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Related papers: Analyzing Exoplanet Phase Curve Information Conten…

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We present a semi-analytic model atmosphere for close-in exoplanets that captures the essential physics of phase curves: orbital and viewing geometry, advection, and re-radiation. We calibrate the model with the well-characterized…

Earth and Planetary Astrophysics · Physics 2015-05-20 Nicolas B. Cowan , Eric Agol

One of the primary questions when characterizing Earth-sized and super-Earth-sized exoplanets is whether they have a substantial atmosphere like Earth and Venus or a bare-rock surface like Mercury. Phase curves of the planets in thermal…

Earth and Planetary Astrophysics · Physics 2017-11-29 Isabel Angelo , Renyu Hu

Phase curves are the best technique to probe the three dimensional structure of exoplanets' atmospheres. In this chapter we first review current exoplanets phase curve observations and the particular challenges they face. We then describe…

Earth and Planetary Astrophysics · Physics 2019-02-06 Vivien Parmentier , Ian Crossfield

The analysis of exoplanetary atmospheres often relies upon the observation of transit or eclipse events. While very powerful, these snapshots provide mainly 1-dimensional information on the planet structure and do not easily allow precise…

Earth and Planetary Astrophysics · Physics 2021-06-02 Quentin Changeat , Ahmed F. Al-Refaie , Billy Edwards , Ingo P. Waldmann , Giovanna Tinetti

Thermal light-curve analysis is a powerful approach to probe the thermal structures of exoplanetary atmospheres, which are greatly influenced by the planetary obliquity and eccentricity. Here we investigate the thermal light curves of…

Earth and Planetary Astrophysics · Physics 2019-03-20 Kazumasa Ohno , Xi Zhang

Thermal phase curves of short period exoplanets provide the best constraints on the atmospheric dynamics and heat transport in their atmospheres. The published Spitzer Space Telescope phase curve of 55 Cancri e, an ultra-short period…

Earth and Planetary Astrophysics · Physics 2022-10-20 Samson J. Mercier , Lisa Dang , Alexander Gass , Nicolas B. Cowan , Taylor J. Bell

We have created a general methodology for calculating the wavelength-dependent light curves of close-in extrasolar giant planets (EGPs) as they traverse their orbits. Focussing on the transiting EGPs HD189733b, TrES-1, and HD209458b, we…

Astrophysics · Physics 2008-11-26 A. Burrows , D. Sudarsky , I. Hubeny

The theory of remote sensing shows that observing a planet at multiple phase angles ($\alpha$) is a powerful strategy to characterize its atmosphere. Here, we analyse how the information contained in reflected-starlight spectra of…

Earth and Planetary Astrophysics · Physics 2021-11-24 Óscar Carrión-González , Antonio García Muñoz , Nuno C. Santos , Juan Cabrera , Szilárd Csizmadia , Heike Rauer

Observations of the phase curves and secondary eclipses of extrasolar planets provide a window on the composition and thermal structure of the planetary atmospheres. For example, the photometric observations of secondary eclipses lead to…

It is possible to learn a great deal about exoplanet atmospheres even when we cannot spatially resolve the planets from their host stars. In this chapter, we overview the basic techniques used to characterize transiting exoplanets -…

Earth and Planetary Astrophysics · Physics 2019-02-06 Laura Kreidberg

The thermal phase curve of 55 Cancri e is the first measurement of the temperature distribution of a tidally locked Super-Earth, but raises a number of puzzling questions about the planet's climate. The phase curve has a high amplitude and…

Earth and Planetary Astrophysics · Physics 2017-11-15 Mark Hammond , Raymond Pierrehumbert

Characterization of the composition, surface properties, and atmospheric conditions of exoplanets is a rapidly progressing field as the data to study such aspects become more accessible. Bright targets, such as the multi-planet 55 Cancri…

Earth and Planetary Astrophysics · Physics 2015-05-28 Stephen R. Kane , Dawn M. Gelino , David R. Ciardi , Diana Dragomir , Kaspar von Braun

Mapping exoplanets across phases and during secondary eclipse is a powerful technique for characterizing Hot Jupiters in emission. Since these planets are expected to rotate about axes normal to their orbital planes, with rotation periods…

Earth and Planetary Astrophysics · Physics 2023-09-20 Arthur Adams , Emily Rauscher

Basic atmospheric properties such as albedo and heat redistribution between day and nightside have been inferred for a number of planets using observations of secondary eclipses and thermal phase curves. Optical phase curves have not yet…

Earth and Planetary Astrophysics · Physics 2016-03-09 P. von Paris , P. Gratier , P. Bordé , F. Selsis

Long-period transiting exoplanets provide an opportunity to study the mass-radius relation and internal structure of extrasolar planets. Their studies grant insights into planetary evolution akin to the Solar System planets, which, in…

Earth and Planetary Astrophysics · Physics 2009-11-19 Kaspar von Braun , Stephen R. Kane

Kepler has detected numerous exoplanet transits by precise measurements of stellar light in a single visible-wavelength band. In addition to detection, the precise photometry provides phase curves of exoplanets, which can be used to study…

Earth and Planetary Astrophysics · Physics 2015-06-23 Renyu Hu , Brice-Olivier Demory , Sara Seager , Nikole Lewis , Adam P. Showman

Detecting and characterizing the atmospheres of rocky exoplanets has proven to be challenging for JWST. Transit spectroscopy of the TRAPPIST-1 planets has been impacted by the effects of spots and faculae on the host star. Secondary…

The phase or orbital light curves of extrasolar terrestrial planets in reflected or emitted light will contain information about their atmospheres and surfaces complementary to data obtained by other techniques such as spectrosopy. We show…

Astrophysics · Physics 2009-11-11 Eric Gaidos , Nicholas Moskovitz , Darren M. Williams

The field of exoplanetary science has diversified rapidly over recent years as the field has progressed from exoplanet detection to exoplanet characterization. For those planets known to transit, the primary transit and secondary eclipse…

Earth and Planetary Astrophysics · Physics 2015-05-20 Stephen R. Kane , Dawn M. Gelino

When we are fortunate enough to view an exoplanetary system nearly edge-on, the star and planet periodically eclipse each other. Observations of eclipses (transits and occultations) provide a bonanza of information that cannot be obtained…

Earth and Planetary Astrophysics · Physics 2015-03-13 Joshua N. Winn
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