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Sökning: WFRF:(Lee Minju M.) > (2023) > The 300 pc Resoluti...

The 300 pc Resolution Imaging of a z=8.31 Galaxy : Turbulent Ionized Gas and Potential Stellar Feedback 600 Million Years after the Big Bang

Tamura, Yoichi (författare)
Nagoya Univ, Grad Sch Sci, Dept Phys, Nagoya, Aichi 4648602, Japan.
Bakx, Tom J. L. C. (författare)
Nagoya Univ, Grad Sch Sci, Dept Phys, Nagoya, Aichi 4648602, Japan.;Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan.
Inoue, Akio K. (författare)
Waseda Univ, Fac Sci & Engn, Grad Sch Adv Sci & Engn, Dept Pure & Appl Phys, 3-4-1 Okubo,Shinjuku ku, Tokyo 1698555, Japan.;Waseda Univ, Waseda Res Inst Sci & Engn, Fac Sci & Engn, 3-4-1 Okubo,Shinjuku Ku, Tokyo 1698555, Japan.
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Hashimoto, Takuya (författare)
Univ Tsukuba, Fac Pure & Appl Sci, Tomonaga Ctr Hist Universe TCHoU, Tsukuba, Ibaraki 3058571, Japan.
Tokuoka, Tsuyoshi (författare)
Waseda Univ, Fac Sci & Engn, Grad Sch Adv Sci & Engn, Dept Pure & Appl Phys, 3-4-1 Okubo,Shinjuku ku, Tokyo 1698555, Japan.
Imamura, Chihiro (författare)
Nagoya Univ, Grad Sch Sci, Dept Phys, Nagoya, Aichi 4648602, Japan.
Hatsukade, Bunyo (författare)
Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan.;Univ Tokyo, Inst Astron, Grad Sch Sci, 2-21-1 Osawa, Mitaka, Tokyo 1810015, Japan.
Lee, Minju M. (författare)
Cosm Dawn Ctr DAWN, Jagtvej 128, DK-2200 Copenhagen, Denmark.;Tech Univ Denmark, DTU Space, Elektrovej 327, DK-2800 Lyngby, Denmark.;Max Planck Inst Extraterr Phys MPE, Giessenbachstr 1, Garching, Germany.
Moriwaki, Kana (författare)
Univ Tokyo, Res Ctr Early Universe, Grad Sch Sci, 7-3-1 Hongo,Bunkyo Ku, Tokyo 1130033, Japan.;Univ Tokyo, Grad Sch Sci, Dept Phys, 7-3-1 Hongo,Bunkyo Ku, Tokyo 1130033, Japan.
Okamoto, Takashi (författare)
Hokkaido Univ, Dept Cosmosci, Grad Sch Sci, N10W8,Kitaku, Sapporo 0600810, Japan.
Ota, Kazuaki (författare)
Kanazawa Univ, Frontier Sci & Social Cocreat Initiat, Kakuma Machi, Kanazawa, Ishikawa 9201192, Japan.
Umehata, Hideki (författare)
Nagoya Univ, Grad Sch Sci, Dept Phys, Nagoya, Aichi 4648602, Japan.;Nagoya Univ, Inst Adv Res, Nagoya, Aichi 4648601, Japan.
Yoshida, Naoki (författare)
Zackrisson, Erik (författare)
Uppsala universitet,Observationell astrofysik
Hagimoto, Masato (författare)
Nagoya Univ, Grad Sch Sci, Dept Phys, Nagoya, Aichi 4648602, Japan.
Matsuo, Hiroshi (författare)
Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan.
Shimizu, Ikkoh (författare)
Shikoku Gakuin Univ, Dept Literature, 3-2-1 Bunkyocho, Zentsuji, Kagawa 7658505, Japan.
Sugahara, Yuma (författare)
Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan.;Waseda Univ, Waseda Res Inst Sci & Engn, Fac Sci & Engn, 3-4-1 Okubo,Shinjuku Ku, Tokyo 1698555, Japan.
Takeuchi, Tsutomu T. (författare)
Nagoya Univ, Grad Sch Sci, Dept Phys, Nagoya, Aichi 4648602, Japan.;Inst Stat Math, Res Ctr Stat Machine Learning, 10-3 Midori Cho, Tachikawa, Tokyo 1908562, Japan.
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Nagoya Univ, Grad Sch Sci, Dept Phys, Nagoya, Aichi 4648602, Japan Nagoya Univ, Grad Sch Sci, Dept Phys, Nagoya, Aichi 4648602, Japan.;Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan. (creator_code:org_t)
Institute of Physics (IOP), 2023
2023
Engelska.
Ingår i: Astrophysical Journal. - : Institute of Physics (IOP). - 0004-637X .- 1538-4357. ; 952:1
Relaterad länk:
https://doi.org/10.3...
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https://uu.diva-port... (primary) (Raw object)
https://urn.kb.se/re...
https://doi.org/10.3...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • We present the results of 300 pc resolution Atacama Large Millimeter/submillimeter Array imaging of the [O iii] 88 & mu;m line and dust continuum emission from a z = 8.312 Lyman-break galaxy MACS0416_Y1. The velocity-integrated [O iii] emission has three peaks that are likely associated with three young stellar clumps of MACS0416_Y1, while the channel map shows a complicated velocity structure with little indication of a global velocity gradient unlike what was found in [C ii] 158 & mu;m at a larger scale, suggesting random bulk motion of ionized gas clouds inside the galaxy. In contrast, dust emission appears as two individual clumps apparently separating or bridging the [O iii]/stellar clumps. The cross-correlation coefficient between dust and ultraviolet-related emission (i.e., [O iii] and ultraviolet continuum) is unity on a galactic scale, while it drops at <1 kpc, suggesting well-mixed geometry of multiphase interstellar media on subkiloparsec scales. If the cutoff scale characterizes different stages of star formation, the cutoff scale can be explained by gravitational instability of turbulent gas. We also report on a kiloparsec-scale off-center cavity embedded in the dust continuum image. This could be a superbubble producing galactic-scale outflows, since the energy injection from the 4 Myr starburst suggested by a spectral energy distribution analysis is large enough to push the surrounding media creating a kiloparsec-scale cavity.

Ämnesord

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

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