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4 papers · 2 filters
On the secular behavior of dust particles in an eccentric protoplanetary disk with an embedded massive gas giant planet
He-Feng Hsieh, Pin-Gao Gu
We investigate the dust velocity and spatial distribution in an eccentric protoplanetary disk under the secular gravitational perturbation of an embedded planet of about 5 Jupiter…
A dynamical study on the habitability of terrestrial exoplanets I: Tidally evolved planet-satellite pairs
R. Brasser, S. Ida, E. Kokubo
We investigate the obliquity and spin period of Earth-Moon like systems after 4.5 Gyr of tidal evolution with various satellite masses and initial planetary obliquity and discuss t…
A Common Proper Motion Stellar Companion to HAT-P-7
Norio Narita, Yasuhiro H. Takahashi, Masayuki Kuzuhara +51
We report that HAT-P-7 has a common proper motion stellar companion. The companion is located at arcsec to the east and estimated as an M5.5V dwarf based on its colors. W…
Coupled evolutions of the stellar obliquity, orbital distance, and planet's radius due to the Ohmic dissipation induced in a diamagnetic hot Jupiter around a magnetic T Tauri star
Yu-Ling Chang, Peter H. Bodenheimer, Pin-Gao Gu
We revisit the calculation of the Ohmic dissipation in a hot Jupiter presented in Laine et al. (2008) by considering more realistic interior structures, stellar obliquity, and the…