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Detection of the Fa...
Detection of the Far-infrared [O III] and Dust Emission in a Galaxy at Redshift 8.312 : Early Metal Enrichment in the Heart of the Reionization Era
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- Tamura, Yoichi (författare)
- Nagoya Univ, Grad Sch Sci, Div Particle & Astrophys Sci, Nagoya, Aichi 4648602, Japan
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- Mawatari, Ken (författare)
- Osaka Sangyo Univ, Fac Design Technol, Dept Environm Sci & Technol, 3-1-1 Nakagaito, Osaka 5748530, Japan;Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan
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- Hashimoto, Takuya (författare)
- Osaka Sangyo Univ, Fac Design Technol, Dept Environm Sci & Technol, 3-1-1 Nakagaito, Osaka 5748530, Japan;Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan
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- Inoue, Akio K. (författare)
- Osaka Sangyo Univ, Fac Design Technol, Dept Environm Sci & Technol, 3-1-1 Nakagaito, Osaka 5748530, Japan
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- Zackrisson, Erik (författare)
- Uppsala universitet,Observationell astrofysik
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- Christensen, Lise (författare)
- Univ Copenhagen, Dark Cosmol Ctr, Niels Bohr Inst, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark
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- Binggeli, Christian (författare)
- Uppsala universitet,Observationell astrofysik
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- Matsuda, Yuichi (författare)
- Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan;Grad Univ Adv Studies SOKENDAI, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan
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- Matsuo, Hiroshi (författare)
- Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan;Grad Univ Adv Studies SOKENDAI, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan
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- Takeuchi, Tsutomu T. (författare)
- Nagoya Univ, Grad Sch Sci, Div Particle & Astrophys Sci, Nagoya, Aichi 4648602, Japan
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- Asano, Ryosuke S. (författare)
- Nagoya Univ, Grad Sch Sci, Div Particle & Astrophys Sci, Nagoya, Aichi 4648602, Japan
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- Sunaga, Kaho (författare)
- Nagoya Univ, Grad Sch Sci, Div Particle & Astrophys Sci, Nagoya, Aichi 4648602, Japan
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- Shimizu, Ikkoh (författare)
- Osaka Univ, Dept Earth & Space Sci, 1-1 Machikaneyama, Toyonaka, Osaka 5600043, Japan
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- Okamoto, Takashi (författare)
- Hokkaido Univ, Grad Sch Sci, Dept Cosmosci, Kita Ku, N1OW8, Sapporo, Hokkaido 0600810, Japan
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- Yoshida, Naoki (författare)
- Univ Tokyo, Grad Sch Sci, Dept Phys, Tokyo 1130033, Japan;Univ Tokyo, Todai Inst Adv Study, Kavli Inst Phys & Math Universe WPI, Kashiwa, Chiba 2778583, Japan
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- Lee, Minju M. (författare)
- Nagoya Univ, Grad Sch Sci, Div Particle & Astrophys Sci, Nagoya, Aichi 4648602, Japan;Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan
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- Shibuya, Takatoshi (författare)
- Kitami Inst Technol, Dept Comp Sci, 165 Koen Cho, Kitami, Hokkaido 0908507, Japan
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- Taniguchi, Yoshiaki (författare)
- Open Univ Japan, Mihama Ku, 2-11 Wakaba, Chiba 2618586, Japan
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- Umehata, Hideki (författare)
- Open Univ Japan, Mihama Ku, 2-11 Wakaba, Chiba 2618586, Japan;RIKEN Cluster Pioneering Res, 2-1 Hirosawa, Wako, Saitama 3510198, Japan;Univ Tokyo, Inst Astron, 2-21-1 Osawa, Mitaka, Tokyo 1810015, Japan
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- Hatsukade, Bunyo (författare)
- Univ Tokyo, Inst Astron, 2-21-1 Osawa, Mitaka, Tokyo 1810015, Japan
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- Kohno, Kotaro (författare)
- Univ Tokyo, Inst Astron, 2-21-1 Osawa, Mitaka, Tokyo 1810015, Japan;Univ Tokyo, Res Ctr Early Universe, Grad Sch Sci, Tokyo 1130033, Japan
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- Ota, Kazuaki (författare)
- Univ Cambridge, Kavli Inst Cosmol, Madingley Rd, Cambridge CB3 0HA, England;Kyoto Univ, Res Adm Off, Sakyo Ku, Yoshida Honmachi, Kyoto 6068501, Japan
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(creator_code:org_t)
- 2019-03-19
- 2019
- Engelska.
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Ingår i: Astrophysical Journal. - : IOP PUBLISHING LTD. - 0004-637X .- 1538-4357. ; 874:1
- Relaterad länk:
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http://arxiv.org/pdf...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- We present the Atacama Large Millimeter/submillimeter Array detection of the [O III] 88 mu m line and rest-frame 90 mu m dust continuum emission in a Y-dropout Lyman break galaxy (LBG), MACS0416_Y1 lying behind the Frontier Field cluster MACS J0416.1-2403. This [O III] detection confirms the LBG with a spectroscopic redshift of z = 8.3118 +/- 0.0003, making this object one of the farthest galaxies ever identified spectroscopically. The observed 850 mu m flux density of 137 +/- 26 mu Jy corresponds to a de-lensed total infrared (IR) luminosity of L-IR = (1.7 +/- 0.3) x 10(11) L-circle dot if assuming a dust temperature of T-dust = 50 K and an emissivity index of beta = 1.5, yielding a large dust mass of 4 x 10(6) M-circle dot. The ultraviolet-to-far-IR spectral energy distribution modeling where the [O III] emissivity model is incorporated suggests the presence of a young (tau(age) approximate to 4 Myr), star-forming (SFR approximate to 60 M-circle dot yr(-1)), moderately metal-polluted (Z approximate to 0.2 Z(circle dot)) stellar component with a mass of M-star = 3 x 10(8) M-circle dot. An analytic dust mass evolution model with a single episode of star formation does not reproduce the metallicity and dust mass in tau(age) approximate to 4 Myr, suggesting a pre-existing evolved stellar component with M-star similar to 3 x 10(9) M-circle dot and tau(age) similar to 0.3 Gyr as the origin of the dust mass.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- dust
- extinction
- galaxies: formation
- galaxies: high-redshift
- galaxies: ISM
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Tamura, Yoichi
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Mawatari, Ken
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Hashimoto, Takuy ...
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Inoue, Akio K.
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Zackrisson, Erik
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Christensen, Lis ...
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Binggeli, Christ ...
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Matsuda, Yuichi
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Matsuo, Hiroshi
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Takeuchi, Tsutom ...
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Asano, Ryosuke S ...
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Sunaga, Kaho
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Shimizu, Ikkoh
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Okamoto, Takashi
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Yoshida, Naoki
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Lee, Minju M.
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Shibuya, Takatos ...
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Taniguchi, Yoshi ...
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Umehata, Hideki
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Hatsukade, Bunyo
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Kohno, Kotaro
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Ota, Kazuaki
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