Results 101 to 110 of about 646 (121)

A High Internal Heat Flux and Large Core in a Warm Neptune Exoplanet

Interactions between exoplanetary atmospheres and internal properties have long been hypothesized to be drivers of the inflation mechanisms of gaseous planets and apparent atmospheric chemical disequilibrium conditions.
Rauscher, Emily, Wiser, Lindsey S., Dyrek, Achrène, Parmentier, Vivien, Line, Michael R., Murphy, Matthew, McGill, Peter, Beatty, Thomas G., Welbanks, Luis, Bell, Taylor J., Edelman, Isaac, Arnold, Kenneth E., Greene, Thomas P., Schlawin, Everett, Mukherjee, Sagnick, Lagage, Pierre-Olivier, Ohno, Kazumasa, Fortney, Jonathan J., Tang, Yao   +18 more
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Life at the end of worlds : modelling the biosignatures of microbial life in diverse environments at the end of the habitable lifetimes of Earth-like planets

, 2014
This thesis investigates how increased global mean temperatures on Earth, induced by the increase in the luminosity of the Sun as it ages, change the types of habitable environments on the planet at local scales over the next 3 Gyr.
O'Malley-James, Jack T.
core  

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Determination of the exoplanet HD 189733 b atmospheric structure based on the multicolor photometric transit observations obtained with the HST and at the Caucasian Mountain Observatory

Modern astronomy: from the Early Universe to exoplanets and black holes
The paper presents a study of the exoplanet HD 189733 b based on the multicolor photometric observations obtained by the Hubble Space Telescope as well as on the equipment of the Caucasian Mountain Observatory. It is shown that with all other parameters fixed, the radius of the planet obtained from the interpretation of the light curves varies, which ...
exaly   +2 more sources

Data structures for ExoMol: Molecular line lists for exoplanet and other atmospheres

AIP Conference Proceedings, 2013
At elevated temperatures the spectra of polyatomic molecules become extremely complicated with millions, or even billions, of transitions potentially playing an important role. The atmospheres of cool stars and “hot Jupiter” extrasolar planets are rich with molecules in the temperature range 1000 to 3000 K and their properties are strongly influenced ...
Jonathan Tennyson, Christian Hill, Sergei N. Yurchenko   +2 more
openaire   +1 more source

Interior structure, mantle-atmosphere co-evolution, and habitability of low-mass exoplanets

2023
Um grundlegende Fragen der Planetenforschung zu beantworten, ist ein fundiertes Verständnis der Zusammensetzung und der Prozesse im Inneren von Exoplaneten eine essenzielle Voraussetzung. Solche Fragen beinhalten beispielsweise, welche Arten von Planeten es geben könnte, welche Mechanismen die Planetenentstehung und -entwicklung steuern, wie ...
openaire   +3 more sources

Exoplanet atmosphere. Thermal structure of an exoplanet atmosphere from phase-resolved emission spectroscopy.

Science (New York, N.Y.), 2014
Exoplanets that orbit close to their host stars are much more highly irradiated than their solar system counterparts. Understanding the thermal structures and appearances of these planets requires investigating how their atmospheres respond to such extreme stellar forcing.
Kevin B, Stevenson, Jean-Michel, Désert, Michael R, Line, Jacob L, Bean, Jonathan J, Fortney, Adam P, Showman, Tiffany, Kataria, Laura, Kreidberg, Peter R, McCullough, Gregory W, Henry, David, Charbonneau, Adam, Burrows, Sara, Seager, Nikku, Madhusudhan, Michael H, Williamson, Derek, Homeier   +15 more
openaire   +1 more source

Impact of photochemical hazes on the thermal structure of exoplanet atmospheres

Transit observations reveal that a significant population of the detected exoplanets has hazy atmospheres (Sing et al. 2016). Although the relative contribution of clouds and photochemical aerosols is not yet fully clarified, the impact of haze particles on the thermal structure could be significant, as such particles can efficiently scatter and absorb
Panayotis Lavvas, Anthony Arfaux
openaire   +1 more source

Determining the structure of the atmosphere exoplanet HD 189733 b based on multicolor photometric transit observations

Astronomičeskij žurnal
The work carried out an analysis and interpretation of light curves obtained with observing with the HST telescope the transit of the exoplanet HD 189733 b across the disk of the star. Observations were carried out in a wide range of wavelengths 5500–10500 Å, which made it possible to identify the relationship between the wavelength and the data ...
openaire   +1 more source

Early Release Science of the exoplanet WASP-39b with JWST NIRSpec PRISM

Nature, 2023
Zafar Rustamkulov, David K Sing, Michael R Line   +2 more
exaly  

POSEIDON: A Multidimensional Atmospheric Retrieval Code for Exoplanet Spectra

Journal of Open Source Software, 2023
Ryan J Macdonald
exaly