[1] Univ Autonoma Madrid, Fac Ciencias, Dpto Fis Teor, E-28049 Madrid, Spain
[2] ESA ESAC Gaia SOC, Madrid 28691, Spain
[3] Ctr Astrobiol INTA CSIC, Madrid 28691, Spain
[4] Univ Liege, Inst Astrophys & Geophys, B-4000 Sart Tilman Par Liege, Belgium
[5] UJF Grenoble 1 CNRS INSU, IPAG, F-38041 Grenoble, France
[6] European Space Observ, Santiago 19, Chile
[7] Max Planck Inst Astron, D-69117 Heidelberg, Germany
[8] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[9] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[10] Inst Nacl Astrofis Opt & Electr, Puebla, Mexico
[11] ES TEC SRE, ESA Astrophys & Fundamental Phys Miss Div, NL-2201 AZ Noordwijk, Netherlands
[12] Inst Astrophys, D-07745 Jena, Germany
[13] Univ Jena, D-07745 Jena, Germany
[14] Onsala Space Observ, Chalmers Univ Technol, Dept Earth & Space Sci, SE-43992 Onsala, Sweden
[15] Univ Gottingen, Inst Astrophys, D-37077 Gottingen, Germany
[16] LESIA, Observ Paris, F-92195 Meudon, France
[17] Univ Kiel, Inst Theoret Phys & Astrophys, D-24098 Kiel, Germany
[18] CALTECH, NASA, Herschel Sci Ctr, Pasadena, CA 91125 USA
[19] CALTECH, NASA, ExoPlanet Sci Inst, Pasadena, CA 91125 USA
[20] ISDEFE ESAC, Madrid 28691, Spain
[21] Univ Complutense Madrid, Fac Ciencias Fis, Dpt Astrofis, E-28040 Madrid, Spain
[22] Stockholm Univ, AlbaNova Univ Ctr, Dept Astron, S-10691 Stockholm, Sweden
[23] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA
[24] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England
[25] Open Univ, Dept Phys & Astrophys, Milton Keynes MK7 6AA, Bucks, England
[26] Ctr Astron Hispano Aleman, Calar Alto Observ, Almeria 04004, Spain
[27] Nagoya Univ, Nagoya, Aichi 4648601, Japan
[28] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
[29] Univ Groningen, Kapteyn Astron Inst, NL-9700 AV Groningen, Netherlands
[30] ESAC ESA, Herschel Sci Ctr, Madrid 28691, Spain
[31] Observ Cote Azur, F-06304 Nice 4, France
[32] Japan Aerosp Explorat Agcy JAXA, ISAS, Chuo Ku, Sagamihara, Kanagawa 2525210, Japan
[33] Inst Ciencies Espai CSIC IEEC, Fac Ciencias, Barcelona 08193, Spain
[34] ESA ESAC, Sci Arch Team, Madrid 28691, Spain