The [C II]/[N II] ratio in 3 < z < 6 sub-millimetre galaxies from the South Pole Telescope survey
International audience We present Atacama Compact Array and Atacama Pathfinder Experiment observations of the [N II] 205 μm fine-structure line in 40 sub-millimetre galaxies lying at redshifts z = 3-6, drawn from the 2500 deg 2 South Pole Telescope survey. This represents the largest uniformly selec...
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ftinsu:oai:HAL:insu-03667099v1 2023-06-18T03:43:03+02:00 The [C II]/[N II] ratio in 3 < z < 6 sub-millimetre galaxies from the South Pole Telescope survey Cunningham, D. J. M. Chapman, S. C. Aravena, M. de Breuck, C. Béthermin, M. Chen, Chian-Chou Dong, Chenxing Gonzalez, A. H. Greve, T. R. Litke, K. C. Ma, J. Malkan, M. Marrone, D. P. Miller, T. Phadke, K. A. Reuter, C. Rotermund, K. Spilker, J. S. Stark, A. A. Strandet, M. Vieira, J. D. Weiss, A. Laboratoire d'Astrophysique de Marseille (LAM) Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS) 2020 https://hal-insu.archives-ouvertes.fr/insu-03667099 https://hal-insu.archives-ouvertes.fr/insu-03667099/document https://hal-insu.archives-ouvertes.fr/insu-03667099/file/staa820.pdf https://doi.org/10.1093/mnras/staa820 en eng HAL CCSD Oxford University Press (OUP): Policy P - Oxford Open Option A info:eu-repo/semantics/altIdentifier/arxiv/1906.02293 info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/staa820 insu-03667099 https://hal-insu.archives-ouvertes.fr/insu-03667099 https://hal-insu.archives-ouvertes.fr/insu-03667099/document https://hal-insu.archives-ouvertes.fr/insu-03667099/file/staa820.pdf ARXIV: 1906.02293 BIBCODE: 2020MNRAS.494.4090C doi:10.1093/mnras/staa820 info:eu-repo/semantics/OpenAccess ISSN: 0035-8711 EISSN: 1365-2966 Monthly Notices of the Royal Astronomical Society https://hal-insu.archives-ouvertes.fr/insu-03667099 Monthly Notices of the Royal Astronomical Society, 2020, 494, pp.4090-4097. ⟨10.1093/mnras/staa820⟩ galaxies: evolution galaxies: high-redshift galaxies: statistics submillimetre: galaxies submillimetre: ISM Astrophysics - Astrophysics of Galaxies [SDU]Sciences of the Universe [physics] [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph] info:eu-repo/semantics/article Journal articles 2020 ftinsu https://doi.org/10.1093/mnras/staa820 2023-06-05T20:36:10Z International audience We present Atacama Compact Array and Atacama Pathfinder Experiment observations of the [N II] 205 μm fine-structure line in 40 sub-millimetre galaxies lying at redshifts z = 3-6, drawn from the 2500 deg 2 South Pole Telescope survey. This represents the largest uniformly selected sample of high-redshift [N II] 205 μm measurements to date. 29 sources also have [C II] 158 μm line observations allowing a characterization of the distribution of the [C II] to [N II] luminosity ratio for the first time at high redshift. The sample exhibits a median L $_{{\rm{[C\,{\small II}]}}}$ /L $_{{\rm{[N\,{\small II}]}}}$ ≍ 11.0 and interquartile range of 5.0 -24.7. These ratios are similar to those observed in local (Ultra)luminous infrared galaxies (LIRGs), possibly indicating similarities in their interstellar medium. At the extremes, we find individual sub-millimetre galaxies with L $_{{\rm{[C\,{\small II}]}}}$ /L $_{{\rm{[N\,{\small II}]}}}$ low enough to suggest a smaller contribution from neutral gas than ionized gas to the [C II] flux and high enough to suggest strongly photon or X-ray region dominated flux. These results highlight a large range in this line luminosity ratio for sub-millimetre galaxies, which may be caused by variations in gas density, the relative abundances of carbon and nitrogen, ionization parameter, metallicity, and a variation in the fractional abundance of ionized and neutral interstellar medium. Article in Journal/Newspaper South pole Institut national des sciences de l'Univers: HAL-INSU South Pole Monthly Notices of the Royal Astronomical Society 494 3 4090 4097 |
institution |
Open Polar |
collection |
Institut national des sciences de l'Univers: HAL-INSU |
op_collection_id |
ftinsu |
language |
English |
topic |
galaxies: evolution galaxies: high-redshift galaxies: statistics submillimetre: galaxies submillimetre: ISM Astrophysics - Astrophysics of Galaxies [SDU]Sciences of the Universe [physics] [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph] |
spellingShingle |
galaxies: evolution galaxies: high-redshift galaxies: statistics submillimetre: galaxies submillimetre: ISM Astrophysics - Astrophysics of Galaxies [SDU]Sciences of the Universe [physics] [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph] Cunningham, D. J. M. Chapman, S. C. Aravena, M. de Breuck, C. Béthermin, M. Chen, Chian-Chou Dong, Chenxing Gonzalez, A. H. Greve, T. R. Litke, K. C. Ma, J. Malkan, M. Marrone, D. P. Miller, T. Phadke, K. A. Reuter, C. Rotermund, K. Spilker, J. S. Stark, A. A. Strandet, M. Vieira, J. D. Weiss, A. The [C II]/[N II] ratio in 3 < z < 6 sub-millimetre galaxies from the South Pole Telescope survey |
topic_facet |
galaxies: evolution galaxies: high-redshift galaxies: statistics submillimetre: galaxies submillimetre: ISM Astrophysics - Astrophysics of Galaxies [SDU]Sciences of the Universe [physics] [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph] |
description |
International audience We present Atacama Compact Array and Atacama Pathfinder Experiment observations of the [N II] 205 μm fine-structure line in 40 sub-millimetre galaxies lying at redshifts z = 3-6, drawn from the 2500 deg 2 South Pole Telescope survey. This represents the largest uniformly selected sample of high-redshift [N II] 205 μm measurements to date. 29 sources also have [C II] 158 μm line observations allowing a characterization of the distribution of the [C II] to [N II] luminosity ratio for the first time at high redshift. The sample exhibits a median L $_{{\rm{[C\,{\small II}]}}}$ /L $_{{\rm{[N\,{\small II}]}}}$ ≍ 11.0 and interquartile range of 5.0 -24.7. These ratios are similar to those observed in local (Ultra)luminous infrared galaxies (LIRGs), possibly indicating similarities in their interstellar medium. At the extremes, we find individual sub-millimetre galaxies with L $_{{\rm{[C\,{\small II}]}}}$ /L $_{{\rm{[N\,{\small II}]}}}$ low enough to suggest a smaller contribution from neutral gas than ionized gas to the [C II] flux and high enough to suggest strongly photon or X-ray region dominated flux. These results highlight a large range in this line luminosity ratio for sub-millimetre galaxies, which may be caused by variations in gas density, the relative abundances of carbon and nitrogen, ionization parameter, metallicity, and a variation in the fractional abundance of ionized and neutral interstellar medium. |
author2 |
Laboratoire d'Astrophysique de Marseille (LAM) Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Cunningham, D. J. M. Chapman, S. C. Aravena, M. de Breuck, C. Béthermin, M. Chen, Chian-Chou Dong, Chenxing Gonzalez, A. H. Greve, T. R. Litke, K. C. Ma, J. Malkan, M. Marrone, D. P. Miller, T. Phadke, K. A. Reuter, C. Rotermund, K. Spilker, J. S. Stark, A. A. Strandet, M. Vieira, J. D. Weiss, A. |
author_facet |
Cunningham, D. J. M. Chapman, S. C. Aravena, M. de Breuck, C. Béthermin, M. Chen, Chian-Chou Dong, Chenxing Gonzalez, A. H. Greve, T. R. Litke, K. C. Ma, J. Malkan, M. Marrone, D. P. Miller, T. Phadke, K. A. Reuter, C. Rotermund, K. Spilker, J. S. Stark, A. A. Strandet, M. Vieira, J. D. Weiss, A. |
author_sort |
Cunningham, D. J. M. |
title |
The [C II]/[N II] ratio in 3 < z < 6 sub-millimetre galaxies from the South Pole Telescope survey |
title_short |
The [C II]/[N II] ratio in 3 < z < 6 sub-millimetre galaxies from the South Pole Telescope survey |
title_full |
The [C II]/[N II] ratio in 3 < z < 6 sub-millimetre galaxies from the South Pole Telescope survey |
title_fullStr |
The [C II]/[N II] ratio in 3 < z < 6 sub-millimetre galaxies from the South Pole Telescope survey |
title_full_unstemmed |
The [C II]/[N II] ratio in 3 < z < 6 sub-millimetre galaxies from the South Pole Telescope survey |
title_sort |
[c ii]/[n ii] ratio in 3 < z < 6 sub-millimetre galaxies from the south pole telescope survey |
publisher |
HAL CCSD |
publishDate |
2020 |
url |
https://hal-insu.archives-ouvertes.fr/insu-03667099 https://hal-insu.archives-ouvertes.fr/insu-03667099/document https://hal-insu.archives-ouvertes.fr/insu-03667099/file/staa820.pdf https://doi.org/10.1093/mnras/staa820 |
geographic |
South Pole |
geographic_facet |
South Pole |
genre |
South pole |
genre_facet |
South pole |
op_source |
ISSN: 0035-8711 EISSN: 1365-2966 Monthly Notices of the Royal Astronomical Society https://hal-insu.archives-ouvertes.fr/insu-03667099 Monthly Notices of the Royal Astronomical Society, 2020, 494, pp.4090-4097. ⟨10.1093/mnras/staa820⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/arxiv/1906.02293 info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/staa820 insu-03667099 https://hal-insu.archives-ouvertes.fr/insu-03667099 https://hal-insu.archives-ouvertes.fr/insu-03667099/document https://hal-insu.archives-ouvertes.fr/insu-03667099/file/staa820.pdf ARXIV: 1906.02293 BIBCODE: 2020MNRAS.494.4090C doi:10.1093/mnras/staa820 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1093/mnras/staa820 |
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Monthly Notices of the Royal Astronomical Society |
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494 |
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4090 |
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4097 |
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