Pollux: a stable weak dipolar magnetic field but no planet?

Pollux is considered as an archetype of a giant star hosting a planet: its radial velocity (RV) presents sinusoidal variations with a period of about 590 d, which have been stable for more than 25 years. Using ESPaDOnS and Narval we have detected a weak (sub-gauss) magnetic field at the surface of P...

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Bibliographic Details
Main Authors: Aurière, Michel, Konstantinova-Antova, Renada, Espagnet, Olivier, Petit, Pascal, Roudier, Thierry, Charbonnel, Corinne, Donati, Jean-François, Wade, Gregg A.
Language:English
Published: 2017
Subjects:
Pollux
narval
Online Access:http://doc.rero.ch/record/300470/files/S1743921314002476.pdf

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