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  1. B100 理学部/理学研究科
  2. B100a 雑誌掲載論文
  3. 学術雑誌

Three-dimensional dust geometry of the LMC H i ridge region as revealed by the IRSF/SIRIUS survey

http://hdl.handle.net/2237/0002002688
http://hdl.handle.net/2237/0002002688
237584cb-57a0-47b2-b10c-c02e819308e7
名前 / ファイル ライセンス アクション
2105_05421.pdf 2105_05421.pdf (1.7 MB)
Item type itemtype_ver1(1)
公開日 2022-05-09
タイトル
タイトル Three-dimensional dust geometry of the LMC H i ridge region as revealed by the IRSF/SIRIUS survey
言語 en
著者 Furuta, Takuya

× Furuta, Takuya

en Furuta, Takuya

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Kaneda, Hidehiro

× Kaneda, Hidehiro

en Kaneda, Hidehiro

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Kokusho, Takuma

× Kokusho, Takuma

en Kokusho, Takuma

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Nakajima, Yasushi

× Nakajima, Yasushi

en Nakajima, Yasushi

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Fukui, Yasuo

× Fukui, Yasuo

en Fukui, Yasuo

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Tsuge, Kisetsu

× Tsuge, Kisetsu

en Tsuge, Kisetsu

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 This is a pre-copyedited, author-produced version of an article accepted for publication in [Publications of the Astronomical Society of Japan] following peer review. The version of record [Takuya Furuta, Hidehiro Kaneda, Takuma Kokusho, Yasushi Nakajima, Yasuo Fukui, Kisetsu Tsuge, Three-dimensional dust geometry of the LMC H i ridge region as revealed by the IRSF/SIRIUS survey, Publications of the Astronomical Society of Japan, Volume 73, Issue 4, August 2021, Pages 864–879, https://doi.org/10.1093/pasj/psab052] is available online at: https://doi.org/10.1093/pasj/psab052.
キーワード
主題Scheme Other
主題 (galaxies:) Magellanic Clouds
キーワード
主題Scheme Other
主題 infrared: ISM
キーワード
主題Scheme Other
主題 (ISM:) dust
キーワード
主題Scheme Other
主題 extinction
キーワード
主題Scheme Other
主題 ISM: structure
内容記述
内容記述 We present a new method to evaluate the dust extinction (AV) along the line of sight using the InfraRed Survey Facility (IRSF) near-infrared (NIR) data of the Large Magellanic Cloud (LMC) H i ridge region. In our method, we estimate an AV value for each star from the NIR color excess and sort them from bluer to redder in each line of sight. Using the percentile values of the sorted AV, we construct a new three-dimensional AV map. We compare the resultant AV map with the total hydrogen column density N(H) traced by velocity-resolved H i and CO observations. In the LMC H i ridge region, Fukui et al. (2017, PASJ, 69, L5) found two velocity components and an intermediate velocity one bridging them. Comparing our three-dimensional AV maps with N(H) maps at the different velocities, we find that the dust geometry is consistent with the scenario of ongoing gas collision between the two velocities as suggested in the previous study. In addition, we find a difference by a factor of 2 in AV/N(H) between the two velocity components, which suggests that inflow gas from the Small Magellanic Clouds (SMC) is mixed in this region. Overall, our results support triggered star formation in 30 Doradus due to the large-scale gas collision caused by tidal interaction between the LMC and the SMC.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Oxford University Press
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1093/pasj/psab052
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 0004-6264
書誌情報 en : Publications of the Astronomical Society of Japan

巻 73, 号 4, p. 864-879, 発行日 2021-08
ファイル公開日
日付 2022-08-01
日付タイプ Available
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