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Measuring stellar granulation during planet transits

Chiavassa, A.; Caldas, A.; Selsis, Franck; Leconte, Jérémy; Von Paris, Philip; Bordé, Pascal J.; Magic, Z.; Collet, Remo; Asplund, Martin


Context. Stellar activity and convection-related surface structures might cause bias in planet detection and characterization that use these transits. Surface convection simulations help to quantify the granulation signal. Aims. We used realistic three-dimensional (3D) radiative hydrodynamical (RHD) simulations from the Stagger grid and synthetic images computed with the radiative transfer code Optim3D to model the transits of three prototype planets: a hot Jupiter, a hot Neptune, and a...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201528018
Access Rights: Open Access


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