Titlebook: Cartography of the Sun and the Stars; Jean-Pierre Rozelot,Coralie Neiner Book 2016 Springer International Publishing Switzerland 2016 CHAR

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Physical Processes Leading to Surface Inhomogeneities: The Case of Rotation,l of Espinosa Lara and Rieutord (Astron Astrophys 533:A43, 2011), which gives the gravity darkening in early-type stars. I also discuss the problem of deriving gravity darkening in stars owning a convective envelope and in those that are members of a binary system.

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Interferometry to Determine Stellar Shapes: Application to Achernar,lication of long-baseline interferometry to the determination of the photospheric shape of fast rotating stars. I present the example of the VLT Interferometer observations of the nearby Be star Achernar (.?Eri), using the VINCI (two telescopes) and PIONIER (four telescopes) beam combiners. I presen

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Interferometry to Image Surface Spots,k of Michelson at the end of the XIXth—beginning of the XXth when he first resolved the surface of a star, Betelgeuse, with his colleague Pease. Images were obtained for the first time 20 years ago with the COAST instrument and interferometers have made constant progress to reach the minimum level w