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2022RNAAS...6..147C - Research Notes of the AAS, 6, 147 (2022/July-0)

Evolution of Solar-type Activity: A Brief Study of Ca II Emission in Beta Hydri (G2 IV).

CUNTZ M. and FAWZY D.E.

Abstract (from CDS):

We present results about the decrease of stellar activity for stars like the Sun evolving toward the subgiant stage. Specifically, we examine two-component chromosphere models (acoustic and magnetic) for β Hydri (G2 IV) based on detailed time-dependent simulations while focusing on Ca II emission. We convey models for two different photospheric magnetic filling factors.

Abstract Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Stellar physics

Simbad objects: 1

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