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dc.rights.licenseCopyright © 2021, Oxford University Press-
dc.contributor.authorHogan, L.-
dc.contributor.authorRigopoulou, D.-
dc.contributor.authorMagdis, Georgios E.-
dc.contributor.authorPereira Santaella, M.-
dc.contributor.authorGarcía Bernete, I.-
dc.contributor.authorThatte, N.-
dc.contributor.authorGrisdale, K.-
dc.contributor.authorHuang, J. S.-
dc.date.accessioned2022-02-15T14:09:02Z-
dc.date.available2022-02-15T14:09:02Z-
dc.date.issued2021-02-26-
dc.identifier.citationMonthly Notices of the Royal Astronomical Society 503(4): 5329–5350(2021)es
dc.identifier.issn0035-8711-
dc.identifier.otherhttps://academic.oup.com/mnras/article/503/4/5329/6152278-
dc.identifier.urihttp://hdl.handle.net/20.500.12666/568-
dc.description.abstractWe present the results of an integral field spectroscopy survey of a sample of dusty (ultra) luminous infrared galaxies (U/LIRGs) at 2 < z < 2.5 using KMOS on the Very Large Telescope. The sample has been drawn from Herschel deep field surveys and benefits from ancillary multiwavelength data. Our goal is to investigate the physical characteristics, kinematics, and the drivers of star formation in the galaxies whose contribution dominates the peak of the cosmic star formation density. Two-thirds of the sample are main-sequence galaxies in contrast to the starburst nature of local U/LIRGs. Our kinematic study, unique in its focus on z ∼ 2 dusty star-forming galaxies, uses the H α emission line to find that ∼40 per cent appear to be isolated discs based on the ratio of rotational velocity to the velocity dispersion, suggesting steady-state mechanisms are sufficient to power the large star formation rates (SFRs). The ratio of obscured to unobscured star formation indicates the sample of galaxies experiences less dust obscuration compared to intermediate and local counterparts, while also hosting cooler dust than local U/LIRGs. In addition to H α we detect [N II] 6583 Å in our targets and show the gas-phase metallicities do not exhibit the metal deficiency of local U/LIRGs. These results indicate that, despite their extreme IR luminosity, the underlying mechanisms driving the massive SFRs found at cosmic noon are due to scaled up disc galaxies as opposed to mergers.es
dc.description.sponsorshipWe want to thank the anonymous referee for their insightful comments and suggestions that improved the quality of this paper. The analysis in this paper is based on observations made with ESO Telescopes at the La Silla Paranal Observatory under run IDs: 092.B0769(A) and 097.B-0186(A). D.R., I.G.-B., and K.G. acknowledge support from STFC through grant ST/S000488/1. G.E.M. acknowledges the Villum Fonden research grant 13160 `Gas to stars, stars to dust: tracing star formation across cosmic time' and the Cosmic Dawn Center of Excellence funded by the Danish National Research Foundation under the grant No. 140. N.T. acknowledges support from STFC through grants ST/N002717/1 and ST/S001409/1. M.P.S. acknowledges support from the Comunidad de Madrid through Atracci ' on de Talento Investigador Grant 2018-T1/TIC-11035.es
dc.language.isoenges
dc.publisherOxford Academics: Oxford University Presses
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationales
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.subjectISM: kinematics and dynamicses
dc.subjectInfrared: galaxieses
dc.subjectInfrared: IMSes
dc.subjectGalaxies: ISMes
dc.titleIntegral field spectroscopy of luminous infrared main-sequence galaxies at cosmic noones
dc.typeinfo:eu-repo/semantics/articlees
dc.contributor.orcidMagdis, G. E. [0000-0002-4872-2294]-
dc.contributor.orcidPereira Santaella, M. [0000-0002-4005-9619]-
dc.contributor.orcidGrisdale, K. [0000-0003-0375-5997]-
dc.identifier.doi10.1093/mnras/stab527-
dc.identifier.e-issn1365-2966-
dc.contributor.funderScience and Technology Facilities Council (STFC)-
dc.contributor.funderVillum Fonden-
dc.contributor.funderComunidad de Madrid-
dc.description.peerreviewedPeerreviewes
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersion-
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501-
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