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Warm H2 as a probe of massive accretion and feedback through shocks and turbulence across cosmic time

dc.contributor.authorAPPLETON, Philip
dc.contributor.authorARMUS, Lee
hal.structure.identifierInstitut d'astrophysique spatiale [IAS]
dc.contributor.authorBOULANGER, Francois
dc.contributor.authorBRADFORD, Charles M.
hal.structure.identifierFORMATION STELLAIRE 2019
dc.contributor.authorBRAINE, J.
dc.contributor.authorBROMM, Volker
hal.structure.identifierCalifornia Institute of Technology [CALTECH]
dc.contributor.authorCAPAK, Peter
dc.contributor.authorCLUVER, Michelle
hal.structure.identifierDepartment of Physics and Astronomy [Irvine]
dc.contributor.authorCOORAY, Asantha
dc.contributor.authorDIAZ-SANTOS, Tanio
hal.structure.identifierSteward Observatory
dc.contributor.authorEGAMI, Eiichi
dc.contributor.authorEMONTS, Bjorn
hal.structure.identifierInstitut d'astrophysique spatiale [IAS]
dc.contributor.authorGUILLARD, Pierre
dc.contributor.authorHELOU, George
dc.contributor.authorLANZ, Lauranne
dc.contributor.authorMADDEN, Susanne
dc.contributor.authorMEDLING, Anne
dc.contributor.authorO'SULLIVAN, Ewan
dc.contributor.authorOGLE, Patrick
dc.contributor.authorPOPE, Alexandra
dc.contributor.authorPINEAU DES FORÊTS, Guillaume
dc.contributor.authorSHULL, J. Michael
dc.contributor.authorSMITH, John-David
dc.contributor.authorTOGI, Aditya
hal.structure.identifierNASA Herschel Science Center
dc.contributor.authorXU, C. Kevin
dc.date.created2019
dc.date.issued2019
dc.identifier.issn0002-7537
dc.description.abstractEnGalaxy formation depends on a complex interplay between gravitational collapse, gas accretion, merging, and feedback processes. Yet, after many decades of investigation, these concepts are poorly understood. This paper presents the argument that warm H$_2$ can be used as a tool to unlock some of these mysteries. Turbulence, shocks and outflows, driven by star formation, AGN activity or inflows, may prevent the rapid buildup of star formation in galaxies. Central to our understanding of how gas is converted into stars is the process by which gas can dissipate its mechanical energy through turbulence and shocks in order to cool. H$_2$ lines provide direct quantitative measurements of kinetic energy dissipation in molecular gas in galaxies throughout the Universe. Based on the detection of very powerful H$_2$ lines from z = 2 galaxies and proto-clusters at the detection limits of {\it Spitzer}, we are confident that future far-IR and UV H$_2$ observations will provide a wealth of new information and insight into galaxy evolution to high-z. Finally, at the very earliest epoch of star and galaxy formation, warm H$_2$ may also provide a unique glimpse of molecular gas collapse at 7 $<$ z $<$ 12 in massive dark matter (DM) halos on their way to forming the very first galaxies. Such measurements are beyond the reach of existing and planned observatories.
dc.language.isoen
dc.publisherAmerican Astronomical Society
dc.subject.enAstrophysics - Astrophysics of Galaxies
dc.title.enWarm H2 as a probe of massive accretion and feedback through shocks and turbulence across cosmic time
dc.typeArticle de revue
dc.identifier.doi10.48550/arXiv.1903.06653
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Astrophysique galactique [astro-ph.GA]
dc.identifier.arxiv1903.06653
bordeaux.journalBulletin of the American Astronomical Society
bordeaux.pageid. 370
bordeaux.volume51
bordeaux.issue3
bordeaux.peerReviewedoui
hal.identifierhal-02070750
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02070750v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=Bulletin%20of%20the%20American%20Astronomical%20Society&amp;rft.date=2019&amp;rft.volume=51&amp;rft.issue=3&amp;rft.spage=id.%20370&amp;rft.epage=id.%20370&amp;rft.eissn=0002-7537&amp;rft.issn=0002-7537&amp;rft.au=APPLETON,%20Philip&amp;ARMUS,%20Lee&amp;BOULANGER,%20Francois&amp;BRADFORD,%20Charles%20M.&amp;BRAINE,%20J.&amp;rft.genre=article


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