Disentangling hot Jupiters formation location from their chemical composition
نویسندگان
چکیده
منابع مشابه
Atmospheric escape from hot Jupiters
The extra-solar planet HD209458b has been found to have an extended atmosphere of escaping atomic hydrogen (Vidal-Madjar et al. 2003), suggesting that “hot Jupiters” closer to their parent stars could evaporate. Here we estimate the atmospheric escape (so called evaporation rate) from hot Jupiters and their corresponding life time against evaporation. The calculated evaporation rate of HD209458...
متن کاملInfrared Radiation from Hot Jupiters
Recent Spitzer infrared (IR) observations of two transiting hot Jupiters during their secondary eclipses have provided the first direct detection of planets orbiting other stars (Charbonneau et al. 2005; Deming et al. 2005). We here elaborate on some aspects of our detection of HD209458b at 24 μm, and we compare to the detection of TrES-1 by Charbonneau et al. Spitzer will eventually determine ...
متن کاملRunaway migration and the formation of hot Jupiters
Send offprint requests to F. S. Masset: [email protected]
متن کاملEvaporation rate of hot Jupiters and formation of Chthonian planets
Among the hundred of known extrasolar planets, about 15% are closer than 0.1 AU from their parent stars. But there are extremely few detections of planets orbiting in less than 3 days. At this limit the planet HD 209458b has been found to have an extended upper atmosphere of escaping hydrogen. This suggests that the so-called hot Jupiters which are close to their parent stars could evaporate. H...
متن کاملTwo Classes of Hot Jupiters
We identify two classes of transiting planet, based on their equilibrium temperatures and Safronov numbers. We examine various possible explanations for the dichotomy. It may reflect the influence of planet or planetesimal scattering in determining when planetary migration stops. Another possibility is that some planets lose more mass to evaporation than others. If this evaporation process pref...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 2017
ISSN: 0035-8711,1365-2966
DOI: 10.1093/mnras/stx260