The role of sticky interstellar organic material in the formation of asteroids

Kudo, T.; Kouchi, A.; Arakawa, M. et al.

Meteoritics & Planetary Science, 2002, 37(12), 1975-1983

Permalink : https://hdl.handle.net/2115/17114

このアイテムのアクセス数:1,561件（2026-01-25 12:14 集計）

ファイル	フォーマット	サイズ	閲覧回数	説明
M&PS37-12-1975	pdf	261 KB	1,299

アクセス権	open access
URI	https://hdl.handle.net/2115/17114
タイトル	The role of sticky interstellar organic material in the formation of asteroids
著者	Kudo, T. ; Kouchi, A. ; Arakawa, M. ; Nakano, H.
著者名 Kudo, T.
e-Rad_Researcher 60161866 著者名 Kouchi, A.
著者名 Arakawa, M.
著者名 Nakano, H.
言語	英語
発行日	2002-12
出版者	The University of Arizona
収録物名	Meteoritics & Planetary Science
巻(号)	37(12)
ページ	1975-1983
抄録	Collision experiments and measurements of viscoelastic properties were performed involving an interstellar organic material analogue to investigate the growth of organic grains in the protosolar nebula. The organic material was found to be stickiest at a radius of between 2.3 and 3.0 AU, with a maximum sticking velocity of 5 m s-1 for millimeter-size organic grains. This stickiness is considered to have resulted in the very rapid coagulation of organic grain aggregates and subsequent formation of planetesimals in the early stage of the turbulent accretion disk. The planetesimals formed in this region appear to be represent achondrite parent bodies. In contrast, the formation of planetesimals at <2.1 and >3.0 AU begins with the establishment of a passive disk because silicate and ice grains are not as sticky as organic grains.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
PISSN	1086-9379