273 citations · 3.9k across the 82 of their papers we have counts for
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Opacity of fluffy dust aggregates
Akimasa Kataoka, Satoshi Okuzumi, Hidekazu Tanaka +1
Context. Dust grains coagulate to form dust aggregates in protoplanetary disks. Their porosity can be extremely high in the disks. Although disk emission may come from fluffy dust…
Local Enhancement of Surface Density in the Protoplanetary Ring Surrounding HD 142527
Misato Fukagawa, Takashi Tsukagoshi, Munetake Momose +15
We report ALMA observations of dust continuum, 13CO J=3--2, and C18O J=3--2 line emission toward a gapped protoplanetary disk around HD 142527. The outer horseshoe-shaped disk show…
Fluffy dust forms icy planetesimals by static compression
Akimasa Kataoka, Hidekazu Tanaka, Satoshi Okuzumi +1
Context: In planetesimal formation theory, several barriers have been proposed, which are bouncing, fragmentation, and radial drift problems. To understand the structure evolution…
Static compression of porous dust aggregates
Akimasa Kataoka, Hidekazu Tanaka, Satoshi Okuzumi +1
Context: In protoplanetary disks, dust grains coagulate with each other and grow to form aggregates. As these aggregates grow by coagulation, their filling factor ϕdecreases down t…