Large granulation cells on the surface of the giant star π1 Gruis

C. Paladini (), F. Baron, A. Jorissen, J.-B. Le Bouquin, B. Freytag, S. Van Eck, M. Wittkowski, J. Hron, A. Chiavassa, J.-P. Berger, C. Siopis, A. Mayer, G. Sadowski, K. Kravchenko, S. Shetye, F. Kerschbaum, J. Kluska and S. Ramstedt
Additional contact information
C. Paladini: Institut d’Astronomie et d’Astrophysique, Université libre de Bruxelles, CP 226
F. Baron: Georgia State University
A. Jorissen: Institut d’Astronomie et d’Astrophysique, Université libre de Bruxelles, CP 226
J.-B. Le Bouquin: Université Grenoble Alpes, CNRS, IPAG
B. Freytag: Uppsala University
S. Van Eck: Institut d’Astronomie et d’Astrophysique, Université libre de Bruxelles, CP 226
M. Wittkowski: European Southern Observatory, Karl-Schwarzschild-Strasse 2
J. Hron: University of Vienna
A. Chiavassa: Laboratoire Lagrange, UMR 7293, Université de Nice Sophia-Antipolis, CNRS, Observatoire de la Côte d’Azur, BP 4229
J.-P. Berger: Université Grenoble Alpes, CNRS, IPAG
C. Siopis: Institut d’Astronomie et d’Astrophysique, Université libre de Bruxelles, CP 226
A. Mayer: University of Vienna
G. Sadowski: Institut d’Astronomie et d’Astrophysique, Université libre de Bruxelles, CP 226
K. Kravchenko: Institut d’Astronomie et d’Astrophysique, Université libre de Bruxelles, CP 226
S. Shetye: Institut d’Astronomie et d’Astrophysique, Université libre de Bruxelles, CP 226
F. Kerschbaum: University of Vienna
J. Kluska: University of Exeter
S. Ramstedt: Uppsala University

Nature, 2018, vol. 553, issue 7688, 310-312

Abstract: Interferometric images of the surface of the giant star π1 Gruis reveal few but large convective cells, consistent with existing models of stellar surface convection.

Date: 2018
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DOI: 10.1038/nature25001

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