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oftheglobalstarformationrateanddiskgascontent.Asanexampleofthetechnique, propertiesofdiskgalaxies,suchasthemorphology,rateofstarformation,andevolution toaringgalaxyreminiscentoftheCartwheel(AM0035{35).Theprimarygalaxyin wemodelanencounterbetweenadiskgalaxyandasmallcompanionwhichgivesrise increatingnewparticles.Themodelsareshowntoreproducewellthestarforming fromgaseoustocollisionlessparticles,avoidingthecomputationaldicultiesinvolved theexpansionofthering,andadelayedphaseasshockedmaterialintheringfallsback intothecentralregions. Subjectheadings:galaxies:evolution,galaxies:individual(AM0035{035),galaxies:starburst, thisencounterexperiencestwophasesofstarformingactivity:aninitialperiodduring methods:numerical,stars:formation Thestudyofgalaxyformationandevolutioninvolvesacomplicatedrangeofphysicalprocesseswhich includesgravitationaldynamics,hydrodynamics,the eectsofstarformation,andtheformationandevolutionofstellarpopulations.Theseprocessesarenonlinearandcloselyinterlinked.Asanillustration,considertheformationofabarinadiskgalaxywhich givesrisetoanuclearburstofstarformation.A

Year: 2013
OAI identifier: oai:CiteSeerX.psu:10.1.1.316.3360
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