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Gas conditions of a...
Gas conditions of a star-formation selected sample in the first billion years
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- Bakx, Tom, 1990 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Algera, H. (author)
- National Astronomical Observatory of Japan,Hiroshima University
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- Venemans, B. (author)
- Universiteit Leiden (UL),Leiden University (UL)
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- Sommovigo, Laura (author)
- Flatiron Institute
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- Fujimoto, S. (author)
- The University of Texas at Austin, USA
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- Carniani, S. (author)
- Scuola Normale Superiore di Pisa
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- Hagimoto, Masato (author)
- Nagoya University
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- Hashimoto, Takuya (author)
- University of Tsukuba
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- Inoue, Akio K. (author)
- Waseda University
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- Salak, Dragan (author)
- Hokkaido University
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- Serjeant, S. (author)
- Open University
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- Vallini, L. (author)
- Istituto nazionale di astrofisica (INAF)
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- Eales, S. (author)
- Cardiff University
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- Ferrara, Andrea (author)
- Scuola Normale Superiore di Pisa
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- Fudamoto, Yoshinobu (author)
- Chiba University
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- Imamura, Chihiro (author)
- Nagoya University
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- Inoue, Shigeki (author)
- Hokkaido University
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- Knudsen, Kirsten, 1976 (author)
- Hokkaido University
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- Matsuo, Hiroshi (author)
- National Astronomical Observatory of Japan,The Graduate University for Advanced Studies (SOKENDAI)
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- Sugahara, Yuma (author)
- National Astronomical Observatory of Japan,Waseda University
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- Tamura, Y. (author)
- Nagoya University
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- Taniguchi, Akio (author)
- Nagoya University
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Yamanaka, Satoshi (author)
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(creator_code:org_t)
- 2024
- 2024
- English.
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In: Monthly Notices of the Royal Astronomical Society. - 0035-8711 .- 1365-2966. ; 532:2, s. 2270-2288
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Abstract
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- We present Atacama Large Millimetre/submillimetre Array (ALMA) observations of the [O iii] 88 emission of a sample of thirteen galaxies at to 7.6 selected as [C ii]-emitting companion sources of quasars. To disentangle the origins of the luminous Oxygen line in the Universe, we looked at emission-line galaxies that are selected through an excellent star-formation tracer [C ii] with star-formation rates between 9 and 162. Direct observations reveal [O iii] emission in just a single galaxy (), and a stacked image shows no [O iii] detection, providing deep upper limits on the ratios in the Universe (at). While the fidelity of this sample is high, no obvious optical/near-infrared counterpart is seen in the JWST imaging available for four galaxies. Additionally accounting for low-z CO emitters, line stacking shows that our sample-wide result remains robust: The enhanced reported in the first billion years of the Universe is likely due to the selection towards bright, blue Lyman-break galaxies with high surface star-formation rates or young stellar populations. The deep upper limit on the rest-frame 90 μm continuum emission (Jy at), implies a low average dust temperature (K) and high-dust mass (). As more normal galaxies are explored in the early Universe, synergy between JWST and ALMA is fundamental to further investigate the ISM properties of the a broad range of samples of high-z galaxies.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Matematik -- Sannolikhetsteori och statistik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Probability Theory and Statistics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- galaxies: ISM
- galaxies: high-redshift
- galaxies: star formation
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Bakx, Tom, 1990
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Algera, H.
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Venemans, B.
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Sommovigo, Laura
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Fujimoto, S.
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Carniani, S.
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show more...
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Hagimoto, Masato
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Hashimoto, Takuy ...
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Inoue, Akio K.
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Salak, Dragan
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Serjeant, S.
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Vallini, L.
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Eales, S.
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Ferrara, Andrea
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Fudamoto, Yoshin ...
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Imamura, Chihiro
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Inoue, Shigeki
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Knudsen, Kirsten ...
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Matsuo, Hiroshi
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Sugahara, Yuma
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Tamura, Y.
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Taniguchi, Akio
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Yamanaka, Satosh ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Mathematics
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and Probability Theo ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Monthly Notices ...
- By the university
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Chalmers University of Technology