Orbital evolution of a circumbinary planet in a gaseous disk
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- Material Type
- 記事
- Author/Editor
- Akihiro YamanakaTakanori Sasaki
- Publication, Distribution, etc.
- Publication Date
- 2019-07-30
- Publication Date (W3CDTF)
- 2019-07-30
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 71(82)
- Volume
- 71(82)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-019-1064-0
- Persistent ID (NDL)
- info:ndljp/pid/11377507
- Collection
- Collection (Materials For Handicapped People:1)
- Collection (particular)
- 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他
- Acquisition Basis
- オンライン資料収集制度
- Date Accepted (W3CDTF)
- 2019-10-28T20:45:15+09:00
- Date Captured (W3CDTF)
- 2019-10-28
- Format (IMT)
- application/pdf
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象外
- Availability of remote photoduplication service
- 可
- Periodical Title (URI)
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/11245705
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- Summary, etc.
- Sub-Jupiter classed circumbinary planets discovered in close-in binary systems have orbits just beyond the dynamically unstable region, which is determined by the eccentricity and mass ratio of the host binary stars. These planets are assumed to have formed beyond the snow line and migrated to the current orbits rather than forming in situ. We propose a scenario in which a planet formed beyond the snow line and migrated to the inner edge of the circumbinary disk, which was within the unstable area, and then moved to the current orbit through outward transportation. This outward transportation is driven by the balance of orbital excitation of the central stars inside the gravitationally unstable region and damping by the gas-drag force. We carried out N-body simulations with a dissipating circumbinary protoplanetary disk for binary systems with different eccentricities and mass ratios. Planets are more likely to achieve a stable orbit just beyond the unstable region in less eccentric binary systems. This result is not as sensitive to mass ratio as it is to eccentricity. These dependencies are consistent with the data from observed binary systems hosting circumbinary planets. We find CBPs’ orbits close to the instability boundaries are explained by our orbital evolution scenario.
- DOI
- 10.1186/s40623-019-1064-010.48550/arxiv.1907.09793
- Access Restrictions
- インターネット公開
- Rights (production)
- © The Author(s). This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
- Related Material (URI)
- References
- On the formation and migration of giant planets in circumbinary discsDynamics of binary-disk interaction. 1: Resonances and disk gap sizesThe dynamics and stability of circumbinary orbitsON THE FATE OF UNSTABLE CIRCUMBINARY PLANETS: TATOOINE’S CLOSE ENCOUNTERS WITH A DEATH STARMigration and gas accretion scenarios for the Kepler 16, 34, and 35 circumbinary planetsResonance Overlap Is Responsible for Ejecting Planets in Binary SystemsPLANET HUNTERS: A TRANSITING CIRCUMBINARY PLANET IN A QUADRUPLE STAR SYSTEMThe Effect of Tidal Interaction with a Gas Disk on Formation of Terrestrial PlanetsKEPLER-1647B: THE LARGEST AND LONGEST-PERIOD KEPLER TRANSITING CIRCUMBINARY PLANETKepler-16: A Transiting Circumbinary PlanetToward a Deterministic Model of Planetary Formation. IV. Effects of Type I MigrationStability Limits of Circumbinary Planets: Is There a Pile-up in the Kepler CBPs?Migration of planets in circumbinary discsTHE NEPTUNE-SIZED CIRCUMBINARY PLANET KEPLER-38bNumerical experiments on planetary orbits in double starsA machine learns to predict the stability of circumbinary planetsPlanet packing in circumbinary systemsKEPLER 453 b—THE 10th<i>KEPLER</i>TRANSITING CIRCUMBINARY PLANETKepler-47: A Transiting Circumbinary Multiplanet SystemDensity Waves in the Solar Nebula: Planetesimal VelocitiesLong-Term Stability of Planets in Binary SystemsTransiting circumbinary planets Kepler-34 b and Kepler-35 bKEPLER-413B: A SLIGHTLY MISALIGNED, NEPTUNE-SIZE TRANSITING CIRCUMBINARY PLANET
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- 学術機関リポジトリデータベース雑誌記事索引データベースCrossrefCiNii Articles科学研究費助成事業データベース
- Bibliographic ID (NDL)
- 11377507
- NAID
- 120006712300