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- Bradač, M. (author)
ALMA [C II] 158 μm Detection of a Redshift 7 Lensed Galaxy behind RX J1347.1-1145
- Article/chapterEnglish2017
Publisher, publication year, extent ...
- Institute of Physics Publishing (IOPP),2017
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-208113
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-208113URI
- https://doi.org/10.3847/2041-8213/836/1/L2DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-144590URI
Supplementary language notes
- Language:English
- Summary in:English
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Notes
- QC 20170615
- We present the results of ALMA spectroscopic follow-up of a z =6.766 Lyα emitting galaxy behind the cluster RX J1347.1-1145. We report the detection of [C ii] 158 μm line fully consistent with the Lyα redshift and with the peak of the optical emission. Given the magnification of μ =5.0 ±0.3, the intrinsic (corrected for lensing) luminosity of the [C ii] line is L [C ii] = 1.4+0.2-0.3 × 107 L⊙, roughly ∼5 times fainter than other detections of z ∼ 7 galaxies. The result indicates that low L [C ii] in z ∼ 7 galaxies compared to the local counterparts might be caused by their low metallicities and/or feedback. The small velocity offset (δv = 20+140-40 Km s-1) between the Lyα and [C ii] line is unusual, and may be indicative of ionizing photons escaping.
Subject headings and genre
- NATURVETENSKAP Fysik Astronomi, astrofysik och kosmologi hsv//swe
- NATURAL SCIENCES Physical Sciences Astronomy, Astrophysics and Cosmology hsv//eng
- dark ages
- reionization
- first stars
- galaxies: clusters: individual (RX J1347.1-1145)
- galaxies: high-redshift
- gravitational lensing: strong
Added entries (persons, corporate bodies, meetings, titles ...)
- Garcia-Appadoo, D. (author)
- Huang, K. -H (author)
- Vallini, LiviaStockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),Dipartimento di Fisica e Astronomia, Bologna, Italy; INAF, Osservatorio Astronomico di Bologna, Italy,Dipartimento di Fisica e Astronomia, Italy; Nordita SU(Swepub:su)lvall (author)
- Finney, E. Q. (author)
- Hoag, A. (author)
- Lemaux, B. C. (author)
- Schmidt, K. B. (author)
- Treu, T. (author)
- Carilli, C. (author)
- Dijkstra, M. (author)
- Ferrara, A. (author)
- Fontana, A. (author)
- Jones, T. (author)
- Ryan, R. (author)
- Wagg, J. (author)
- Gonzalez, A. H. (author)
- Stockholms universitetNordiska institutet för teoretisk fysik (Nordita) (creator_code:org_t)
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- In:Astrophysical Journal Letters: Institute of Physics Publishing (IOPP)836:12041-82052041-8213
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- Lemaux, B. C.
- Schmidt, K. B.
- Treu, T.
- Carilli, C.
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- Jones, T.
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