The kinematics of massive high-redshift dusty star-forming galaxies
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| Title: | The kinematics of massive high-redshift dusty star-forming galaxies |
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| Authors: | Amvrosiadis, A., Wardlow, J. L., Birkin, Jack E., Smail, I., Swinbank, A. M., Nightingale, James W., Bertoldi, F., Brandt, W. N., Casey, Caitlin M., Chapman, S.C., Chen, C. C., Cox, P., da Cunha, E., Dannerbauer, H., Dudzeviciute, U., Gullberg, Bitten, 1988, Hodge, J., Knudsen, Kirsten, 1976, Menten, K., Walter, F., van der Werf, P. |
| Source: | Monthly Notices of the Royal Astronomical Society. 536(4):3757-3783 |
| Subject Terms: | galaxies: evolution, submillimetre: galaxies, galaxies: kinematics and dynamics, galaxies: high-redshift |
| Description: | We present a new method for modelling the kinematics of galaxies from interferometric observations by performing the optimization of the kinematic model parameters directly in visibility space instead of the conventional approach of fitting velocity fields produced with the CLEAN algorithm in real-space. We demonstrate our method on Atacama Large Millimeter/submillimeter Array (ALMA) observations of12CO (2−1), (3−2), or (4−3) emission lines from an initial sample of 30 massive 850 μmselected dusty star-forming galaxies with far-infrared luminosities 1012 L in the redshift range z ∼ 1.2–4.7. Using the results from our modelling analysis for the 12 of the 20 sources with the highest signal-to-noise emission lines that show disc-like kinematics, we conclude the following: (i) our sample prefers a CO-to-H2 conversion factor, of αCO = 0.74 ± 0.37; (ii) these far-infrared luminous galaxies follow a similar Tully–Fisher relation between the circular velocity, Vcirc, and baryonic mass, Mb, as less strongly star-forming samples at high redshift, but extend this relation to much higher masses – showing that these are some of the most massive disc-like galaxies in the Universe; (iii) finally, we demonstrate support for an evolutionary link between massive high-redshift dusty star-forming galaxies and the formation of local early-type galaxies using the both the distributions of the baryonic and kinematic masses of these two populations on the Mb – σ plane and their relative space densities. |
| File Description: | electronic |
| Access URL: | https://research.chalmers.se/publication/544906 https://research.chalmers.se/publication/544906/file/544906_Fulltext.pdf |
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| Header | DbId: edsswe DbLabel: SwePub An: edsswe.oai.research.chalmers.se.5d3d96fd.d514.4fc9.9219.970a439a4b26 RelevancyScore: 1115 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 1114.736328125 |
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| Items | – Name: Title Label: Title Group: Ti Data: The kinematics of massive high-redshift dusty star-forming galaxies – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Amvrosiadis%2C+A%2E%22">Amvrosiadis, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Wardlow%2C+J%2E+L%2E%22">Wardlow, J. L.</searchLink><br /><searchLink fieldCode="AR" term="%22Birkin%2C+Jack+E%2E%22">Birkin, Jack E.</searchLink><br /><searchLink fieldCode="AR" term="%22Smail%2C+I%2E%22">Smail, I.</searchLink><br /><searchLink fieldCode="AR" term="%22Swinbank%2C+A%2E+M%2E%22">Swinbank, A. M.</searchLink><br /><searchLink fieldCode="AR" term="%22Nightingale%2C+James+W%2E%22">Nightingale, James W.</searchLink><br /><searchLink fieldCode="AR" term="%22Bertoldi%2C+F%2E%22">Bertoldi, F.</searchLink><br /><searchLink fieldCode="AR" term="%22Brandt%2C+W%2E+N%2E%22">Brandt, W. N.</searchLink><br /><searchLink fieldCode="AR" term="%22Casey%2C+Caitlin+M%2E%22">Casey, Caitlin M.</searchLink><br /><searchLink fieldCode="AR" term="%22Chapman%2C+S%2EC%2E%22">Chapman, S.C.</searchLink><br /><searchLink fieldCode="AR" term="%22Chen%2C+C%2E+C%2E%22">Chen, C. C.</searchLink><br /><searchLink fieldCode="AR" term="%22Cox%2C+P%2E%22">Cox, P.</searchLink><br /><searchLink fieldCode="AR" term="%22da+Cunha%2C+E%2E%22">da Cunha, E.</searchLink><br /><searchLink fieldCode="AR" term="%22Dannerbauer%2C+H%2E%22">Dannerbauer, H.</searchLink><br /><searchLink fieldCode="AR" term="%22Dudzeviciute%2C+U%2E%22">Dudzeviciute, U.</searchLink><br /><searchLink fieldCode="AR" term="%22Gullberg%2C+Bitten%22">Gullberg, Bitten</searchLink>, 1988<br /><searchLink fieldCode="AR" term="%22Hodge%2C+J%2E%22">Hodge, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Knudsen%2C+Kirsten%22">Knudsen, Kirsten</searchLink>, 1976<br /><searchLink fieldCode="AR" term="%22Menten%2C+K%2E%22">Menten, K.</searchLink><br /><searchLink fieldCode="AR" term="%22Walter%2C+F%2E%22">Walter, F.</searchLink><br /><searchLink fieldCode="AR" term="%22van+der+Werf%2C+P%2E%22">van der Werf, P.</searchLink> – Name: TitleSource Label: Source Group: Src Data: <i>Monthly Notices of the Royal Astronomical Society</i>. 536(4):3757-3783 – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22galaxies%3A+evolution%22">galaxies: evolution</searchLink><br /><searchLink fieldCode="DE" term="%22submillimetre%3A+galaxies%22">submillimetre: galaxies</searchLink><br /><searchLink fieldCode="DE" term="%22galaxies%3A+kinematics+and+dynamics%22">galaxies: kinematics and dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22galaxies%3A+high-redshift%22">galaxies: high-redshift</searchLink> – Name: Abstract Label: Description Group: Ab Data: We present a new method for modelling the kinematics of galaxies from interferometric observations by performing the optimization of the kinematic model parameters directly in visibility space instead of the conventional approach of fitting velocity fields produced with the CLEAN algorithm in real-space. We demonstrate our method on Atacama Large Millimeter/submillimeter Array (ALMA) observations of12CO (2−1), (3−2), or (4−3) emission lines from an initial sample of 30 massive 850 μmselected dusty star-forming galaxies with far-infrared luminosities 1012 L in the redshift range z ∼ 1.2–4.7. Using the results from our modelling analysis for the 12 of the 20 sources with the highest signal-to-noise emission lines that show disc-like kinematics, we conclude the following: (i) our sample prefers a CO-to-H2 conversion factor, of αCO = 0.74 ± 0.37; (ii) these far-infrared luminous galaxies follow a similar Tully–Fisher relation between the circular velocity, Vcirc, and baryonic mass, Mb, as less strongly star-forming samples at high redshift, but extend this relation to much higher masses – showing that these are some of the most massive disc-like galaxies in the Universe; (iii) finally, we demonstrate support for an evolutionary link between massive high-redshift dusty star-forming galaxies and the formation of local early-type galaxies using the both the distributions of the baryonic and kinematic masses of these two populations on the Mb – σ plane and their relative space densities. – Name: Format Label: File Description Group: SrcInfo Data: electronic – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="https://research.chalmers.se/publication/544906" linkWindow="_blank">https://research.chalmers.se/publication/544906</link><br /><link linkTarget="URL" linkTerm="https://research.chalmers.se/publication/544906/file/544906_Fulltext.pdf" linkWindow="_blank">https://research.chalmers.se/publication/544906/file/544906_Fulltext.pdf</link> |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1093/mnras/stae2760 Languages: – Text: English PhysicalDescription: Pagination: PageCount: 27 StartPage: 3757 Subjects: – SubjectFull: galaxies: evolution Type: general – SubjectFull: submillimetre: galaxies Type: general – SubjectFull: galaxies: kinematics and dynamics Type: general – SubjectFull: galaxies: high-redshift Type: general Titles: – TitleFull: The kinematics of massive high-redshift dusty star-forming galaxies Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Amvrosiadis, A. – PersonEntity: Name: NameFull: Wardlow, J. L. – PersonEntity: Name: NameFull: Birkin, Jack E. – PersonEntity: Name: NameFull: Smail, I. – PersonEntity: Name: NameFull: Swinbank, A. M. – PersonEntity: Name: NameFull: Nightingale, James W. – PersonEntity: Name: NameFull: Bertoldi, F. – PersonEntity: Name: NameFull: Brandt, W. N. – PersonEntity: Name: NameFull: Casey, Caitlin M. – PersonEntity: Name: NameFull: Chapman, S.C. – PersonEntity: Name: NameFull: Chen, C. C. – PersonEntity: Name: NameFull: Cox, P. – PersonEntity: Name: NameFull: da Cunha, E. – PersonEntity: Name: NameFull: Dannerbauer, H. – PersonEntity: Name: NameFull: Dudzeviciute, U. – PersonEntity: Name: NameFull: Gullberg, Bitten – PersonEntity: Name: NameFull: Hodge, J. – PersonEntity: Name: NameFull: Knudsen, Kirsten – PersonEntity: Name: NameFull: Menten, K. – PersonEntity: Name: NameFull: Walter, F. – PersonEntity: Name: NameFull: van der Werf, P. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 00358711 – Type: issn-print Value: 13652966 – Type: issn-locals Value: SWEPUB_FREE – Type: issn-locals Value: CTH_SWEPUB Numbering: – Type: volume Value: 536 – Type: issue Value: 4 Titles: – TitleFull: Monthly Notices of the Royal Astronomical Society Type: main |
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