Published in
EDP Sciences, EAS Publications Series, (71-72), p. 243-247
DOI: 10.1051/eas/1571054
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- EDP Sciences
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The Convection of Close Red Supergiant Stars Observed With Near-Infrared Interferometry
Journal article published in 2015 by
Miguel Montargès 
,
Pierre Kervella,
Guy Perrin,
Andrea Chiavassa,
Michel Aurière
,
Pierre Kervella,
Guy Perrin,
Andrea Chiavassa,
Michel Aurière
This paper is available in a repository.
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Abstract
Our team has obtained observations of the photosphere of the two closest red supergiant stars Betelgeuse (α Ori) and Antares (α Sco) using near infrared interferometry. We have been monitoring the photosphere of Betelgeuse with the VLTI/PIONIER instrument for three years. On Antares, we obtained an unprecedented sampling of the visibility function. These data allow us to probe the convective photosphere of massive evolved stars.