ALMA [N ii] 205 m Imaging Spectroscopy of the Lensed Submillimeter Galaxy ID 141 at Redshift 4.24
We present an Atacama Large Millimeter/submillimeter Array observation of the Submillimeter galaxy ID 141 at z = 4.24 in the [N ii] 205 m line (hereafter [N ii] ) and the underlying continuum at (rest-frame) 197.6 m. Benefiting from lensing magnification by a galaxy pair at z = 0.595, ID 141 is one...
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| Veröffentlicht in: | The Astrophysical journal 2020-07, Vol.898 (1) |
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| creator | Cheng, Cheng Cao, Xiaoyue Lu, Nanyao Li, Ran Yang, Chentao Rigopoulou, Dimitra Charmandaris, Vassilis Gao, Yu Xu, Cong Kevin van der Werf, Paul Diaz Santos, Tanio Privon, George C. Zhao, Yinghe Cao, Tianwen Dai, Y. Sophia Huang, Jia-Sheng Sanders, David Wang, Chunxiang Wang, Zhong Zhu, Lei |
| description | We present an Atacama Large Millimeter/submillimeter Array observation of the Submillimeter galaxy ID 141 at z = 4.24 in the [N ii] 205 m line (hereafter [N ii] ) and the underlying continuum at (rest-frame) 197.6 m. Benefiting from lensing magnification by a galaxy pair at z = 0.595, ID 141 is one of the brightest SMGs. At the angular resolutions of -1 5 (1″ ∼6.9 kpc), our observation clearly separates and moderately resolves the two lensed images in both continuum and line emission at a signal-to-noise ratio >5. Our continuum-based lensing model implies an averaged amplification factor of ∼5.8 and reveals that the delensed continuum image has a Sérsic index and Sérsic radius of ∼0 18 (∼1.24 kpc). Furthermore, the reconstructed [N ii] velocity field in the source plane is dominated by a rotation component with a maximum velocity of ∼300 km s−1 at large radii, indicating a dark matter halo mass of ∼10 . This, together with the reconstructed velocity dispersion field being smooth and modest in value ( |
| doi_str_mv | 10.3847/1538-4357/ab980b |
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Sophia ; Huang, Jia-Sheng ; Sanders, David ; Wang, Chunxiang ; Wang, Zhong ; Zhu, Lei</creator><creatorcontrib>Cheng, Cheng ; Cao, Xiaoyue ; Lu, Nanyao ; Li, Ran ; Yang, Chentao ; Rigopoulou, Dimitra ; Charmandaris, Vassilis ; Gao, Yu ; Xu, Cong Kevin ; van der Werf, Paul ; Diaz Santos, Tanio ; Privon, George C. ; Zhao, Yinghe ; Cao, Tianwen ; Dai, Y. Sophia ; Huang, Jia-Sheng ; Sanders, David ; Wang, Chunxiang ; Wang, Zhong ; Zhu, Lei</creatorcontrib><description>We present an Atacama Large Millimeter/submillimeter Array observation of the Submillimeter galaxy ID 141 at z = 4.24 in the [N ii] 205 m line (hereafter [N ii] ) and the underlying continuum at (rest-frame) 197.6 m. Benefiting from lensing magnification by a galaxy pair at z = 0.595, ID 141 is one of the brightest SMGs. At the angular resolutions of -1 5 (1″ ∼6.9 kpc), our observation clearly separates and moderately resolves the two lensed images in both continuum and line emission at a signal-to-noise ratio >5. Our continuum-based lensing model implies an averaged amplification factor of ∼5.8 and reveals that the delensed continuum image has a Sérsic index and Sérsic radius of ∼0 18 (∼1.24 kpc). Furthermore, the reconstructed [N ii] velocity field in the source plane is dominated by a rotation component with a maximum velocity of ∼300 km s−1 at large radii, indicating a dark matter halo mass of ∼10 . This, together with the reconstructed velocity dispersion field being smooth and modest in value (<100 km s−1) over much of the outer parts of the galaxy, favors the interpretation of ID 141 being a disk galaxy dynamically supported by rotation. The observed [N ii] /CO (7−6) and [N ii] /[C ii] 158 m line-luminosity ratios, which are consistent with the corresponding line ratio versus far-infrared color correlation from local luminous infrared galaxies, imply a delensed star formation rate of (1.8 yr−1 and provide an independent estimate of the size of the star-forming region kpc in radius.</description><identifier>ISSN: 0004-637X</identifier><identifier>EISSN: 1538-4357</identifier><identifier>DOI: 10.3847/1538-4357/ab980b</identifier><language>eng</language><publisher>The American Astronomical Society</publisher><subject>Dust continuum emission ; Far infrared interferometry ; High-redshift galaxies ; Infrared galaxies ; Starburst galaxies ; Strong gravitational lensing ; Submillimeter astronomy</subject><ispartof>The Astrophysical journal, 2020-07, Vol.898 (1)</ispartof><rights>2020. The American Astronomical Society. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-8117-9991 ; 0000-0003-0202-0534 ; 0000-0001-5434-5942 ; 0000-0003-0007-2197 ; 0000-0002-2688-1956 ; 0000-0003-3474-1125 ; 0000-0003-0699-6083 ; 0000-0002-8948-1044 ; 0000-0002-9128-818X ; 0000-0002-7928-416X ; 0000-0002-1335-6212 ; 0000-0002-1233-9998</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.3847/1538-4357/ab980b/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>315,781,785,27928,27929,38894,53871</link.rule.ids><linktorsrc>$$Uhttps://iopscience.iop.org/article/10.3847/1538-4357/ab980b$$EView_record_in_IOP_Publishing$$FView_record_in_$$GIOP_Publishing</linktorsrc></links><search><creatorcontrib>Cheng, Cheng</creatorcontrib><creatorcontrib>Cao, Xiaoyue</creatorcontrib><creatorcontrib>Lu, Nanyao</creatorcontrib><creatorcontrib>Li, Ran</creatorcontrib><creatorcontrib>Yang, Chentao</creatorcontrib><creatorcontrib>Rigopoulou, Dimitra</creatorcontrib><creatorcontrib>Charmandaris, Vassilis</creatorcontrib><creatorcontrib>Gao, Yu</creatorcontrib><creatorcontrib>Xu, Cong Kevin</creatorcontrib><creatorcontrib>van der Werf, Paul</creatorcontrib><creatorcontrib>Diaz Santos, Tanio</creatorcontrib><creatorcontrib>Privon, George C.</creatorcontrib><creatorcontrib>Zhao, Yinghe</creatorcontrib><creatorcontrib>Cao, Tianwen</creatorcontrib><creatorcontrib>Dai, Y. Sophia</creatorcontrib><creatorcontrib>Huang, Jia-Sheng</creatorcontrib><creatorcontrib>Sanders, David</creatorcontrib><creatorcontrib>Wang, Chunxiang</creatorcontrib><creatorcontrib>Wang, Zhong</creatorcontrib><creatorcontrib>Zhu, Lei</creatorcontrib><title>ALMA [N ii] 205 m Imaging Spectroscopy of the Lensed Submillimeter Galaxy ID 141 at Redshift 4.24</title><title>The Astrophysical journal</title><addtitle>APJ</addtitle><addtitle>Astrophys. J</addtitle><description>We present an Atacama Large Millimeter/submillimeter Array observation of the Submillimeter galaxy ID 141 at z = 4.24 in the [N ii] 205 m line (hereafter [N ii] ) and the underlying continuum at (rest-frame) 197.6 m. Benefiting from lensing magnification by a galaxy pair at z = 0.595, ID 141 is one of the brightest SMGs. At the angular resolutions of -1 5 (1″ ∼6.9 kpc), our observation clearly separates and moderately resolves the two lensed images in both continuum and line emission at a signal-to-noise ratio >5. Our continuum-based lensing model implies an averaged amplification factor of ∼5.8 and reveals that the delensed continuum image has a Sérsic index and Sérsic radius of ∼0 18 (∼1.24 kpc). Furthermore, the reconstructed [N ii] velocity field in the source plane is dominated by a rotation component with a maximum velocity of ∼300 km s−1 at large radii, indicating a dark matter halo mass of ∼10 . This, together with the reconstructed velocity dispersion field being smooth and modest in value (<100 km s−1) over much of the outer parts of the galaxy, favors the interpretation of ID 141 being a disk galaxy dynamically supported by rotation. The observed [N ii] /CO (7−6) and [N ii] /[C ii] 158 m line-luminosity ratios, which are consistent with the corresponding line ratio versus far-infrared color correlation from local luminous infrared galaxies, imply a delensed star formation rate of (1.8 yr−1 and provide an independent estimate of the size of the star-forming region kpc in radius.</description><subject>Dust continuum emission</subject><subject>Far infrared interferometry</subject><subject>High-redshift galaxies</subject><subject>Infrared galaxies</subject><subject>Starburst galaxies</subject><subject>Strong gravitational lensing</subject><subject>Submillimeter astronomy</subject><issn>0004-637X</issn><issn>1538-4357</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqVj89LwzAcxYM4sE7vHr8Hj3ZLmtSmx-GPbTA9OA-CyJd0TbeUtglNBtt_r0Xx5MXT4z0ej88j5IrRCZcim7KUy1jwNJuqIpe0OCHRb3RKIkqpiG959nZGzr2vB5vkeUTUbPU0g_dnMOYDEppCC8tWbU23hbXTm9Bbv7HuCLaCsNOw0p3XJaz3RWuaxrQ66B7mqlGHIyzvgQkGKsCLLv3OVAHEJBEXZFSpxuvLHx2Tm8eH17tFbKzD2u777itFRnG4gQMzDsz4fYOPyfUfdeVqlLlEhpyjKyv-z9VP_tpYYw</recordid><startdate>20200720</startdate><enddate>20200720</enddate><creator>Cheng, Cheng</creator><creator>Cao, Xiaoyue</creator><creator>Lu, Nanyao</creator><creator>Li, Ran</creator><creator>Yang, Chentao</creator><creator>Rigopoulou, Dimitra</creator><creator>Charmandaris, Vassilis</creator><creator>Gao, Yu</creator><creator>Xu, Cong Kevin</creator><creator>van der Werf, Paul</creator><creator>Diaz Santos, Tanio</creator><creator>Privon, George C.</creator><creator>Zhao, Yinghe</creator><creator>Cao, Tianwen</creator><creator>Dai, Y. Sophia</creator><creator>Huang, Jia-Sheng</creator><creator>Sanders, David</creator><creator>Wang, Chunxiang</creator><creator>Wang, Zhong</creator><creator>Zhu, Lei</creator><general>The American Astronomical Society</general><scope/><orcidid>https://orcid.org/0000-0002-8117-9991</orcidid><orcidid>https://orcid.org/0000-0003-0202-0534</orcidid><orcidid>https://orcid.org/0000-0001-5434-5942</orcidid><orcidid>https://orcid.org/0000-0003-0007-2197</orcidid><orcidid>https://orcid.org/0000-0002-2688-1956</orcidid><orcidid>https://orcid.org/0000-0003-3474-1125</orcidid><orcidid>https://orcid.org/0000-0003-0699-6083</orcidid><orcidid>https://orcid.org/0000-0002-8948-1044</orcidid><orcidid>https://orcid.org/0000-0002-9128-818X</orcidid><orcidid>https://orcid.org/0000-0002-7928-416X</orcidid><orcidid>https://orcid.org/0000-0002-1335-6212</orcidid><orcidid>https://orcid.org/0000-0002-1233-9998</orcidid></search><sort><creationdate>20200720</creationdate><title>ALMA [N ii] 205 m Imaging Spectroscopy of the Lensed Submillimeter Galaxy ID 141 at Redshift 4.24</title><author>Cheng, Cheng ; Cao, Xiaoyue ; Lu, Nanyao ; Li, Ran ; Yang, Chentao ; Rigopoulou, Dimitra ; Charmandaris, Vassilis ; Gao, Yu ; Xu, Cong Kevin ; van der Werf, Paul ; Diaz Santos, Tanio ; Privon, George C. ; Zhao, Yinghe ; Cao, Tianwen ; Dai, Y. Sophia ; Huang, Jia-Sheng ; Sanders, David ; Wang, Chunxiang ; Wang, Zhong ; Zhu, Lei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-iop_journals_10_3847_1538_4357_ab980b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Dust continuum emission</topic><topic>Far infrared interferometry</topic><topic>High-redshift galaxies</topic><topic>Infrared galaxies</topic><topic>Starburst galaxies</topic><topic>Strong gravitational lensing</topic><topic>Submillimeter astronomy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cheng, Cheng</creatorcontrib><creatorcontrib>Cao, Xiaoyue</creatorcontrib><creatorcontrib>Lu, Nanyao</creatorcontrib><creatorcontrib>Li, Ran</creatorcontrib><creatorcontrib>Yang, Chentao</creatorcontrib><creatorcontrib>Rigopoulou, Dimitra</creatorcontrib><creatorcontrib>Charmandaris, Vassilis</creatorcontrib><creatorcontrib>Gao, Yu</creatorcontrib><creatorcontrib>Xu, Cong Kevin</creatorcontrib><creatorcontrib>van der Werf, Paul</creatorcontrib><creatorcontrib>Diaz Santos, Tanio</creatorcontrib><creatorcontrib>Privon, George C.</creatorcontrib><creatorcontrib>Zhao, Yinghe</creatorcontrib><creatorcontrib>Cao, Tianwen</creatorcontrib><creatorcontrib>Dai, Y. 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Sophia</au><au>Huang, Jia-Sheng</au><au>Sanders, David</au><au>Wang, Chunxiang</au><au>Wang, Zhong</au><au>Zhu, Lei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>ALMA [N ii] 205 m Imaging Spectroscopy of the Lensed Submillimeter Galaxy ID 141 at Redshift 4.24</atitle><jtitle>The Astrophysical journal</jtitle><stitle>APJ</stitle><addtitle>Astrophys. J</addtitle><date>2020-07-20</date><risdate>2020</risdate><volume>898</volume><issue>1</issue><issn>0004-637X</issn><eissn>1538-4357</eissn><abstract>We present an Atacama Large Millimeter/submillimeter Array observation of the Submillimeter galaxy ID 141 at z = 4.24 in the [N ii] 205 m line (hereafter [N ii] ) and the underlying continuum at (rest-frame) 197.6 m. Benefiting from lensing magnification by a galaxy pair at z = 0.595, ID 141 is one of the brightest SMGs. At the angular resolutions of -1 5 (1″ ∼6.9 kpc), our observation clearly separates and moderately resolves the two lensed images in both continuum and line emission at a signal-to-noise ratio >5. Our continuum-based lensing model implies an averaged amplification factor of ∼5.8 and reveals that the delensed continuum image has a Sérsic index and Sérsic radius of ∼0 18 (∼1.24 kpc). Furthermore, the reconstructed [N ii] velocity field in the source plane is dominated by a rotation component with a maximum velocity of ∼300 km s−1 at large radii, indicating a dark matter halo mass of ∼10 . This, together with the reconstructed velocity dispersion field being smooth and modest in value (<100 km s−1) over much of the outer parts of the galaxy, favors the interpretation of ID 141 being a disk galaxy dynamically supported by rotation. The observed [N ii] /CO (7−6) and [N ii] /[C ii] 158 m line-luminosity ratios, which are consistent with the corresponding line ratio versus far-infrared color correlation from local luminous infrared galaxies, imply a delensed star formation rate of (1.8 yr−1 and provide an independent estimate of the size of the star-forming region kpc in radius.</abstract><pub>The American Astronomical Society</pub><doi>10.3847/1538-4357/ab980b</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-8117-9991</orcidid><orcidid>https://orcid.org/0000-0003-0202-0534</orcidid><orcidid>https://orcid.org/0000-0001-5434-5942</orcidid><orcidid>https://orcid.org/0000-0003-0007-2197</orcidid><orcidid>https://orcid.org/0000-0002-2688-1956</orcidid><orcidid>https://orcid.org/0000-0003-3474-1125</orcidid><orcidid>https://orcid.org/0000-0003-0699-6083</orcidid><orcidid>https://orcid.org/0000-0002-8948-1044</orcidid><orcidid>https://orcid.org/0000-0002-9128-818X</orcidid><orcidid>https://orcid.org/0000-0002-7928-416X</orcidid><orcidid>https://orcid.org/0000-0002-1335-6212</orcidid><orcidid>https://orcid.org/0000-0002-1233-9998</orcidid></addata></record> |
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| source | Institute of Physics Open Access Journal Titles |
| subjects | Dust continuum emission Far infrared interferometry High-redshift galaxies Infrared galaxies Starburst galaxies Strong gravitational lensing Submillimeter astronomy |
| title | ALMA [N ii] 205 m Imaging Spectroscopy of the Lensed Submillimeter Galaxy ID 141 at Redshift 4.24 |
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