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Rotation of M and L Dwarfs from High Resolution Infrared Spectra
Published online by Cambridge University Press: 26 May 2016
Abstract
v sin i has been measured from high-resolution (λ/Δλ~50000) infrared spectra of ~30 M and L dwarfs. The spectral region observed covers approximately 0.01 μm centered at 2.312 μm in the CO 2-0 band. v sin i, measured from the CO lines, increases dramatically from the M to L dwarfs. In extreme cases the rotational periods are a few hours.
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- Session 1 Observations of Rotating Stars
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- Copyright © Astronomical Society of the Pacific 2004