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Angular momentum loss in low-mass stars
Abstract
The wind models discussed by Mestel (1984) are used here to formulate a general expression for the rate of angular momentum loss by magnetic stellar winds as a function of magnetic field configuration, rotation rate, and stellar model properties. The sensitivity of the rotation velocity to the various wind model parameters, the initial angular momenta, and the time dependence of the angular velocity for each mass is shown. The theoretical results are compared with observational ones, and it is found that the existence of very rapidly rotating stars in young clusters implies that low-mass stars are formed with a large spread of angular momentum. The high efficiency of angular momentum loss through magnetic stellar winds causes the rotation velocity to become less dependent on initial angular momentum J0 with time; by 300 million yur, the rotation velocity becomes independent of J0. This results in a decrease with time in the spread of rotation velocities as a function of stellar mass in young clusters.
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Citations
Cited by
The Dawes Review 2: Nucleosynthesis and Stellar Yields of Low- and Intermediate-Mass Single Stars
Karakas, A. I., & Lattanzio, J. C. (2014) · Publications of the Astronomical Society of Australia · doi:10.1017/pasa.2014.21 · Cited by 735
“Later advances in the theory of rotation and chemical transport (Kawaler 1988; Zahn 1992; Maeder & Zahn 1998) led to more sophisticated models for the evolution of rotating low and intermediate mass stars (Palacios et al. 2003, 2006).”
BackgroundMeasuring the rotation period distribution of field M dwarfs with Kepler
McQuillan, A., Aigrain, S., & Mazeh, T. (2013) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/stt536 · Cited by 447
Influence of Gravity Waves on the Internal Rotation and Li Abundance of Solar-Type Stars
Charbonnel, C., & Talon, S. (2005) · Science · doi:10.1126/science.1116849 · Cited by 377
Improved angular momentum evolution model for solar-like stars
Gallet, F., & Bouvier, J. (2013) · Astronomy & Astrophysics · doi:10.1051/0004-6361/201321302 · Cited by 373
Lagarde, N., Decressin, T., Charbonnel, C., Eggenberger, P., Ekström, S., & Palacios, A. (2012) · Astronomy & Astrophysics · doi:10.1051/0004-6361/201118331 · Cited by 283
Metadata
- Authors
- Kawaler, S. D.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1988-10
- Volume
- 333
- Pages
- 236
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2065472013
- Cited by
- 596
- References
- 0
- FWCI
- 12.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kawaler, S. D. (1988). Angular momentum loss in low-mass stars. The Astrophysical Journal. https://doi.org/10.1086/166740
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
