THE PAN-PACIFIC PLANET SEARCH. IV. TWO SUPER-JUPITERS IN A 3:5 RESONANCE ORBITING THE GIANT STAR HD 33844

Robert A. Wittenmyer; John Asher Johnson; R. P. Butler; Jonathan Horner; Liang Wang; Paul Robertson; M. I. Jones; J. S. Jenkins; R. Brahm; C. G. Tinney; M. W. Mengel; J. Clark

doi:10.3847/0004-637X/818/1/35

THE PAN-PACIFIC PLANET SEARCH. IV. TWO SUPER-JUPITERS IN A 3:5 RESONANCE ORBITING THE GIANT STAR HD 33844

Robert A. Wittenmyer
, John Asher Johnson
, R. P. Butler
, Jonathan Horner
, Liang Wang
, Paul Robertson
, M. I. Jones
, J. S. Jenkins
, R. Brahm
, C. G. Tinney
, M. W. Mengel
, J. Clark

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

34 Citas (Scopus)

Resumen

We report the discovery of two giant planets orbiting the K giant HD 33844 based on radial velocity data from three independent campaigns. The planets move on nearly circular orbits with semimajor axes a_b = 1.60 ± 0.02 AU and a_c = 2.24 ± 0.05 AU, and have minimum masses (m sin i) of M_b = 1.96 ± 0.12 M_Jup and M_c = 1.76 ± 0.18 M_Jup. Detailed N-body dynamical simulations show that the two planets have remained on stable orbits for more than 106 years for low eccentricities and are most likely trapped in a mutual 3:5 mean motion resonance.

Idioma original	Inglés
Número de artículo	35
Publicación	Astrophysical Journal
Volumen	818
N.º	1
DOI	https://doi.org/10.3847/0004-637X/818/1/35
Estado	Publicada - 10 feb 2016
Publicado de forma externa	Sí

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Wittenmyer, R. A., Johnson, J. A., Butler, R. P., Horner, J., Wang, L., Robertson, P., Jones, M. I., Jenkins, J. S., Brahm, R., Tinney, C. G., Mengel, M. W., & Clark, J. (2016). THE PAN-PACIFIC PLANET SEARCH. IV. TWO SUPER-JUPITERS IN A 3:5 RESONANCE ORBITING THE GIANT STAR HD 33844. Astrophysical Journal, 818(1), Artículo 35. https://doi.org/10.3847/0004-637X/818/1/35

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abstract = "We report the discovery of two giant planets orbiting the K giant HD 33844 based on radial velocity data from three independent campaigns. The planets move on nearly circular orbits with semimajor axes ab = 1.60 ± 0.02 AU and ac = 2.24 ± 0.05 AU, and have minimum masses (m sin i) of Mb = 1.96 ± 0.12 MJup and Mc = 1.76 ± 0.18 MJup. Detailed N-body dynamical simulations show that the two planets have remained on stable orbits for more than 106 years for low eccentricities and are most likely trapped in a mutual 3:5 mean motion resonance.",

keywords = "planetary systems, stars: individual (HD 33844), techniques: radial velocities",

author = "Wittenmyer, \{Robert A.\} and Johnson, \{John Asher\} and Butler, \{R. P.\} and Jonathan Horner and Liang Wang and Paul Robertson and Jones, \{M. I.\} and Jenkins, \{J. S.\} and R. Brahm and Tinney, \{C. G.\} and Mengel, \{M. W.\} and J. Clark",

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AU - Wittenmyer, Robert A.

AU - Johnson, John Asher

AU - Butler, R. P.

AU - Horner, Jonathan

AU - Wang, Liang

AU - Robertson, Paul

AU - Jones, M. I.

AU - Jenkins, J. S.

AU - Brahm, R.

AU - Tinney, C. G.

AU - Mengel, M. W.

AU - Clark, J.

PY - 2016/2/10

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N2 - We report the discovery of two giant planets orbiting the K giant HD 33844 based on radial velocity data from three independent campaigns. The planets move on nearly circular orbits with semimajor axes ab = 1.60 ± 0.02 AU and ac = 2.24 ± 0.05 AU, and have minimum masses (m sin i) of Mb = 1.96 ± 0.12 MJup and Mc = 1.76 ± 0.18 MJup. Detailed N-body dynamical simulations show that the two planets have remained on stable orbits for more than 106 years for low eccentricities and are most likely trapped in a mutual 3:5 mean motion resonance.

AB - We report the discovery of two giant planets orbiting the K giant HD 33844 based on radial velocity data from three independent campaigns. The planets move on nearly circular orbits with semimajor axes ab = 1.60 ± 0.02 AU and ac = 2.24 ± 0.05 AU, and have minimum masses (m sin i) of Mb = 1.96 ± 0.12 MJup and Mc = 1.76 ± 0.18 MJup. Detailed N-body dynamical simulations show that the two planets have remained on stable orbits for more than 106 years for low eccentricities and are most likely trapped in a mutual 3:5 mean motion resonance.

KW - planetary systems

KW - stars: individual (HD 33844)

KW - techniques: radial velocities

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THE PAN-PACIFIC PLANET SEARCH. IV. TWO SUPER-JUPITERS IN A 3:5 RESONANCE ORBITING THE GIANT STAR HD 33844

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