搜索结果: 1-6 共查到“天体物理学 asteroseismic”相关记录6条 . 查询时间(0.071 秒)
Effects of rotation and magnetic fields on the lithium abundance and asteroseismic properties of exoplanet-host stars
magnetic fields the lithium abundance asteroseismic properties
font style='font-size:12px;'>
2011/1/11
Aims: The effects of rotation and magnetic fields on the surface abundances of solar-type stars are studied in order to investigate whether the reported difference in lithium content of exoplanet-host...
Precise Estimates of the Physical Parameters for the Exoplanet System HD-17156 Enabled by HST FGS Transit and Asteroseismic Observations
stars planetary systems — stars oscillations — stars
font style='font-size:12px;'>
2010/11/9
We present observations of three distinct transits of HD 17156b obtained with the Fine Guidance Sensors (FGS) on board the Hubble Space Telescope (HST)5.
Characterizing Kepler Asteroseismic Targets
space vehicles Kepler – stars abundances – stars fundamental param-eters – stars binaries: spectroscopic
font style='font-size:12px;'>
2010/11/11
Stellar structure and evolution can be studied in great detail by asteroseismic methods, provided data of high precision are available. We determine the effective temperature (Teff), surface gravity (...
A precise asteroseismic age and radius for the evolved Sun-like star KIC 11026764
precise asteroseismic age evolved Sun-like star KIC 11026764
font style='font-size:12px;'>
2011/1/10
The primary science goal of the Kepler Mission is to provide a census of exoplanets in the solar neighborhood, including the identification and characterization of habitable Earth-like planets. The as...
Asteroseismic modelling of the metal-poor star Tau Ceti
Solar and Stellar Astrophysics (astro-ph.SR)
font style='font-size:12px;'>
2011/1/5
Asteroseismology is an effcient tool not only for testing stellar structure and evolutionary theory but also constraining the parameters of stars for which solar-like oscillations are detected, presen...
Asteroseismic Investigation of Known Planet Hosts in the Kepler Field
stars fundamental parameters stars oscillations planetary systems
font style='font-size:12px;'>
2010/3/8
In addition to its great potential for characterizing extra-solar planetary systems the Kepler mission is providing unique data on stellar oscillations. A key aspect of Kepler asteroseismology is the ...