HST SPECTRAL MAPPING OF L/T TRANSITION BROWN DWARFS REVEALS CLOUD THICKNESS VARIATIONS

Most directly imaged giant exoplanets are fainter than brown dwarfs with similar spectra. To explain their relative underluminosity, unusually cloudy atmospheres have been proposed. However, with multiple parameters varying between any two objects, it remained difficult to observationally test this...

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Veröffentlicht in:	The Astrophysical journal 2013-05, Vol.768 (2), p.1-15
Hauptverfasser:	Apai, Daniel, Radigan, Jacqueline, Buenzli, Esther, Burrows, Adam, Reid, Iain Neill, Jayawardhana, Ray
Format:	Artikel
Sprache:	eng
Schlagworte:	ABSORPTION SPECTROSCOPY ASTROPHYSICS, COSMOLOGY AND ASTRONOMY BRIGHTNESS Brown dwarf stars Clouds Color DISTRIBUTION Extrasolar planets HEAT EXCHANGERS INFRARED SPECTRA Mapping MASS Mathematical models PHOTOSPHERE PLANETS SATELLITES SIMULATION SPACE Spectra Spectral lines STARS STARSPOTS SURFACES TELESCOPES THICKNESS TIME RESOLUTION
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