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The Radial Velocity Signature of Tides Raised in Stars Hosting Exoplanets
stars: planetary systems – stars: solar type – hydrodynamics – waves – planet-star interactions
2011/10/18
Close-in, massive exoplanets raise significant tides in their stellar hosts. We compute the radial velocity (RV) signal due to this fluid motion in the equilibrium tide approximation. The predicted ra...
The HARPS search for southern extra-solar planets. XXXI. Magnetic activity cycles in solar-type stars: statistics and impact on precise radial velocities
Planetary systems – Stars: activity – Stars: chromospheres – Line: profi les – Techniques: radial velocities – Techniques:spectroscopic
2011/10/17
Context. Searching for extrasolar planets through radial velocity measurements relies on the stability of stellar photospheres. Aims. We aim at characterizing the statistical properties of magnetic ac...
Physical parameters of rr lyrae stars in the globular cluster ngc 5466：the oosterhoff
rr lyrae stars oosterhoff globular cluster ngc 5466
2009/6/25
Physical parameters of rr lyrae stars in the globular cluster ngc 5466：the oosterhoff
dichotomy。
Opening an Eye to the Stars（图）
Stars
2007/1/31
Jan 26, 2007，The COROT telescope has successfully opened its protective cover and began gazing at the stars. In February COROT will officially begin scientific observations, which include the search f...