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Interior Models of Uranus and Neptune
Interior Models Uranus Neptune
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2011/1/11
'Empirical' models (pressure vs. density) of Uranus and Neptune interiors constrained by the gravitational coefficients J_2, J_4, the planetary radii and masses, and Voyager solid-body rotation period...
HAT-P-26b: A Low-Density Neptune-Mass Planet Transiting a K Star
Earth and Planetary Astrophysics (astro-ph.EP)
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2010/12/24
We report the discovery of HAT-P-26b, a transiting extrasolar planet orbiting the moderately bright V=11.744 K1 dwarf star GSC 0320-01027, with a period P = 4.234516 +- 0.000015 d, transit epoch Tc = ...
The HARPS search for southern extra-solar planets. XXIV. Companions to HD 85390, HD 90156 and HD 103197: A Neptune analogue and two intermediate mass planets
Earth and Planetary Astrophysics (astro-ph.EP)
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2010/12/24
We report the detection of three new extrasolar planets orbiting the solar type stars HD 85390, HD 90156 and HD 103197 with the HARPS spectrograph mounted on the ESO 3.6-m telescope at La Silla observ...