Discovery of an activity cycle in the solar analog HD 45184⋆

Author： Flores M.   González J. F.   Jaque Arancibia M.   Buccino A.   Saffe C.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|589|issue|A135-A135

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.589, Iss.issue, 2016-04, pp. : A135-A135

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Abstract

Context. Most stellar activity cycles similar to that found in the Sun have been detected by using the chromospheric Ca ii HK lines as stellar activity proxies. However, it is unclear whether such activity cycles can be identified using other optical lines.

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