On the detection of satellites of extrasolar planets with
the method of transits

Sartoretti, Paola; Schneider, Jodi

doi:10.1051/aas:1999148

Cited by 235 publications

(281 citation statements)

References 7 publications

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“…A planet hosting a large moon (or family of moons) orbits around the center of mass of the system, rather than following a Keplerian orbit around the central star. Thus, the length of time in between transits of the planet across the star is different from what would be predicted for a solo planet on a Keplerian orbit [42]. This effect is called "transit timing variation," or TTV.…”

Section: Transitsmentioning

confidence: 91%

Formation of exomoons: a solar system perspective

Barr

2016

Astronomical Review

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Satellite formation is a natural by-product of planet formation. With the discovery of numerous extrasolar planets, it is likely that moons of extrasolar planets (exomoons) will soon be discovered. Some of the most promising techniques can yield both the mass and radius of the moon. Here, I review recent ideas about the formation of moons in our Solar System, and discuss the prospects of extrapolating these theories to predict the sizes of moons that may be discovered around extrasolar planets. It seems likely that planet-planet collisions could create satellites around rocky or icy planets which are large enough to be detected by currently available techniques. Detectable exomoons around gas giants may be able to form by co-accretion or capture, but determining the upper limit on likely moon masses at gas giant planets requires more detailed, modern simulations of these processes.

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Section: Transitsmentioning

confidence: 91%

Formation of exomoons: a solar system perspective

Barr

2016

Astronomical Review

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“…For temperate planets around earlier-type stars, direct imaging will be a more appropriate technique as transit observations would be rather impractical in these cases. The hunt for exo-moons as other possible abodes of life is now one of the hottest subject Sartoretti and Schneider 1999;Kipping 2009aKipping , 2009b. While the race to find the very first one with Kepler (Kipping et al 2009) or other techniques (Han 2008;Lewis et al 2008;Simon et al 2009) has become rather fierce, the new ESA Jupiter Icy Moon Explorer (JUICE) mission will provide new insight about Jupiter's environment and its impact on the Galilean moons (Dougherty et al 2012).…”

Section: Overviewmentioning

confidence: 99%

Spectroscopy of planetary atmospheres in our Galaxy

Tinetti

Encrenaz

Coustenis

2013

Astron Astrophys Rev

130

111

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About 20 years after the discovery of the first extrasolar planet, the number of planets known has grown by three orders of magnitude, and continues to increase at neck breaking pace. For most of these planets we have little information, except for the fact that they exist and possess an address in our Galaxy. For about one third of them, we know how much they weigh, their size and their orbital parameters. For less than 20, we start to have some clues about their atmospheric temperature and composition. How do we make progress from here?We are still far from the completion of a hypothetical Hertzsprung-Russell diagram for planets comparable to what we have for stars, and today we do not even know whether such classification will ever be possible or even meaningful for planetary objects. But one thing is clear: planetary parameters such as mass, radius and temperature alone do not explain the diversity revealed by current observations. The chemical composition of these planets is needed to trace back their formation history and evolution, as happened for the planets in our Solar System. As in situ measurements are and will remain off-limits for exoplanets, to study their chemical composition we will have to rely on remote sensing spectroscopic observations of their gaseous envelopes.

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“…Analyses of a planet's transit timing (Sartoretti & Schneider 1999;Szabó et al 2006) & transit duration (Kipping 2009a,b) variations in combination with direct observations of the satellite transit (Szabó et al 2006;Simon et al 2007;Tusnski & Valio 2011) can give reasonable constraints on Eq.…”

Section: Illuminationmentioning

confidence: 99%

Constraints on the Habitability of Extrasolar Moons

Heller¹,

Barnes²

2012

Proc. IAU

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Abstract. Detections of massive extrasolar moons are shown feasible with the Kepler space telescope. Kepler 's findings of about 50 exoplanets in the stellar habitable zone naturally make us wonder about the habitability of their hypothetical moons. Illumination from the planet, eclipses, tidal heating, and tidal locking distinguish remote characterization of exomoons from that of exoplanets. We show how evaluation of an exomoon's habitability is possible based on the parameters accessible by current and near-future technology.

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On the detection of satellites of extrasolar planets with the method of transits

Cited by 235 publications

References 7 publications

Formation of exomoons: a solar system perspective

Formation of exomoons: a solar system perspective

Spectroscopy of planetary atmospheres in our Galaxy

Constraints on the Habitability of Extrasolar Moons

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