Fundamental effective temperature measurements for eclipsing binary stars – III. SPIRou near-infrared spectroscopy and CHEOPS photometry of the benchmark G0V star EBLM J0113+31

Monthly Notices of the Royal Astronomical Society

Abstract

Abstract EBLM J0113+31 is moderately bright (V=10.1), metal-poor ([Fe/H] ≈−0.3) G0V star with a much fainter M dwarf companion on a wide, eccentric orbit (=14.3 d). We have used near-infrared spectroscopy obtained with the SPIRou spectrograph to measure the semi-amplitude of the M dwarf’s spectroscopic orbit, and high-precision photometry of the eclipse and transit from the CHEOPS and TESS space missions to measure the geometry of this binary system. From the combined analysis of these data together with previously published observations we obtain the following model-independent masses and radii: M1 = 1.029 ± 0.025M⊙, M2 = 0.197 ± 0.003M⊙, R1 = 1.417 ± 0.014R⊙, R2 = 0.215 ± 0.002R⊙. Using R1 and the parallax from Gaia EDR3 we find that this star’s angular diameter is θ = 0.0745 ± 0.0007 mas. The apparent bolometric flux of the G0V star corrected for both extinction and the contribution from the M dwarf (<0.2 per cent) is ${\mathcal {F}}_{\oplus ,0} = (2.62\pm 0.05)\times 10^{-9}$ erg cm−2 s−1. Hence, this G0V star has an effective temperature Teff, 1 = 6124 K ± 40 K (rnd.) ± 10 K (sys.). EBLM J0113+31 is an ideal benchmark star that can be used for “end-to-end” tests of the stellar parameters measured by large-scale spectroscopic surveys, or stellar parameters derived from asteroseismology with PLATO. The techniques developed here can be applied to many other eclipsing binaries in order to create a network of such benchmark stars.

Authors 74

1. Pierre F L Maxted corresponding

   Keele University

   Affiliation as printed

   Astrophysics Group, Keele University, Keele, Staffordshire ST5 5BG, UK

2. N J Miller

   Keele University

   Affiliation as printed

   Astrophysics Group, Keele University, Keele, Staffordshire ST5 5BG, UK

3. S. Hoyer

   Centre National de la Recherche Scientifique · Aix-Marseille Université

   Affiliation as printed

   Aix Marseille Univ, CNRS, CNES, LAM, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France

4. V. Adibekyan

   Universidade do Porto · Institute of Astrophysics and Space Sciences · Centro de Astrofísica da Universidade do Porto

   Affiliation as printed

   Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, Portugal

   Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, P-4150-762 Porto, Portugal

5. S. G. Sousa

   Universidade do Porto · Institute of Astrophysics and Space Sciences · Centro de Astrofísica da Universidade do Porto

   Affiliation as printed

   Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, Portugal

   Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, P-4150-762 Porto, Portugal

6. N. Billot

   University of Geneva

   Affiliation as printed

   Observatoire Astronomique de l’Université de Genéve, Chemin Pegasi 51, Versoix, Switzerland

7. A. Fortier

   University of Bern · Center for Space and Habitability

   Affiliation as printed

   Center for Space and Habitability, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

   Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

   Center for Space and Habitability, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

   Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

8. Attila E. Simon

   University of Bern

   Affiliation as printed

   Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

   Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

9. Andrew Collier Cameron

   University of St Andrews

   Affiliation as printed

   Centre for Exoplanet Science, SUPA School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews KY16 9SS, UK

10. M I Swayne

    Keele University

    Affiliation as printed

    Astrophysics Group, Keele University, Keele, Staffordshire ST5 5BG, UK

11. P. Gutermann

    Centre National de la Recherche Scientifique · Aix-Marseille Université · Institut National des Sciences de l'Univers

    Affiliation as printed

    Aix Marseille Univ, CNRS, CNES, LAM, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France

    Division Technique INSU, CS20330, 83507 La Seyne sur Mer cedex, France

12. Amaury H. M. J. Triaud

    University of Birmingham

    Affiliation as printed

    School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK

13. John H. Southworth

    Keele University

    Affiliation as printed

    Astrophysics Group, Keele University, Keele, Staffordshire ST5 5BG, UK

14. Yann Alibert

    University of Bern

    Affiliation as printed

    Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

    Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

15. R. Alonso

    Universidad de La Laguna · Instituto de Astrofísica de Canarias

    Affiliation as printed

    Departamento de Astrofisica, Universidad de La Laguna, 38206 La Laguna, Tenerife, Spain

    Instituto de Astrofisica de Canarias, 38200 La Laguna, Tenerife, Spain

    Departamento de Astrofisica, Universidad de La Laguna, E-38206 La Laguna, Tenerife, Spain

    Instituto de Astrofisica de Canarias, E-38200 La Laguna, Tenerife, Spain

16. T Bárczy
    Affiliation as printed

    Admatis, 5. Kandó Kálmán Street, 3534 Miskolc, Hungary

17. D. Barrado

    Centro de Astrobiología

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    Depto. de Astrofisica, Centro de Astrobiologia (CSIC-INTA), ESAC campus, 28692 Villanueva de la Cañada (Madrid), Spain

18. S. C. C. Barros

    Universidade do Porto · Institute of Astrophysics and Space Sciences · Centro de Astrofísica da Universidade do Porto

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    Departamento de Fisica e Astronomia, Faculdade de Ciencias, Universidade do Porto, Rua do Campo Alegre, 4169-007 Porto, Portugal

    Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, Portugal

    Departamento de Fisica e Astronomia, Faculdade de Ciencias, Universidade do Porto, Rua do Campo Alegre, P-4169-007 Porto, Portugal

    Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, P-4150-762 Porto, Portugal

19. W. Baumjohann

    Austrian Academy of Sciences · Space Research Institute

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    Space Research Institute, Austrian Academy of Sciences, Schmiedlstrasse 6, A-8042 Graz, Austria

20. M. Beck

    University of Geneva

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    Observatoire Astronomique de l’Université de Genéve, Chemin Pegasi 51, Versoix, Switzerland

21. T. Beck

    University of Bern

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    Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

    Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

22. W. Benz

    University of Bern · Center for Space and Habitability

    Affiliation as printed

    Center for Space and Habitability, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

    Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

    Center for Space and Habitability, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

    Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

23. Xavier Bonfils

    Centre National de la Recherche Scientifique · Institut de Planétologie et d'Astrophysique de Grenoble · Université Grenoble Alpes

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    Université Grenoble Alpes, CNRS, IPAG, 38000 Grenoble, France

24. A. Brandeker

    Stockholm University · AlbaNova

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    Department of Astronomy, Stockholm University, AlbaNova University Center, 10691 Stockholm, Sweden

    Department of Astronomy, Stockholm University, AlbaNova University Center, SE-10691 Stockholm, Sweden

25. Christopher H. Broeg

    University of Bern · Center for Space and Habitability

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    Center for Space and Habitability, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

    Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

    Center for Space and Habitability, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

    Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

26. M. Buder

    Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)

    Affiliation as printed

    Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstrasse 2, 12489 Berlin, Germany

    Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstrasse 2, D-12489 Berlin, Germany

27. J. Cabrera

    Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)

    Affiliation as printed

    Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstrasse 2, 12489 Berlin, Germany

    Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstrasse 2, D-12489 Berlin, Germany

28. S. Charnoz

    Centre National de la Recherche Scientifique · Institut de physique du globe de Paris · Université Paris Cité

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    Université de Paris, Institut de physique du globe de Paris, CNRS, F-75005 Paris, France

29. C. Corral van Damme

    European Space Agency · European Space Research and Technology Centre

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    ESTEC, European Space Agency, 2201AZ, Noordwijk, NL

    ESTEC, European Space Agency, NL-2201AZ Noordwijk, The Netherlands

30. Sz. Csizmadia

    Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)

    Affiliation as printed

    Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstrasse 2, 12489 Berlin, Germany

    Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstrasse 2, D-12489 Berlin, Germany

31. M. B. Davies

    Lund University

    Affiliation as printed

    Centre for Mathematical Sciences, Lund University, Box 118, 221 00 Lund, Sweden

    Centre for Mathematical Sciences, Lund University, Box 118, SE-221 00 Lund, Sweden

32. M. Deleuil

    Centre National de la Recherche Scientifique · Aix-Marseille Université

    Affiliation as printed

    Aix Marseille Univ, CNRS, CNES, LAM, 38 rue Frédéric Joliot-Curie, 13388 Marseille, France

33. L. Delrez

    University of Liège

    Affiliation as printed

    Astrobiology Research Unit, Université de Liége, Allée du 6 Août 19C, B-4000 Liége, Belgium

    Space sciences, Technologies and Astrophysics Research (STAR) Institute, Université de Liége, Allée du 6 Août 19C, 4000 Liége, Belgium

34. Olivier D S Demangeon

    Universidade do Porto · Institute of Astrophysics and Space Sciences · Centro de Astrofísica da Universidade do Porto

    Affiliation as printed

    Departamento de Fisica e Astronomia, Faculdade de Ciencias, Universidade do Porto, Rua do Campo Alegre, 4169-007 Porto, Portugal

    Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, Portugal

    Departamento de Fisica e Astronomia, Faculdade de Ciencias, Universidade do Porto, Rua do Campo Alegre, P-4169-007 Porto, Portugal

    Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, P-4150-762 Porto, Portugal

35. Brice-Olivier Demory

    Center for Space and Habitability

    Affiliation as printed

    Center for Space and Habitability, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

    Center for Space and Habitability, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

36. David Ehrenreich

    University of Geneva

    Affiliation as printed

    Observatoire Astronomique de l’Université de Genéve, Chemin Pegasi 51, Versoix, Switzerland

37. L. Fossati

    Austrian Academy of Sciences · Space Research Institute

    Affiliation as printed

    Space Research Institute, Austrian Academy of Sciences, Schmiedlstrasse 6, A-8042 Graz, Austria

38. Malcolm C. Fridlund Aachen Leiden Observatory

    Leiden University · Leiden Observatory · Chalmers University of Technology

    Affiliation as printed

    Department of Space, Earth and Environment, Chalmers University of Technology, Onsala Space Observatory, 43992 Onsala, Sweden

    Leiden Observatory, University of Leiden, PO Box 9513, 2300 RA Leiden, The Netherlands

    Department of Space, Earth and Environment, Chalmers University of Technology, Onsala Space Observatory, SE-43992 Onsala, Sweden

    Leiden Observatory, University of Leiden, PO Box 9513, NL-2300 RA Leiden, The Netherlands

39. D. Gandolfi

    University of Turin

    Affiliation as printed

    Dipartimento di Fisica, Universita degli Studi di Torino, via Pietro Giuria 1, I-10125, Torino, Italy

40. M. Gillon

    University of Liège

    Affiliation as printed

    Astrobiology Research Unit, Université de Liége, Allée du 6 Août 19C, B-4000 Liége, Belgium

41. Kevin Heng

    University of Warwick · Center for Space and Habitability

    Affiliation as printed

    Center for Space and Habitability, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

    Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom

    Center for Space and Habitability, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

42. J E Hernández Leon

    Airbus (Spain)

    Affiliation as printed

    Airbus defence and Space, Avenida de Aragon 404, 28022 Madrid, Spain

    Airbus defence and Space, Avenida de Aragon 404, E-28022 Madrid, Spain

43. K. G. Isaak

    European Space Agency · European Space Research and Technology Centre

    Affiliation as printed

    Science and Operations Department - Science Division (SCI-SC), Directorate of Science, European Space Agency (ESA), European Space Research and Technology Centre (ESTEC), Keplerlaan 1, 2201-AZ Noordwijk, The Netherlands

44. L. L. Kiss

    Eötvös Loránd University · Konkoly Observatory · HUN-REN Research Centre for Astronomy and Earth Sciences

    Affiliation as printed

    ELTE Eötvös Loránd University, Institute of Physics, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary

    Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, 1121 Budapest, Konkoly Thege Miklós út 15-17, Hungary

45. J. Laskar

    Centre National de la Recherche Scientifique · Université Paris Sciences et Lettres · Observatoire de Paris · Institut de Mécanique Céleste et de Calcul des Éphémérides

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    IMCCE, UMR8028 CNRS, Observatoire de Paris, PSL Univ., Sorbonne Univ., 77 av. Denfert-Rochereau, 75014 Paris, France

    IMCCE, UMR8028 CNRS, Observatoire de Paris, PSL Univ., Sorbonne Univ., 77 av. Denfert-Rochereau, F-75014 Paris, France

46. Alain Lecavelier des Etangs

    Centre National de la Recherche Scientifique · Institut d'Astrophysique de Paris · Université Pierre-et-Marie-Curie

    Affiliation as printed

    Institut d’astrophysique de Paris, UMR7095 CNRS, Université Pierre, and Marie Curie, 98bis blvd. Arago, 75014 Paris, France

47. M. Lendl

    University of Geneva

    Affiliation as printed

    Observatoire Astronomique de l’Université de Genéve, Chemin Pegasi 51, Versoix, Switzerland

48. Christophe Lovis

    University of Geneva

    Affiliation as printed

    Observatoire Astronomique de l’Université de Genéve, Chemin Pegasi 51, Versoix, Switzerland

49. Demetrio Magrin

    Osservatorio Astronomico di Padova

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    INAF, Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, 35122 Padova, Italy

    INAF, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy

50. Matteo Munari

    Osservatorio Astrofisico di Catania

    Affiliation as printed

    INAF, Osservatorio Astrofisico di Catania, Via S. Sofia 78, 95123 Catania, Italy

    INAF, Osservatorio Astrofisico di Catania, Via S. Sofia 78, I-95123 Catania, Italy

51. V. Nascimbeni

    Osservatorio Astronomico di Padova

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    INAF, Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, 35122 Padova, Italy

    INAF, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy

52. Göran Olofsson

    Stockholm University · AlbaNova

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    Department of Astronomy, Stockholm University, AlbaNova University Center, 10691 Stockholm, Sweden

    Department of Astronomy, Stockholm University, AlbaNova University Center, SE-10691 Stockholm, Sweden

53. R. Ottensamer

    University of Vienna

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    Department of Astrophysics, University of Vienna, Tuerkenschanzstrasse 17, 1180 Vienna, Austria

    Department of Astrophysics, University of Vienna, Tuerkenschanzstrasse 17, A-1180 Vienna, Austria

54. I. Pagano

    Osservatorio Astrofisico di Catania

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    INAF, Osservatorio Astrofisico di Catania, Via S. Sofia 78, 95123 Catania, Italy

    INAF, Osservatorio Astrofisico di Catania, Via S. Sofia 78, I-95123 Catania, Italy

55. E Pallé

    Instituto de Astrofísica de Canarias

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    Instituto de Astrofisica de Canarias, 38200 La Laguna, Tenerife, Spain

    Instituto de Astrofisica de Canarias, E-38200 La Laguna, Tenerife, Spain

56. Gisbert Peter

    Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)

    Affiliation as printed

    Institute of Optical Sensor Systems, German Aerospace Center (DLR), Rutherfordstrasse 2, 12489 Berlin, Germany

    Institute of Optical Sensor Systems, German Aerospace Center (DLR), Rutherfordstrasse 2, D-12489 Berlin, Germany

57. G. Piotto

    University of Padua · Osservatorio Astronomico di Padova

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    Dipartimento di Fisica e Astronomia ”Galileo Galilei”, Universita degli Studi di Padova, Vicolo dell’Osservatorio 3, 35122 Padova, Italy

    INAF, Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, 35122 Padova, Italy

    Dipartimento di Fisica e Astronomia 'Galileo Galilei', Universita degli Studi di Padova, Vicolo dell'Osservatorio 3, I-35122 Padova, Italy

    INAF, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy

58. Donald L. Pollacco

    University of Warwick

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    Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, United Kingdom

59. Didier P. Queloz

    University of Cambridge · ETH Zurich

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    Cavendish Laboratory, JJ Thomson Avenue, Cambridge CB3 0HE, UK

    ETH Zurich, Department of Physics, Wolfgang-Pauli-Strasse 2, CH-8093 Zurich, Switzerland

60. Roberto Ragazzoni

    University of Padua · Osservatorio Astronomico di Padova

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    Dipartimento di Fisica e Astronomia ”Galileo Galilei”, Universita degli Studi di Padova, Vicolo dell’Osservatorio 3, 35122 Padova, Italy

    INAF, Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, 35122 Padova, Italy

    Dipartimento di Fisica e Astronomia 'Galileo Galilei', Universita degli Studi di Padova, Vicolo dell'Osservatorio 3, I-35122 Padova, Italy

    INAF, Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy

61. N. Rando

    European Space Agency · European Space Research and Technology Centre

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    ESTEC, European Space Agency, 2201AZ, Noordwijk, NL

    ESTEC, European Space Agency, NL-2201AZ Noordwijk, The Netherlands

62. Heike Rauer

    Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR) · Technische Universität Berlin · Freie Universität Berlin

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    Center for Astronomy and Astrophysics, Technical University Berlin, Hardenberstrasse 36, 10623 Berlin, Germany

    Institut für Geologische Wissenschaften, Freie Universität Berlin, 12249 Berlin, Germany

    Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstrasse 2, 12489 Berlin, Germany

    Center for Astronomy and Astrophysics, Technical University Berlin, Hardenberstrasse 36, D-10623 Berlin, Germany

    Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstrasse 2, D-12489 Berlin, Germany

63. I. Ribas

    Institute of Space Sciences · Institut d'Estudis Espacials de Catalunya

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    Institut de Ciencies de l’Espai (ICE, CSIC), Campus UAB, Can Magrans s/n, 08193 Bellaterra, Spain

    Institut d’Estudis Espacials de Catalunya (IEEC), 08034 Barcelona, Spain

    Institut d'Estudis Espacials de Catalunya (IEEC), E-08034 Barcelona, Spain

    Institut de Ciencies de l'Espai (ICE, CSIC), Campus UAB, Can Magrans s/n, E-08193 Bellaterra, Spain

64. Nuno C. Santos

    Universidade do Porto · Institute of Astrophysics and Space Sciences · Centro de Astrofísica da Universidade do Porto

    Affiliation as printed

    Departamento de Fisica e Astronomia, Faculdade de Ciencias, Universidade do Porto, Rua do Campo Alegre, 4169-007 Porto, Portugal

    Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, 4150-762 Porto, Portugal

    Departamento de Fisica e Astronomia, Faculdade de Ciencias, Universidade do Porto, Rua do Campo Alegre, P-4169-007 Porto, Portugal

    Instituto de Astrofisica e Ciencias do Espaco, Universidade do Porto, CAUP, Rua das Estrelas, P-4150-762 Porto, Portugal

65. G. Scandariato

    Osservatorio Astrofisico di Catania

    Affiliation as printed

    INAF, Osservatorio Astrofisico di Catania, Via S. Sofia 78, 95123 Catania, Italy

    INAF, Osservatorio Astrofisico di Catania, Via S. Sofia 78, I-95123 Catania, Italy

66. D Ségransan

    University of Geneva

    Affiliation as printed

    Observatoire Astronomique de l’Université de Genéve, Chemin Pegasi 51, Versoix, Switzerland

67. Alexis M. S. Smith

    Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)

    Affiliation as printed

    Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstrasse 2, 12489 Berlin, Germany

    Institute of Planetary Research, German Aerospace Center (DLR), Rutherfordstrasse 2, D-12489 Berlin, Germany

68. M Steinberger

    Austrian Academy of Sciences · Space Research Institute

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    Space Research Institute, Austrian Academy of Sciences, Schmiedlstrasse 6, A-8042 Graz, Austria

69. M. Steller

    Austrian Academy of Sciences · Space Research Institute

    Affiliation as printed

    Space Research Institute, Austrian Academy of Sciences, Schmiedlstrasse 6, A-8042 Graz, Austria

70. Gy M SzabÃ

    Eötvös Loránd University

    Affiliation as printed

    ELTE Eötvös Loránd University, Institute of Physics, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary

    MTA-ELTE Exoplanet Research Group, 9700 Szombathely, Szent Imre h. u. 112, Hungary

71. N. Thomas

    University of Bern

    Affiliation as printed

    Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, 3012 Bern, Switzerland

    Physikalisches Institut, University of Bern, Gesellsschaftstrasse 6, CH-3012 Bern, Switzerland

72. Stéphane Udry

    University of Geneva

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    Observatoire Astronomique de l’Université de Genéve, Chemin Pegasi 51, Versoix, Switzerland

73. V. Van Grootel

    University of Liège

    Affiliation as printed

    Space sciences, Technologies and Astrophysics Research (STAR) Institute, Université de Liége, Allée du 6 Août 19C, 4000 Liége, Belgium

74. Nicholas A. Walton

    University of Cambridge

    Affiliation as printed

    Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge, CB3 0HA, United Kingdom