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Magnetic Modulation of Stellar Angular Momentum Loss

2014/08/08 by Cecilia Garraffo, Garraffo, Cecilia, J. J. Drake +4
Physics and Astronomy · #Astronomy and Astrophysical Research #FOS: Physical sciences #Solar and Space Plasma Dynamics #Solar and Stellar Astrophysics (astro-ph.SR) #Stellar, planetary, and galactic studies #astro-ph.SR

paper · pdf · doi:10.48550/arxiv.1408.1965

7 pages, 3 figures, Conference Proceedings CS18, held in Flagstaff, AZ, June 9-13, 2014

arxiv created 2014/08/08 · openalex publication_date 2014/08/08 · arxiv updated 2014/08/12 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Angular Momentum Loss is important for understanding astrophysical phenomena such as stellar rotation, magnetic activity, close binaries, and cataclysmic variables. Magnetic breaking is the dominant mechanism in the spin down of young late-type stars. We have studied angular momentum loss as a function of stellar magnetic activity. We argue that the complexity of the field and its latitudinal distribution are crucial for angular momentum loss rates. In this work we discuss how angular momentum is modulated by magnetic cycles, and how stellar spin down is not just a simple function of large scale magnetic field strength.

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