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Four New Planets Around Giant Stars and the Mass-Metallicity Correlation of Planet-Hosting Stars [PDF]
Astronomy and Astrophysics, 2016 Context. Exoplanet searches have revealed interesting correlations between the stellar properties and the occurrence rate of planets. In particular, different independent surveys have demonstrated that giant planets are preferentially found around metal ...
Robert A. Wittenmyer +2 more
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Evolved Stars Suggest an External Origin of the Enhanced Metallicity in Planet-Hosting Stars
Astronomy and Astrophysics, 2007 Aims. Exo-planets are preferentially found around high metallicity main sequence stars. We investigate whether evolved stars share this property, and its implications for planet formation.
J Setiawan, M P Döllinger, L da Silva
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Monthly Notices of the Royal Astronomical Society, 2016 Kepler has revolutionized our understanding of both exoplanets and their host stars. Asteroseismology is a valuable tool in the characterization of stars and Kepler is an excellent observing facility to perform asteroseismology.
Jørgen Christensen-Dalsgaard +2 more
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Monthly Notices of the Royal Astronomical Society, 2020 The study of planet occurrence as a function of stellarmass is important for a better understanding of planet formation. Estimating stellar mass, especially in the red giant regime, is difficult.
Tim Bedding +2 more
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Host Star Evolution for Planet Habitability
Origins of Life and Evolution of Biospheres, 2016With about 2000 exoplanets discovered within a large range of different configurations of distance from the star, size, mass, and atmospheric conditions, the concept of habitability cannot rely only on the stellar effective temperature anymore. In addition to the natural evolution of habitability with the intrinsic stellar parameters, tidal, magnetic ...
Gallet, Florian +2 more
openaire +4 more sources
A Detailed Spectropolarimetric Analysis of the Planet-Hosting Star WASP-12*, [PDF]
Astrophysical Journal, 2010 The knowledge of accurate stellar parameters is paramount in several fields of stellar astrophysics, particularly in the study of extrasolar planets, where often the star is the only visible component and therefore used to infer the planet's fundamental ...
Carole Ann Haswell +2 more
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Interferometric Diameters of Five Evolved Intermediate-Mass Planet-Hosting Stars Measured With PAVO at the CHARA Array [PDF]
Monthly Notices of the Royal Astronomical Society, 2018 Debate over the planet occurrence rates around intermediate-mass stars has hinged on the accurate determination of masses of evolved stars, and has been exacerbated by a paucity of reliable, directly measured fundamental properties for these stars.
Tim Bedding +2 more
exaly +2 more sources
Magnetic Fields in Planet-Hosting Stars
2017The stellar magnetic field is a prime ingredient in the interactions between a parent star and its planets. Impacts on the stellar surface or dynamo as well as on the planetary atmosphere and internal structure are expected from these interactions. The magnetic field also plays a huge role in the formation and evolution of the system.
Moutou, Claire +2 more
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Planet host stars in open clusters
Science China Physics, Mechanics & Astronomy, 2014We have compiled a list of all planet host star candidates reported in the literature, which are likely to be cluster members, and we checked their memberships by the spatial location, radial velocity, proper motion and photometric criteria. We found that only six stars, BD-13 2130, HD 28305, Kepler-66, Kepler-67, Pr0201 and Pr0211, are planet orbiting
XiaoLing Yang, YuQin Chen, Gang Zhao
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