Inefficient Growth of SiOx Grains : Implications for Circumstellar Outflows


Hokkaido University \| Library \| HUSCAP	Advanced Search		言語

	Home
	About HUSCAP
	Open Access Policy

	Browse by Author

Browse
	Communities & Collections

	Scholarly Journals
	Theses
	Doctoral Dissertations Listed by Graduate Schools
	Conference Procs.
	Events

	HUSCAP Senior (in Japanese)

	Societies

	Downloads (country)

For university staff
	How to post your papers to HUSCAP
	Publication of theses
	Helpline about theses publication

Open Archives Compliant

You can search our collection also at:
	Google
	Google Scholar
	CiNii
	IRDB
	OAIster
	NDLTD

Files in This Item:

The file(s) associated with this item can be obtained from the following URL: https://doi.org/10.3847/2041-8213/ac8002

Title:	Inefficient Growth of SiOx Grains : Implications for Circumstellar Outflows
Authors:	Kimura, Yuki Browse this author →KAKEN DB
	Tanaka, Kyoko K. Browse this author
	Inatomi, Yuko Browse this author
	Ferguson, Frank T. Browse this author
	Nuth, Joseph A III. Browse this author
Keywords:	Circumstellar dust
Issue Date:	22-Jul-2022
Publisher:	IOP Publishing
Journal Title:	The Astrophysical journal letters
Volume:	934
Issue:	1
Start Page:	L10
Publisher DOI:	10.3847/2041-8213/ac8002
Abstract:	To explain observations of abundant circumstellar dust and high stellar wind velocity, most models simply postulate the efficient nucleation and growth of silicate dust particles. Here, we report measurement of the SiO-(SiOx)(n) grain sticking coefficient in a microgravity sounding rocket experiment, indicating very inefficient (0.005-0.016) grain formation from the vapor. Application of this measurement to radiative-driven winds in oxygen-rich asymptotic giant branch stars indicates that the initial grain condensate population should consist of very tiny dust particles in very large numbers. Aggregation of this dust population will produce low-dimension fractal aggregates that should couple well to the stellar radiation field and efficiently drive stellar mass loss.
Rights:	https://creativecommons.org/licenses/by/4.0/
Type:	article
URI:	http://hdl.handle.net/2115/86561
Appears in Collections:	低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

OAI-PMH ( junii2 , jpcoar_1.0 )

- Hokkaido University