The detection and characterization of a nontransiting planet by transit timing variations

David Nesvorný; David M. Kipping; Lars A. Buchhave; Gáspár Á. Bakos; Joel Hartman; Allan R. Schmitt

doi:10.1126/science.1221141

The detection and characterization of a nontransiting planet by transit timing variations

David Nesvorný, David M. Kipping, Lars A. Buchhave, Gáspár Á. Bakos, Joel Hartman, Allan R. Schmitt

Astrofysik og Planetforskning

90 Citationer (Scopus)

Abstract

The Kepler mission is monitoring the brightness of ∼150,000 stars, searching for evidence of planetary transits. As part of the Hunt for Exomoons with Kepler (HEK) project, we report a planetary system with two confirmed planets and one candidate planet discovered with the publicly available data for KOI-872. Planet b transits the host star with a period P_b = 33.6 days and exhibits large transit timing variations indicative of a perturber. Dynamical modeling uniquely detects an outer nontransiting planet c near the 5:3 resonance (P_c = 57.0 days) with a mass 0.37 times that of Jupiter. Transits of a third planetary candidate are also found: a 1.7-Earth radius super-Earth with a 6.8-day period. Our analysis indicates a system with nearly coplanar and circular orbits, reminiscent of the orderly arrangement within the solar system.

Originalsprog	Engelsk
Tidsskrift	Science
Vol/bind	336
Udgave nummer	6085
Sider (fra-til)	1133-1136
Antal sider	4
ISSN	0036-8075
DOI	https://doi.org/10.1126/science.1221141
Status	Udgivet - 1 jun. 2012

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10.1126/science.1221141

https://www.science.org/cms/asset/2f16fccc-3060-455f-ba6d-fea562289dbd/pap.pdf

Citationsformater

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abstract = "The Kepler mission is monitoring the brightness of ∼150,000 stars, searching for evidence of planetary transits. As part of the Hunt for Exomoons with Kepler (HEK) project, we report a planetary system with two confirmed planets and one candidate planet discovered with the publicly available data for KOI-872. Planet b transits the host star with a period Pb = 33.6 days and exhibits large transit timing variations indicative of a perturber. Dynamical modeling uniquely detects an outer nontransiting planet c near the 5:3 resonance (Pc = 57.0 days) with a mass 0.37 times that of Jupiter. Transits of a third planetary candidate are also found: a 1.7-Earth radius super-Earth with a 6.8-day period. Our analysis indicates a system with nearly coplanar and circular orbits, reminiscent of the orderly arrangement within the solar system.",

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T1 - The detection and characterization of a nontransiting planet by transit timing variations

AU - Nesvorný, David

AU - Kipping, David M.

AU - Buchhave, Lars A.

AU - Bakos, Gáspár Á.

AU - Hartman, Joel

AU - Schmitt, Allan R.

PY - 2012/6/1

Y1 - 2012/6/1

N2 - The Kepler mission is monitoring the brightness of ∼150,000 stars, searching for evidence of planetary transits. As part of the Hunt for Exomoons with Kepler (HEK) project, we report a planetary system with two confirmed planets and one candidate planet discovered with the publicly available data for KOI-872. Planet b transits the host star with a period Pb = 33.6 days and exhibits large transit timing variations indicative of a perturber. Dynamical modeling uniquely detects an outer nontransiting planet c near the 5:3 resonance (Pc = 57.0 days) with a mass 0.37 times that of Jupiter. Transits of a third planetary candidate are also found: a 1.7-Earth radius super-Earth with a 6.8-day period. Our analysis indicates a system with nearly coplanar and circular orbits, reminiscent of the orderly arrangement within the solar system.

AB - The Kepler mission is monitoring the brightness of ∼150,000 stars, searching for evidence of planetary transits. As part of the Hunt for Exomoons with Kepler (HEK) project, we report a planetary system with two confirmed planets and one candidate planet discovered with the publicly available data for KOI-872. Planet b transits the host star with a period Pb = 33.6 days and exhibits large transit timing variations indicative of a perturber. Dynamical modeling uniquely detects an outer nontransiting planet c near the 5:3 resonance (Pc = 57.0 days) with a mass 0.37 times that of Jupiter. Transits of a third planetary candidate are also found: a 1.7-Earth radius super-Earth with a 6.8-day period. Our analysis indicates a system with nearly coplanar and circular orbits, reminiscent of the orderly arrangement within the solar system.

U2 - 10.1126/science.1221141

DO - 10.1126/science.1221141

M3 - Journal article

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JF - Science

IS - 6085

ER -

The detection and characterization of a nontransiting planet by transit timing variations

Abstract

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