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X-ray emission from low-mass stars is associated with the magnetic activity resulting from the interplay between stellar rotation and surface convective motions. The stellar rotation is a decreasing function of age in these stars. Young low-mass stars typically show rapid rotation, which favors the generation of enhanced magnetic fields and the heating of the outermost stellar layers, producing the x-ray emission.
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We thank N. González Pérez for assistance with the infrared observations at the TCS, J. Casares and I
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We thank N. González Pérez for assistance with the infrared observations at the TCS, J. Casares and I.
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