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Analysis of Ice Absorption Features toward YSO Candidates using AKARI
https://jaxa.repo.nii.ac.jp/records/3136
https://jaxa.repo.nii.ac.jp/records/3136e22f14fe-8401-4163-9530-1e808b22f87d
名前 / ファイル | ライセンス | アクション |
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AA1730026062.pdf (926.9 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2018-05-18 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Analysis of Ice Absorption Features toward YSO Candidates using AKARI | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | astrochemistry | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | circumstellar matter | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | stars: evolution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | dust extinction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | infrared: stars | |||||
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 |
木村, 智幸
× 木村, 智幸× 尾中, 敬× 左近, 樹× 下西, 隆× Kimura, Tomoyuki× Onaka, Takashi× Sakon, Itsuki× Shimonishi, Takashi |
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著者所属 | ||||||
東京大学 | ||||||
著者所属 | ||||||
東京大学 | ||||||
著者所属 | ||||||
東京大学 | ||||||
著者所属 | ||||||
東北大学学際科学フロンティア研究所 | ||||||
著者所属(英) | ||||||
en | ||||||
The University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
The University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
The University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
Frontier Research Institute for Interdisciplinary Sciences, Tohoku University | ||||||
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: The Cosmic Wheel and the Legacy of the AKARI archive: from galaxies and stars to planets and life 巻 JAXA-SP-17-009E, p. 321-324, 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) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 第4回「あかり」国際会議 (2017年10月17-20日. 東京大学), 文京区, 東京 | |||||
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 | The 4th AKARI International Conference: The Cosmic Wheel and the Legacy of the AKARI archive: from galaxies and stars to planets and life (October 17-20, 2017. The University of Tokyo), Bunkyo-ku, Tokyo, Japan | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We serendipitously discovered two young stellar object (YSO) candidates using the slit-less spectroscopic mode of the InfraRed Camera (IRC) on board AKARI. They are not associated with any known star-forming regions in the Galactic plane. Absorption bands of molecular species, including solid phase H2O, CO2, CO, and possibly gas phase CO, are seen in the spectra of both sources. In one of the sources, absorption bands of crystalline H2O, XCN, organics, and silicates are also seen. These results suggest that the objects are highly embedded class I YSOs or class II YSOs with an edge-on disk. However, their bluer color than typical YSOs and non-detection at far-infrared are not reconciled with expected spectral energy distributions of YSOs. Confirmation of these objects as YSOs will have a significant impact on the YSO study because it will suggest that a number of YSOs may have eluded detection in past infrared photometric surveys and could renew the census of YSOs on a galactic scale and their evolutionary tracks. The constraint of the properties of warm CO gas from high resolution spectroscopy in the M-band is crucial to reveal the true nature of the objects. | |||||
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: AA1730026062 | |||||
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-17-009E |