235 citations · 2.2k across the 58 of their papers we have counts for
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astro-ph2007★ 144 cited
Origin of the Ocean on the Earth: Early Evolution of Water D/H in a Hydrogen-rich Atmosphere
Hidenori Genda, Masahiro Ikoma
The origin of the Earth's ocean has been discussed on the basis of deuterium/hydrogen ratios (D/H) of several sources of water in the solar system. The average D/H of carbonaceous…
astro-ph2006★ 105 cited
On the Origin of HD149026b
M. Ikoma, T. Guillot, H. Genda +2
The high density of the close-in extrasolar planet HD149026b suggests the presence of a huge core in the planet, which challenges planet formation theory. We first derive constrain…
astro-ph2006★ 235 cited
Constraints on the mass of a habitable planet with water of nebular origin
Masahiro Ikoma, Hidenori Genda
From an astrobiological point of view, special attention has been paid to the probability of habitable planets in extrasolar systems. The purpose of this study is to constrain a po…