EAS Publications Series
Volume 64, 2013Setting a New Standard in the Analysis of Binary Stars
|Page(s)||127 - 130|
|Section||Setting a New Standard in the Analysis of Intermediate and Low-Mass Binaries|
|Published online||25 February 2014|
K. Pavlovski, A. Tkachenko and G. Torres (eds)
EAS Publications Series, 64 (2013) 127-130
Magnetic field induced radius inflation of low-mass stars
1 Dept. of Physics & Astronomy, Uppsala University, Box 516, 751 20 Uppsala, Sweden
2 Dept. of Physics & Astronomy, Dartmouth College, 6127 Wilder Laboratory, Hanover, NH 03755, USA
We present results obtained using the magnetic Dartmouth stellar evolution code that address the possibility that magnetic fields are inflating low-mass stars in detached eclipsing binaries. While it seems plausible that magnetic fields are inflating stars with radiative cores, the level of inflation observed among fully convective stars appears too large to be explained by magnetic fields. We provide an alternative explanation, stellar metallicity, and propose observations that can help further constrain stellar models.
© EAS, EDP Sciences, 2014
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