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The mutual orbital alignment in multiple planetary systems is an important parameter for understanding their formation. There are a number of elaborate techniques to determine the alignment parameters using photometric or spectroscopic…

Earth and Planetary Astrophysics · Physics 2021-12-29 Holger M. Müller , Panagiotis Ioannidis , Jürgen H. M. M. Schmitt

The increasing number of transiting exoplanets sparked a significant interest in discovering their moons. Most of the methods in the literature utilize timing analysis of the raw light curves. Here we propose a new approach for the direct…

Earth and Planetary Astrophysics · Physics 2015-05-30 A. E. Simon , Gy. M. Szabó , L. L. Kiss , K. Szatmáry

The exoplanet detection is the most exciting and challenging field of astronomy. The discovery of many exoplanets has revolutionized our understanding of the formation and evolution of planetary systems and has showed new ways to search for…

Earth and Planetary Astrophysics · Physics 2024-04-19 Mahima Kaushik , Aditee Mattoo , Ritesh Rastogi

Exoplanets are celestial bodies orbiting stars beyond our Solar System. Although historically they posed detection challenges, Kepler's data has revolutionized our understanding. By analyzing flux values from the Kepler Mission, we…

Instrumentation and Methods for Astrophysics · Physics 2024-06-13 Maneet Chatterjee , Anuvab Sen , Subhabrata Roy

Increasingly precise space-based photometry uncovers higher-order effects in transits, eclipses and phase curves which can be used to characterize exoplanets in novel ways. The subtle signature induced by a rotationally deformed exoplanet…

Earth and Planetary Astrophysics · Physics 2024-10-07 Shashank Dholakia , Shishir Dholakia , Benjamin J. S. Pope

Planets orbiting very close to their host stars have been found, some of them on the verge of tidal disruption. The ellipsoidal shape of these planets can significantly differ from a sphere, which modifies the transit light curves. Here we…

Earth and Planetary Astrophysics · Physics 2014-10-29 Alexandre C. M. Correia

The search for extrasolar planets is strongly motivated by the goal of characterizing how frequent habitable worlds and life may be within the Galaxy. Whilst much effort has been spent on searching for Earth-like planets, large moons may…

Earth and Planetary Astrophysics · Physics 2015-03-19 David M. Kipping

With the recent discoveries of hundreds of extrasolar planets, the search for planets like Earth and life in the universe, is quickly gaining momentum. In the future, large space observatories could directly detect the light scattered from…

Astrophysics · Physics 2009-11-13 E. Palle , Eric B. Ford , S. Seager , P. Montanes-Rodriguez , M. Vazquez

Observing extrasolar planetary transits is one of the only ways that we may infer the masses and radii of planets outside the Solar System. As such, the detections made by photometric transit surveys are one of the only foreseeable ways…

Astrophysics · Physics 2009-11-13 Thomas G. Beatty

Exoplanets in protoplanetary disks cause localized deviations from Keplerian velocity in channel maps of molecular line emission. Current methods of characterizing these deviations are time consuming, and there is no unified standard…

Earth and Planetary Astrophysics · Physics 2023-01-04 Jason Terry , Cassandra Hall , Sean Abreau , Sergei Gleyzer

Transits of bright stars offer a unique opportunity to study detailed properties of extrasolar planets that cannot be determined through radial-velocity observations. We propose a new technique to find such systems using all-sky…

Astrophysics · Physics 2007-05-23 Joshua Pepper , Andrew Gould , D. L. Depoy

Studies of future space- and ground-based exoplanet surveys often rely on models of planetary systems to simulate instrument response, estimate scientific yields, perform trade analyses, and study efficient observation strategies. Until…

Earth and Planetary Astrophysics · Physics 2022-02-09 Christopher C. Stark

Of the known transiting extra-solar planets, a few have been detected through photometric follow-up observations of radial velocity planets. Perhaps the best known of these is the transiting exoplanet HD 209458b. For hot Jupiters (periods…

Astrophysics · Physics 2009-06-23 Stephen R. Kane

One of the persistent complications in searches for transiting exoplanets is the low percentage of the detected candidates that ultimately prove to be planets, which significantly increases the load on the telescopes used for the follow-up…

Earth and Planetary Astrophysics · Physics 2011-01-12 Brandon Tingley , Aldo Bonomo , Hans-Jörg Deeg

Several processes can cause the shape of an extrasolar giant planet's shadow, as viewed in transit, to depart from circular. In addition to rotational effects, cloud formation, non-homogenous haze production and movement, and dynamical…

Earth and Planetary Astrophysics · Physics 2014-11-20 Jason W. Barnes , Curtis S. Cooper , Adam P. Showman , William B. Hubbard

The Transiting Exoplanet Survey Satellite (TESS) mission measured light from stars in ~75% of the sky throughout its two year primary mission, resulting in millions of TESS 30-minute cadence light curves to analyze in the search for…

We analyze the potential transit light curve effects due to a Clarke belt of satellites around an exoplanet. Building on code and analysis from Korpela, Sallmen, & Leystra Greene (2015), we refine the transit analysis of Socas-Navarro…

Earth and Planetary Astrophysics · Physics 2019-12-16 Shauna Sallmen , Eric J. Korpela , Kaisa Crawford-Taylor

Many of the directly imaged self-luminous gas giant exoplanets have been found to have cloudy atmospheres. Scattering of the emergent thermal radiation from these planets by the dust grains in their atmospheres should locally give rise to…

Solar and Stellar Astrophysics · Physics 2016-06-21 Sujan Sengupta , Mark S. Marley

Despite the ever-growing number of exoplanets discovered and the extensive analyses carried out to find their potential satellites, only two exomoon candidates, Kepler-1625b-i and Kepler-1708 b-i, have been discovered to date. A…

Earth and Planetary Astrophysics · Physics 2023-11-09 Sz. Kálmán , Sz. Csizmadia , A. E. Simon , K. W. F. Lam , A. Deline , J. -V. Harre , Gy. M. Szabó

This chapter reviews various methods of detecting planetary companions to stars from an observational perspective, focusing on radial velocities, astrometry, direct imaging, transits, and gravitational microlensing. For each method, this…

Earth and Planetary Astrophysics · Physics 2012-10-11 Jason T. Wright , B. Scott Gaudi