherlands
[7
] Center for High Angular Resolution Astronomy and Department of Physics and Astronomy,
Georgia State University, PO Box 5060, Atlanta, GA 30302-410, USA
[8
] Institute for Astronomy, University of Hawai‘i, 2680 Woodlawn Drive, Honolulu, HI
96822, USA
[9
] Sydney Institute for Astronomy (SIfA), School of Physics, University of Sydney, NSW
2006, Australia
[10
] SETI Institute, 189 Bernardo Avenue, Mountain View, CA 94043, USA
[11
] The CHARA Array of Georgia State University, Mount Wilson Observatory, Mount Wilson,
CA 91023, USA
[12
] NASA Ames Research Center, Moffett Field, CA 94035, USA
[13
] Bay Area Environmental Research Inst., 560 Third St., West Sonoma, CA 95476, USA
[14
] Laboratoire AIM, CEA/DRF - CNRS - Univ. Paris Diderot - IRFU/SAp, Centre de Saclay,
F-91191 Gif-sur-Yvette Cedex, France
[15
] Research School of Astronomy & Astrophysics, Australian National University, Canberra,
ACT 2611, Australia
[16
] Center for Space Science, NYUAD Institute, New York University Abu Dhabi, PO Box
129188, Abu Dhabi, UAE