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Five Kepler target stars that show multiple transiting exoplanet candidates
Earth and Planetary Astrophysics · Submitted 14 Jun 2010
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Should these objects prove to be planetary in nature, then these five systems open new opportunities for the field of exoplanets and provide new insights into the formation and dynamical evolution of planetary systems.
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We present and discuss five candidate exoplanetary systems identified with the Kepler spacecraft. These five systems show transits from multiple exoplanet candidates. Should these objects prove to be planetary in nature, then these five systems open new opportunities for the field of exoplanets and provide new insights into the formation and dynamical evolution of planetary systems. We discuss the methods used to identify multiple transiting objects from the Kepler photometry as well as the false-positive rejection methods that have been applied to these data. One system shows transits from three distinct objects while the remaining four systems show transits from two objects. Three systems have planet candidates that are near mean motion commensurabilities---two near 2:1 and one just outside 5:2. We discuss the implications that multitransiting systems have on the distribution of orbital inclinations in planetary systems, and hence their dynamical histories; as well as their likely masses and chemical compositions. A Monte Carlo study indicates that, with additional data, most of these systems should exhibit detectable transit timing variations (TTV) due to gravitational interactions---though none are apparent in these data. We also discuss new challenges that arise in TTV analyses due to the presence of more than two planets in a system.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We present and discuss five candidate exoplanetary systems identified with the Kepler spacecraft. | contribution 0.99 | 0.93 | 0.13 | asserted 0.99 |
| s1 | These five systems show transits from multiple exoplanet candidates. | result 0.80 | 0.80 | 0.20 | asserted 1.00 |
| s2 | Should these objects prove to be planetary in nature, then these five systems open new opportunities for the field of exoplanets and provide new insights into the formation and dynamical evolution of planetary systems. | interpretation 0.98 | 0.08 | 0.37 | hedged possibility 0.95 |
| s3 | We discuss the methods used to identify multiple transiting objects from the Kepler photometry as well as the false-positive rejection methods that have been applied to these data. | method 0.98 | 0.77 | 0.02 | asserted 0.88 |
| s4 | One system shows transits from three distinct objects while the remaining four systems show transits from two objects. | result 0.99 | 0.89 | 0.08 | asserted 1.00 |
| s5 | Three systems have planet candidates that are near mean motion commensurabilities---two near 2:1 and one just outside 5:2. | result 1.00 | 0.85 | 0.05 | asserted 1.00 |
| s6 | We discuss the implications that multitransiting systems have on the distribution of orbital inclinations in planetary systems, and hence their dynamical histories; as well as their likely masses and chemical compositions. | interpretation 0.78 | 0.50 | 0.11 | hedged possibility 0.54 |
| s7 | A Monte Carlo study indicates that, with additional data, most of these systems should exhibit detectable transit timing variations (TTV) due to gravitational interactions---though none are apparent in these data. | result 0.81 | 0.86 | 0.10 | hedged possibility 1.00 |
| s8 | We also discuss new challenges that arise in TTV analyses due to the presence of more than two planets in a system. | contribution 0.68 | 0.49 | 0.04 | asserted 0.91 |
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Original abstract
We present and discuss five candidate exoplanetary systems identified with the Kepler spacecraft. These five systems show transits from multiple exoplanet candidates. Should these objects prove to be planetary in nature, then these five systems open new opportunities for the field of exoplanets and provide new insights into the formation and dynamical evolution of planetary systems. We discuss the methods used to identify multiple transiting objects from the Kepler photometry as well as the false-positive rejection methods that have been applied to these data. One system shows transits from three distinct objects while the remaining four systems show transits from two objects. Three systems have planet candidates that are near mean motion commensurabilities---two near 2:1 and one just outside 5:2. We discuss the implications that multitransiting systems have on the distribution of orbital inclinations in planetary systems, and hence their dynamical histories; as well as their likely masses and chemical compositions. A Monte Carlo study indicates that, with additional data, most of these systems should exhibit detectable transit timing variations (TTV) due to gravitational interactions---though none are apparent in these data. We also discuss new challenges that arise in TTV analyses due to the presence of more than two planets in a system.
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References
How the literature uses it
6 arXiv papers cite this in 10 sentences
Papers citing it · 8 sentences without a confident label
Cites it as background 2 papers
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Science results from the mission have already begun to appear [ref] .
Modeling Kepler transit light curves as false positives: Rejection of blend scenarios for Kepler-9, and validation of Kepler-9d, a super-Earth-size planet in a multiple system · Introduction · 0.99
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The Kepler mission recently announced five candidate systems with multiple transiting planets and is poised to announce additional systems [ref] .
HAT-P-17b,c: A Transiting, Eccentric, Hot Saturn and a Long-period, Cold Jupiter · Introduction · 0.81
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