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Cool Dust in the Environments of Evolved Massive Stars: Wolf-Rayet Stars at High Galactic Latitudes
https://jaxa.repo.nii.ac.jp/records/3029
https://jaxa.repo.nii.ac.jp/records/3029a560738a-31f2-4992-a2df-58693cee393a
名前 / ファイル | ライセンス | アクション |
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AA1730027052.pdf (708.5 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2018-05-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Cool Dust in the Environments of Evolved Massive Stars: Wolf-Rayet Stars at High Galactic Latitudes | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
著者 |
Marston, Anthony P.
× Marston, Anthony P. |
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著者所属(英) | ||||||
en | ||||||
European Space Astronomy Centre, European Space Agency (ESAC/ESA) | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構(JAXA) | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料 en : JAXA Special Publication: Proceedings of the SPICA Science Conference from Exoplanets to Distant Galaxies: SPICA's New Window on the Cool Universe 巻 JAXA-SP-17-010E, p. 245-247, 発行日 2018-03-09 |
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会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | SPICA Science Conference from Exoplanets to Distant Galaxies: SPICA's New Window on the Cool Universe (June 18-21, 2013. Ito Hall, the University of Tokyo), Bunkyou-ku, Tokyo, Japan | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | As very massive stars evolve, they pass through several evolutionary stages of fast and slow wind mass loss towards their expected end as supernovae. The precise evolutionary path of massive stars of various masses above 20solar mass is unclear and may be highly affected by the presence of binary companions. An excellent probe of the evolution of evolved massive stars, such as Wolf-Rayet stars, is their circumstellar environment. In particular, knowledge of the amount of mass loss, structure of ejecta, timescales for mass loss and ejecta chemistry indicate the likely state of the massive star in prior evolutionary phases, as the evolutionary phases leave their imprint on the surroundings. Here we present the results of studies with the Herschel PACS and SPIRE instruments at wavelengths between 70 and 500 μm together with AKARI/FIS data at 90 and 140 μm to investigate the environments of Wolf-Rayet stars in an attempt to distinguish the cool and massive component of the expelled material from earlier mass-loss phases of Wolf-Rayet stars with implications on likely ejecta formation mechanisms and stellar histories. Studies of objects at higher galactic latitudes reduces problems with unrelated structures along the line of sight. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: カラー図版あり | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Physical characteristics: Original contains color illustrations | |||||
ISSNONLINE | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2433-2232 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA1730027052 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-17-010E |