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Constraining the re...
Constraining the reflective properties of WASP-178 b using CHEOPS photometry
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- Pagano, I. (author)
- Istituto nazionale di astrofisica (INAF),Osservatorio Astrofisico di Catania
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- Scandariato, Gaetano (author)
- Istituto nazionale di astrofisica (INAF)
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- Singh, V. (author)
- Istituto nazionale di astrofisica (INAF)
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show more...
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- Lendl, M. (author)
- Université de Genève,University of Geneva
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- Queloz, D. (author)
- University Of Cambridge,Eidgenössische Technische Hochschule Zürich (ETH),Swiss Federal Institute of Technology in Zürich (ETH)
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- Simon, A.E. (author)
- Universität Bern,University of Bern
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- Sousa, S. G. (author)
- Universidade do Porto,University of Porto
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- Brandeker, Alexis, 1974- (author)
- Stockholms universitet,Institutionen för astronomi
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- Collier Cameron, A. (author)
- University of St Andrews
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- Sulis, S. (author)
- Laboratoire d'Astrophysique de Marseille
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- Van Grootel, V. (author)
- Universite de Liège,University of Liège
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- Wilson, T.G. (author)
- University of St Andrews
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- Alibert, Y. (author)
- Universität Bern,University of Bern
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- Alonso, R. (author)
- Instituto de Astrofísica de Canarias,Universidad de la Laguna,University of La Laguna
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- Anglada, G. (author)
- Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC),Institut de Ciències de l'Espai (ICE) - CSIC,Institute of Space Sciences (ICE) - CSIC
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Bárczy, T. (author)
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- Barrado Navascues, D. (author)
- European Space Astronomy Centre (ESAC)
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- Barros, S.C.C. (author)
- Universidade do Porto,University of Porto
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Baumjohann, W. (author)
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- Davies, M.B. (author)
- Lund University,Lunds universitet,Matematik (naturvetenskapliga fakulteten),Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,LU profilområde: Naturlig och artificiell kognition,Lunds universitets profilområden,Mathematics (Faculty of Sciences),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH,LU Profile Area: Natural and Artificial Cognition,Lund University Profile areas
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- Beck, T. (author)
- Universität Bern,University of Bern
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- Benz, W. (author)
- Universität Bern,University of Bern
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- Billot, N. (author)
- Université de Genève,University of Geneva
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Bonfils, X. (author)
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- Borsato, L. (author)
- Istituto nazionale di astrofisica (INAF)
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- Broeg, C. (author)
- Universität Bern,University of Bern
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- Bruno, G. (author)
- Istituto nazionale di astrofisica (INAF)
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Carone, L. (author)
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- Charnoz, S. (author)
- Institut de Physique du Globe de Paris
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- Corral Van Damme, C. (author)
- European Space Research and Technology Centre (ESA ESTEC)
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- Csizmadia, Szilard (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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- Cubillos, P. E. (author)
- Istituto nazionale di astrofisica (INAF)
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- Davies, M. B. (author)
- Lunds universitet,Lund University
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- Deleuil, M. (author)
- Laboratoire d'Astrophysique de Marseille
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- Deline, A. (author)
- Université de Genève,University of Geneva
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- Delrez, L. (author)
- Universite de Liège,University of Liège
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- Demangeon, O. (author)
- Universidade do Porto,University of Porto
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- Demory, B.O. (author)
- Universität Bern,University of Bern
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- Ehrenreich, D. (author)
- Université de Genève,University of Geneva
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- Erikson, Anders (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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- Fortier, A. (author)
- Universität Bern,University of Bern
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Fossati, L. (author)
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- Fridlund, Malcolm, 1952 (author)
- Universiteit Leiden (UL),Leiden University (UL),Chalmers tekniska högskola,Chalmers University of Technology
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- Gandolfi, D. (author)
- Universita degli Studi di Torino,University of Turin
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- Gillon, Michaël (author)
- Universite de Liège,University of Liège
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- Gudel, M. (author)
- Universität Wien,University of Vienna
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- Günther, Maximilian N. (author)
- European Space Research and Technology Centre (ESA ESTEC)
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- Helling, Ch. (author)
- Technische Universität Graz
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- Hoyer, S. (author)
- Laboratoire d'Astrophysique de Marseille
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- Isaak, K. (author)
- European Space Research and Technology Centre (ESA ESTEC)
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- Kiss, L. L. (author)
- Magyar Tudomanyos Akademia,Hungarian Academy of Sciences,Eötvös Loránd University (ELTE)
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- Kopp, E. (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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- Lam, K. W.F. (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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- Laskar, J. (author)
- Observatoire de Paris,Paris Observatory
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- des Etangs, A. L. (author)
- Institut d 'Astrophysique de Paris
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- Magrin, D. (author)
- Istituto nazionale di astrofisica (INAF)
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- Maxted, P. (author)
- Keele University
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- Mordasini, C. (author)
- Universität Bern,University of Bern
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- Munari, M. (author)
- Istituto nazionale di astrofisica (INAF)
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- Nascimbeni, Valerio (author)
- Istituto nazionale di astrofisica (INAF)
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- Olofsson, Göran, 1944- (author)
- Stockholms universitet,Institutionen för astronomi
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- Ottensamer, R. (author)
- Universität Wien,University of Vienna
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- Palle, Enric (author)
- Universidad de la Laguna,University of La Laguna,Instituto de Astrofísica de Canarias
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- Peter, G. (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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- Piotto, Giampaolo P. (author)
- Istituto nazionale di astrofisica (INAF),Università Degli Studi di Padova,University of Padua
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- Pollacco, D. (author)
- The University of Warwick
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- Ragazzoni, R. (author)
- Istituto nazionale di astrofisica (INAF),Università Degli Studi di Padova,University of Padua
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- Rando, N. (author)
- European Space Research and Technology Centre (ESA ESTEC)
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- Rauer, H. (author)
- Technische Universität Berlin,Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR),Freie Universität Berlin
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- Reimers, C. (author)
- Universität Wien,University of Vienna
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- Ribas, I. (author)
- Institut de Ciències de l'Espai (ICE) - CSIC,Institute of Space Sciences (ICE) - CSIC,Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC)
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- Rieder, M. (author)
- Universität Bern,University of Bern
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- Santos, N. C. (author)
- Universidade do Porto,University of Porto
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- Segransan, D. (author)
- Université de Genève,University of Geneva
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- Smith, A. M.S. (author)
- Deutsches Zentrums für Luft- und Raumfahrt (DLR),German Aerospace Center (DLR)
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- Stalport, M. (author)
- Universite de Liège,University of Liège
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Steller, Manfred B. (author)
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- Szabó, G.M. (author)
- Eötvös Loránd University (ELTE)
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- Thomas, Nicolas (author)
- Universität Bern,University of Bern
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- Udry, S. (author)
- Université de Genève,University of Geneva
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- Venturini, J. (author)
- Université de Genève,University of Geneva
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- Walton, N. A. (author)
- University Of Cambridge,University of Cambridge
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(creator_code:org_t)
- 2024
- 2024
- English.
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In: Astronomy and Astrophysics. - 0004-6361 .- 1432-0746. ; 682
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http://dx.doi.org/10... (free)
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https://doi.org/10.1...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- Context. Multiwavelength photometry of the secondary eclipses of extrasolar planets is able to disentangle the reflected and thermally emitted light radiated from the planetary dayside. Based on this, we can measure the planetary geometric albedo Ag, which is an indicator of the presence of clouds in the atmosphere, and the recirculation efficiency ϵ, which quantifies the energy transport within the atmosphere. Aims. We measure Ag and ϵ for the planet WASP-178 b, a highly irradiated giant planet with an estimated equilibrium temperature of 2450 K. Methods. We analyzed archival spectra and the light curves collected by CHEOPS and TESS to characterize the host WASP-178, refine the ephemeris of the system, and measure the eclipse depth in the passbands of the two telescopes. Results. We measured a marginally significant eclipse depth of 70 ± 40 ppm in the TESS passband, and a statistically significant depth of 70 ± 20 ppm in the CHEOPS passband. Conclusions. Combining the eclipse-depth measurement in the CHEOPS (λeff = 6300 Å) and TESS (λeff = 8000 Å) passbands, we constrained the dayside brightness temperature of WASP-178 b in the 2250-2800 K interval. The geometric albedo 0.1< Ag<0.35 generally supports the picture that giant planets are poorly reflective, while the recirculation efficiency ϵ >0.7 makes WASP-178 b an interesting laboratory for testing the current heat-recirculation models.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- planets and satellites: atmospheres
- planets and satellites: gaseous planets
- techniques: photometric
- planets and satellites: individual: wasp-178 b
- planets and satellites: detection
- planets and satellites: atmospheres
- planets and satellites: detection
- planets and satellites: gaseous planets
- planets and satellites: individual: wasp-178 b
- techniques: photometric
- Exoplanets
- Satellites
- Solar radiation
- Geometric albedos
- Pass bands
- Planet and satellite: gaseous planet
- Planet and satellite: individual: wasp-178 b
- Planets and satellites
- Planets and satellites: atmospheres
- Planets and satellites: detections
- Planets and satellites: individual
- Recirculations
- Techniques: photometric
- Photometry
Publication and Content Type
- art (subject category)
- ref (subject category)
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To the university's database
- By the author/editor
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Pagano, I.
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Scandariato, Gae ...
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Singh, V.
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Lendl, M.
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Queloz, D.
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Simon, A.E.
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show more...
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Sousa, S. G.
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Brandeker, Alexi ...
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Collier Cameron, ...
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Sulis, S.
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Van Grootel, V.
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Wilson, T.G.
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Alibert, Y.
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Alonso, R.
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Anglada, G.
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Bárczy, T.
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Barrado Navascue ...
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Barros, S.C.C.
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Baumjohann, W.
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Davies, M.B.
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Beck, T.
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Benz, W.
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Billot, N.
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Bonfils, X.
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Borsato, L.
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Broeg, C.
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Bruno, G.
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Carone, L.
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Charnoz, S.
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Corral Van Damme ...
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Csizmadia, Szila ...
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Cubillos, P. E.
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Davies, M. B.
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Deleuil, M.
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Deline, A.
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Delrez, L.
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Demangeon, O.
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Demory, B.O.
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Ehrenreich, D.
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Erikson, Anders
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Fortier, A.
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Fossati, L.
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Fridlund, Malcol ...
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Gandolfi, D.
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Gillon, Michaël
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Gudel, M.
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Günther, Maximil ...
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Helling, Ch.
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Hoyer, S.
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Isaak, K.
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Kiss, L. L.
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Kopp, E.
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Lam, K. W.F.
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Laskar, J.
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des Etangs, A. L ...
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Magrin, D.
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Maxted, P.
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Mordasini, C.
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Munari, M.
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Nascimbeni, Vale ...
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Olofsson, Göran, ...
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Ottensamer, R.
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Palle, Enric
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Peter, G.
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Piotto, Giampaol ...
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Pollacco, D.
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Ragazzoni, R.
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Rando, N.
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Rauer, H.
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Reimers, C.
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Ribas, I.
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Rieder, M.
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Santos, N. C.
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Segransan, D.
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Smith, A. M.S.
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Stalport, M.
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Steller, Manfred ...
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Szabó, G.M.
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Thomas, Nicolas
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Udry, S.
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Venturini, J.
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Walton, N. A.
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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Astronomy and As ...
- By the university
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Chalmers University of Technology
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Lund University
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Stockholm University