Phase‐dependent Properties of Extrasolar Planet Atmospheres
نویسندگان
چکیده
منابع مشابه
Phase-dependent Properties of Extrasolar Planet Atmospheres
Recently the Spitzer Space Telescope observed the transiting extrasolar planets, TrES-1 and HD209458b. These observations have provided the first estimates of the day side thermal flux from two extrasolar planets orbiting Sun-like stars. In this paper, synthetic spectra from atmospheric models are compared to these observations. The day-night temperature difference is explored and phasedependen...
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The key to understanding an extrasolar giant planet’s spectrum–and hence its detectability and evolution–lies with its atmosphere. Now that direct observations of thermal emission from extrasolar giant planets are in hand, atmosphere models can be used to constrain atmospheric composition, thermal structure, and ultimately the formation and evolution of detected planets. We review the important...
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The characteristics of irradiated solar system planetary atmospheres have been studied for decades, consequently modern planetary science benefits from an exhaustive body of groundand spacebased data. The study of extrasolar planetary atmospheres, by contrast, is still in its infancy and currently rests on a few score of datapoints, mostly of the transiting planets. This short survey aims not t...
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T he discovery was based on an analysis of anomalies in the periodicity of the pulsar radio signal. Three years later, M. Mayor and D. Quéloz reported the first detection of an exoplanet around a solar-type star, 51 Peg. The method used this time was the so-called radial velocity technique, which consists of measuring the velocity of the star around the center of gravity of the star-planet syst...
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We point out some advantages of making observations of extrasolar planets in linearly polarized (LP) light. Older cool stars have quite low levels (∼ 10 to 10) of fractional LP, while extrasolar planets can have relatively high fractional LP (∼ 0.1). Observations in LP light can therefore significantly enhance contrast between the planet and its parent star. Data on LP as a function of planetar...
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2005
ISSN: 0004-637X,1538-4357
DOI: 10.1086/444349