Characterizing the Thermosphere of HD209458b with UV Transit Observations

Transmission spectroscopy at UV wavelengths is a rich and largely unexplored source of information about the upper atmospheres of extrasolar planets. So far, UV transit observations have led to the detection of atomic hydrogen, oxygen, and ionized carbon in the upper atmosphere of HD209458b. The int...

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Veröffentlicht in:	The Astrophysical journal 2010-11, Vol.723 (1), p.116-128
Hauptverfasser:	Koskinen, T. T, Yelle, R. V, Lavvas, P, Lewis, N. K
Format:	Artikel
Sprache:	eng
Schlagworte:	ABSORPTION Astronomy ASTROPHYSICS, COSMOLOGY AND ASTRONOMY ATMOSPHERES CARBON Clouds DIMENSIONLESS NUMBERS EARTH ATMOSPHERE Earth, ocean, space ELECTROMAGNETIC RADIATION ELEMENTS EMISSION Exact sciences and technology Extrasolar planets FLUID MECHANICS HYDRODYNAMICS HYDROGEN Lobes MECHANICS MIXING RATIO NONMETALS OXYGEN PLANETARY ATMOSPHERES PLANETS POTENTIALS RADIATION PRESSURE RADIATIONS ROCHE EQUIPOTENTIALS SORPTION STELLAR ACTIVITY STELLAR RADIATION STELLAR WINDS THERMOSPHERE Transit ULTRAVIOLET RADIATION Upper atmosphere
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