An ∼600 pc View of the Strongly Lensed, Massive Main-sequence Galaxy J0901: A Baryon-dominated, Thick Turbulent Rotating Disk with a Clumpy Cold Gas Ring at z = 2.259
We present a high-resolution kinematic study of the massive main-sequence star-forming galaxy (SFG) SDSS J090122.37+181432.3 (J0901) at z = 2.259, using ∼0.″36 Atacama Large Millimeter/submillimeter Array CO(3–2) and ∼0.″1–0.″5 SINFONI/VLT H α observations. J0901 is a rare, strongly lensed but other...
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IOP Publishing
2023-01-01
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| Series: | The Astrophysical Journal |
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| Online Access: | https://doi.org/10.3847/1538-4357/aca46b |
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| author | Daizhong Liu N. M. Förster Schreiber R. Genzel D. Lutz S. H. Price L. L. Lee Andrew J. Baker A. Burkert R. T. Coogan R. I. Davies R. L. Davies R. Herrera-Camus Tadayuki Kodama Minju M. , Lee A. Nestor C. Pulsoni A. Renzini Chelsea E. Sharon T. T. Shimizu L. J. Tacconi Ken-ichi Tadaki H. Übler |
| author_facet | Daizhong Liu N. M. Förster Schreiber R. Genzel D. Lutz S. H. Price L. L. Lee Andrew J. Baker A. Burkert R. T. Coogan R. I. Davies R. L. Davies R. Herrera-Camus Tadayuki Kodama Minju M. , Lee A. Nestor C. Pulsoni A. Renzini Chelsea E. Sharon T. T. Shimizu L. J. Tacconi Ken-ichi Tadaki H. Übler |
| author_sort | Daizhong Liu |
| collection | DOAJ |
| description | We present a high-resolution kinematic study of the massive main-sequence star-forming galaxy (SFG) SDSS J090122.37+181432.3 (J0901) at z = 2.259, using ∼0.″36 Atacama Large Millimeter/submillimeter Array CO(3–2) and ∼0.″1–0.″5 SINFONI/VLT H α observations. J0901 is a rare, strongly lensed but otherwise normal massive ( $\mathrm{log}({M}_{\star }/{M}_{\odot })\sim 11$ ) main-sequence SFG, offering a unique opportunity to study a typical massive SFG under the microscope of lensing. Through forward dynamical modeling incorporating lensing deflection, we fit the CO and H α kinematics in the image plane out to about one disk effective radius ( R _e ∼ 4 kpc) at an ∼600 pc delensed physical resolution along the kinematic major axis. Our results show high intrinsic dispersions of the cold molecular and warm ionized gas ( σ _0,mol. ∼ 40 km s ^−1 and σ _0,ion. ∼ 66 km s ^−1 ) that remain constant out to R _e ; a moderately low dark matter fraction ( f _DM ∼ 0.3–0.4) within R _e ; and a centrally peaked Toomre Q parameter—agreeing well with the previously established σ _0 versus z , f _DM versus Σ _baryon , and Q 's radial trends using large-sample non-lensed main-sequence SFGs. Our data further reveal a high stellar mass concentration within ∼1–2 kpc with little molecular gas, and a clumpy molecular gas ring-like structure at R ∼ 2–4 kpc, in line with the inside-out quenching scenario. Our further analysis indicates that J0901 had assembled half of its stellar mass only ∼400 Myr before its observed cosmic time, and the cold gas ring and dense central stellar component are consistent with signposts of a recent wet compaction event of a highly turbulent disk found in recent simulations. |
| first_indexed | 2024-03-12T04:33:36Z |
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| id | doaj.art-2927f47678bc4938b160bc63fd2c69d1 |
| institution | Directory Open Access Journal |
| issn | 1538-4357 |
| language | English |
| last_indexed | 2024-03-12T04:33:36Z |
| publishDate | 2023-01-01 |
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| series | The Astrophysical Journal |
| spelling | doaj.art-2927f47678bc4938b160bc63fd2c69d12023-09-03T09:58:11ZengIOP PublishingThe Astrophysical Journal1538-43572023-01-0194229810.3847/1538-4357/aca46bAn ∼600 pc View of the Strongly Lensed, Massive Main-sequence Galaxy J0901: A Baryon-dominated, Thick Turbulent Rotating Disk with a Clumpy Cold Gas Ring at z = 2.259Daizhong Liu0https://orcid.org/0000-0001-9773-7479N. M. Förster Schreiber1https://orcid.org/0000-0003-4264-3381R. Genzel2https://orcid.org/0000-0002-2767-9653D. Lutz3https://orcid.org/0000-0003-0291-9582S. H. Price4https://orcid.org/0000-0002-0108-4176L. L. Lee5https://orcid.org/0000-0001-7457-4371Andrew J. Baker6https://orcid.org/0000-0002-7892-396XA. Burkert7https://orcid.org/0000-0001-6879-9822R. T. Coogan8https://orcid.org/0000-0002-4343-0479R. I. Davies9https://orcid.org/0000-0003-4949-7217R. L. Davies10https://orcid.org/0000-0002-3324-4824R. Herrera-Camus11https://orcid.org/0000-0002-2775-0595Tadayuki Kodama12https://orcid.org/0000-0002-2993-1576Minju M. , Lee13https://orcid.org/0000-0002-2419-3068A. Nestor14https://orcid.org/0000-0003-1785-1357C. Pulsoni15https://orcid.org/0000-0002-1428-1558A. Renzini16https://orcid.org/0000-0002-7093-7355Chelsea E. Sharon17https://orcid.org/0000-0002-6250-5608T. T. Shimizu18https://orcid.org/0000-0002-2125-4670L. J. Tacconi19https://orcid.org/0000-0002-1485-9401Ken-ichi Tadaki20https://orcid.org/0000-0001-9728-8909H. Übler21https://orcid.org/0000-0003-4891-0794Max-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.deMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.deMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.deMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.deMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.de; Department of Physics and Astronomy and PITT PACC, University of Pittsburgh , Pittsburgh, PA 15260, USAMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.deDepartment of Physics and Astronomy, University of the Western Cape , Robert Sobukwe Road, Bellville 7535, South Africa; Department of Physics and Astronomy, Rutgers, The State University of New Jersey , 136 Frelinghuysen Road, Piscataway, NJ 08854-8019, USAMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.de; University Observatory Munich , Scheinerstrasse 1, 81679 Munich, GermanyMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.deMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.deCentre for Astrophysics and Supercomputing, Swinburne University of Technology , P.O. Box 218, Hawthorn, VIC 3122, Australia; ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D) , AustraliaMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.de; Departamento de Astronomía, Universidad de Concepción , Barrio Universitario, Concepción, ChileAstronomical Institute, Tohoku University , 6-3, Aramaki, Aoba, Sendai, Miyagi, 980-8578, JapanMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.deSchool of Physics and Astronomy, Tel Aviv University , Ramat Aviv 69978, IsraelMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.deINAF—Osservatorio Astronomico di Padova , Vicolo dell’Osservatorio 5, I-35122 Padova, ItalyYale-NUS College , 16 College Avenue West 01-220, 138527, SingaporeMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.deMax-Planck-Institut für Extraterrestrische Physik (MPE) , Giessenbachstraße 1, D-85748 Garching, Germany ; dzliu@mpe.mpg.deNational Astronomical Observatory of Japan , 2-21-1 Osawa, Mitaka, Tokyo 181-8588, JapanCavendish Laboratory, University of Cambridge , 19 JJ Thomson Avenue, Cambridge CB3 0HE, UK; Kavli Institute for Cosmology, University of Cambridge , Madingley Road, Cambridge CB3 0HA, UKWe present a high-resolution kinematic study of the massive main-sequence star-forming galaxy (SFG) SDSS J090122.37+181432.3 (J0901) at z = 2.259, using ∼0.″36 Atacama Large Millimeter/submillimeter Array CO(3–2) and ∼0.″1–0.″5 SINFONI/VLT H α observations. J0901 is a rare, strongly lensed but otherwise normal massive ( $\mathrm{log}({M}_{\star }/{M}_{\odot })\sim 11$ ) main-sequence SFG, offering a unique opportunity to study a typical massive SFG under the microscope of lensing. Through forward dynamical modeling incorporating lensing deflection, we fit the CO and H α kinematics in the image plane out to about one disk effective radius ( R _e ∼ 4 kpc) at an ∼600 pc delensed physical resolution along the kinematic major axis. Our results show high intrinsic dispersions of the cold molecular and warm ionized gas ( σ _0,mol. ∼ 40 km s ^−1 and σ _0,ion. ∼ 66 km s ^−1 ) that remain constant out to R _e ; a moderately low dark matter fraction ( f _DM ∼ 0.3–0.4) within R _e ; and a centrally peaked Toomre Q parameter—agreeing well with the previously established σ _0 versus z , f _DM versus Σ _baryon , and Q 's radial trends using large-sample non-lensed main-sequence SFGs. Our data further reveal a high stellar mass concentration within ∼1–2 kpc with little molecular gas, and a clumpy molecular gas ring-like structure at R ∼ 2–4 kpc, in line with the inside-out quenching scenario. Our further analysis indicates that J0901 had assembled half of its stellar mass only ∼400 Myr before its observed cosmic time, and the cold gas ring and dense central stellar component are consistent with signposts of a recent wet compaction event of a highly turbulent disk found in recent simulations.https://doi.org/10.3847/1538-4357/aca46bGalaxy kinematicsHigh-redshift galaxiesStrong gravitational lensingDark matterMolecular gas |
| spellingShingle | Daizhong Liu N. M. Förster Schreiber R. Genzel D. Lutz S. H. Price L. L. Lee Andrew J. Baker A. Burkert R. T. Coogan R. I. Davies R. L. Davies R. Herrera-Camus Tadayuki Kodama Minju M. , Lee A. Nestor C. Pulsoni A. Renzini Chelsea E. Sharon T. T. Shimizu L. J. Tacconi Ken-ichi Tadaki H. Übler An ∼600 pc View of the Strongly Lensed, Massive Main-sequence Galaxy J0901: A Baryon-dominated, Thick Turbulent Rotating Disk with a Clumpy Cold Gas Ring at z = 2.259 The Astrophysical Journal Galaxy kinematics High-redshift galaxies Strong gravitational lensing Dark matter Molecular gas |
| title | An ∼600 pc View of the Strongly Lensed, Massive Main-sequence Galaxy J0901: A Baryon-dominated, Thick Turbulent Rotating Disk with a Clumpy Cold Gas Ring at z = 2.259 |
| title_full | An ∼600 pc View of the Strongly Lensed, Massive Main-sequence Galaxy J0901: A Baryon-dominated, Thick Turbulent Rotating Disk with a Clumpy Cold Gas Ring at z = 2.259 |
| title_fullStr | An ∼600 pc View of the Strongly Lensed, Massive Main-sequence Galaxy J0901: A Baryon-dominated, Thick Turbulent Rotating Disk with a Clumpy Cold Gas Ring at z = 2.259 |
| title_full_unstemmed | An ∼600 pc View of the Strongly Lensed, Massive Main-sequence Galaxy J0901: A Baryon-dominated, Thick Turbulent Rotating Disk with a Clumpy Cold Gas Ring at z = 2.259 |
| title_short | An ∼600 pc View of the Strongly Lensed, Massive Main-sequence Galaxy J0901: A Baryon-dominated, Thick Turbulent Rotating Disk with a Clumpy Cold Gas Ring at z = 2.259 |
| title_sort | ∼600 pc view of the strongly lensed massive main sequence galaxy j0901 a baryon dominated thick turbulent rotating disk with a clumpy cold gas ring at z 2 259 |
| topic | Galaxy kinematics High-redshift galaxies Strong gravitational lensing Dark matter Molecular gas |
| url | https://doi.org/10.3847/1538-4357/aca46b |
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