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Possible Systematic...
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Tokuoka, TsuyoshiWaseda Univ, Fac Sci & Engn, Grad Sch Adv Sci & Engn, Dept Pure & Appl Phys, 3-4-1 Okubo, Tokyo 1698555, Japan.
(författare)
Possible Systematic Rotation in the Mature Stellar Population of a z=9.1 Galaxy
- Artikel/kapitelEngelska2022
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2022-07-01
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Institute of Physics Publishing (IOPP),2022
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LIBRIS-ID:oai:DiVA.org:uu-481193
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-481193URI
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https://doi.org/10.3847/2041-8213/ac7447DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Correction in: The Astrophysical Journal Letters, vol. 944, no 2DOI 10.3847/2041-8213/acb935
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We present new observations with the Atacama Large Millimeter/submillimeter Array for a gravitationally lensed galaxy at z = 9.1, MACS1149-JD1. [O III] 88 mu m emission is detected at 10 sigma with a spatial resolution of similar to 0.3 kpc in the source plane, enabling the most distant morphokinematic study of a galaxy. The [O iii] emission is distributed smoothly without any resolved clumps and shows a clear velocity gradient with Delta V-obs/2 sigma(tot) = 0.84 +/- 0.23, where Delta V-obs is the observed maximum velocity difference and sigma(tot) is the velocity dispersion measured in the spatially integrated line profile, suggesting a rotating system. Assuming a geometrically thin self-gravitating rotation disk model, we obtain V-rot/sigma(V)=0.67-0.26+0.73, where V-rot and sigma (V) are the rotation velocity and velocity dispersion, respectively, still consistent with rotation. The resulting disk mass of 0.65-0.40+1.37x10(9) M-circle dot is consistent with being associated with the stellar mass identified with a 300 Myr old stellar population independently indicated by a Balmer break in the spectral energy distribution. We conclude that the most of the dynamical mass is associated with the previously identified mature stellar population that formed at z similar to 15.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Inoue, Akio K.Waseda Univ, Fac Sci & Engn, Grad Sch Adv Sci & Engn, Dept Pure & Appl Phys, 3-4-1 Okubo, Tokyo 1698555, Japan.;Waseda Univ, Fac Sci & Engn, Waseda Res Inst Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan.
(författare)
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Hashimoto, TakuyaUniv Tsukuba, Fac Pure & Appl Sci, Tomonaga Ctr Hist Universe TCHoU, Tsukuba, Ibaraki 3058571, Japan.
(författare)
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Ellis, Richard S.UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England.
(författare)
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Laporte, NicolasUniv Cambridge, Kavli Inst Cosmol, Madingley Rd, Cambridge CB3 0HA, England.;Univ Cambridge, Cavendish Lab, 19 JJ Thomson Ave, Cambridge CB3 0HE, England.
(författare)
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Sugahara, YumaWaseda Univ, Fac Sci & Engn, Waseda Res Inst Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan.;Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan.
(författare)
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Matsuo, HiroshiNatl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan.
(författare)
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Tamura, YoichiNagoya Univ, Grad Sch Sci, Div Particle & Astrophys Sci, Nagoya, Aichi 4648602, Japan.
(författare)
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Fudamoto, YoshinobuWaseda Univ, Fac Sci & Engn, Waseda Res Inst Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan.;Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan.
(författare)
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Moriwaki, KanaUniv Tokyo, Dept Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan.
(författare)
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Roberts-Borsani, GuidoUniv Calif Los Angeles, Dept Phys & Astron, 430 Portola Plaza, Los Angeles, CA 90095 USA.
(författare)
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Shimizu, IkkohShikoku Gakuin Univ, Dept Literature, 3-2-1 Bunkyocho, Zentsuji, Kagawa 7658505, Japan.
(författare)
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Yamanaka, SatoshiToba Coll, Natl Inst Technol, Gen Educ Dept, 1-1 Ikegami Cho, Toba, Mie 5178501, Japan.
(författare)
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Yoshida, NaokiUniv Tokyo, Dept Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan.;Univ Tokyo, UT Inst Adv Study, Kavli Inst Phys & Math Universe WPI, 5-1-5 Kashiwanoha, Kashiwa, Chiba 2778583, Japan.;Univ Tokyo, Sch Sci, Res Ctr Early Universe, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan.;Univ Tokyo, Sch Sci, Inst Phys Intelligence, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan.
(författare)
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Zackrisson, ErikUppsala universitet,Observationell astrofysik(Swepub:uu)erzac792
(författare)
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Zheng, WeiJohns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA.
(författare)
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Waseda Univ, Fac Sci & Engn, Grad Sch Adv Sci & Engn, Dept Pure & Appl Phys, 3-4-1 Okubo, Tokyo 1698555, Japan.Waseda Univ, Fac Sci & Engn, Grad Sch Adv Sci & Engn, Dept Pure & Appl Phys, 3-4-1 Okubo, Tokyo 1698555, Japan.;Waseda Univ, Fac Sci & Engn, Waseda Res Inst Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan.
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Astrophysical Journal Letters: Institute of Physics Publishing (IOPP)933:12041-82052041-8213
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Tokuoka, Tsuyosh ...
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Inoue, Akio K.
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Hashimoto, Takuy ...
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Ellis, Richard S ...
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Laporte, Nicolas
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Sugahara, Yuma
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Matsuo, Hiroshi
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Tamura, Yoichi
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Fudamoto, Yoshin ...
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Moriwaki, Kana
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Roberts-Borsani, ...
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Shimizu, Ikkoh
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Yamanaka, Satosh ...
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Yoshida, Naoki
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Zackrisson, Erik
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Zheng, Wei
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