Characterising planetary systems with SPIRou: Questions about the magnetic cycle of 55 Cnc A and two new planets around B★

One of the first exoplanet hosts, discovered about thirty years ago, the star 55 Cnc has been continuously observed ever since. It is now known to host at least five planets with orbital periods ranging from 17 hours to 15 years. It is also one of the most extreme metal-rich stars in the neighbourho...

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Autors principals:	Moutou C., Petit P., Charpentier P., Cristofari P., Baruteau C., Thébault P., Arnold L., Artigau E., Carmona A., Cook N. J., Debras F., Delfosse X., Donati J.-F., Malo L., Ould-Elhkim M.
Format:	Artigo
Idioma:	Inglês
Publicat:	EDP Sciences 2026-01-01
Col·lecció:	Astronomy & Astrophysics
Matèries:	planets and satellites: detection stars: low-mass stars: magnetic field planetary systems stars: individual: 55 cnc stars: solar-type
Accés en línia:	https://www.aanda.org/articles/aa/full_html/2026/01/aa56146-25/aa56146-25.html
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