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Unified Cloudy Models of L and T Dwarfs: Physical Basis of the Spectral Classification in the Substellar Regime
Published online by Cambridge University Press: 26 May 2016
Abstract
Based on a simple thermodynamical argument, we proposed a cloudy model with a warm dust cloud deep in the photosphere. We showed, for the first time, that a single grid of model photospheres (800 ≲ Teff ≳ 2600 K) offers a natural explanation not only for the division of dwarfs cooler than M into the two distinct types L and T but also for the changes of the spectra and colors along the L – T spectral sequence.
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- Part 7. Atmospheres and Internal Structure
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- Copyright © Astronomical Society of the Pacific 2001
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