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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

Accurate dust temperature determination in a z = 7.13 galaxy

http://hdl.handle.net/2237/0002002169
http://hdl.handle.net/2237/0002002169
d45cf751-0db8-4f64-965e-dbb220e48cce
名前 / ファイル ライセンス アクション
slab104.pdf slab104.pdf (2 MB)
Item type itemtype_ver1(1)
公開日 2022-03-09
タイトル
タイトル Accurate dust temperature determination in a z = 7.13 galaxy
言語 en
著者 Bakx, Tom J L C

× Bakx, Tom J L C

en Bakx, Tom J L C

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Sommovigo, Laura

× Sommovigo, Laura

en Sommovigo, Laura

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Carniani, Stefano

× Carniani, Stefano

en Carniani, Stefano

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Ferrara, Andrea

× Ferrara, Andrea

en Ferrara, Andrea

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Akins, Hollis B

× Akins, Hollis B

en Akins, Hollis B

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Fujimoto, Seiji

× Fujimoto, Seiji

en Fujimoto, Seiji

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Hagimoto, Masato

× Hagimoto, Masato

en Hagimoto, Masato

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Knudsen, Kirsten K

× Knudsen, Kirsten K

en Knudsen, Kirsten K

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Pallottini, Andrea

× Pallottini, Andrea

en Pallottini, Andrea

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Tamura, Yoichi

× Tamura, Yoichi

en Tamura, Yoichi

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Watson, Darach

× Watson, Darach

en Watson, Darach

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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 article has been accepted for publication in [Monthly Notices of the Royal Astronomical Society: Letters] ©: [2021] [authors] Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
キーワード
主題Scheme Other
主題 dust
キーワード
主題Scheme Other
主題 extinction
キーワード
主題Scheme Other
主題 galaxies: evolution
キーワード
主題Scheme Other
主題 galaxies: formation
キーワード
主題Scheme Other
主題 galaxies: high-redshift
キーワード
主題Scheme Other
主題 galaxies: individual: (A1689-zD1)
キーワード
主題Scheme Other
主題 submillimetre: galaxies
内容記述
内容記述 We report ALMA Band 9 continuum observations of the normal, dusty star-forming galaxy A1689-zD1 at z = 7.13, resulting in a ∼4.6 σ detection at 702 GHz. For the first time, these observations probe the far-infrared spectrum shortward of the emission peak of a galaxy in the Epoch of Reionization (EoR). Together with ancillary data from earlier works, we derive the dust temperature, Td, and mass, Md, of A1689-zD1 using both traditional modified blackbody spectral energy density fitting, and a new method that relies only on the [C ii] 158 μm line and underlying continuum data. The two methods give Td=(42^+13−7,40^+13−7⁠) K, and Md=(1.7^+1.3−0.7,2.0^+1.8−1.0)×10^7M⊙⁠. Band 9 observations improve the accuracy of the dust temperature (mass) estimate by ∼50 per cent (6 times). The derived temperatures confirm the reported increasing Td-redshift trend between z = 0 and 8; the dust mass is consistent with a supernova origin. Although A1689-zD1 is a normal UV-selected galaxy, our results, implying that ∼85 per cent of its star-formation rate is obscured, underline the non-negligible effects of dust in EoR galaxies.
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 VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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/mnrasl/slab104
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 1745-3925
書誌情報 en : Monthly Notices of the Royal Astronomical Society: Letters

巻 508, 号 1, p. L58-L63, 発行日 2021-11
ファイル公開日
日付 2022-03-09
日付タイプ Available
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