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Ionized and molecular gas studies to unveil AGN feedback PDF

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Ionized and molecular gas studies to unveil AGN feedback Darshan Kakkad Mu¨nchen 2017 Ionized and molecular gas studies to unveil AGN feedback Darshan Kakkad Dissertation an der Fakulta¨t fu¨r Physik der Ludwig–Maximilians–Universita¨t Mu¨nchen vorgelegt von Darshan Kakkad aus Kollam, Indien Mu¨nchen, den 30 Mai, 2017 Erstgutachter: Prof. Dr. Andreas Burkert Zweitgutachter: Prof. Dr. Kirpal Nandra Tag der mu¨ndlichen Pru¨fung: 12 Juli, 2017 TomyFamily vi Contents Zusammenfassung xvii Abstract xix 1 Introduction 1 1.1 Theworldofgalaxies: Anoverview . . . . . . . . . . . . . . . . 2 1.2 ActiveGalacticNuclei . . . . . . . . . . . . . . . . . . . . . . . 4 1.2.1 Abriefhistory . . . . . . . . . . . . . . . . . . . . . . . 4 1.2.2 Theblackholeparadigm . . . . . . . . . . . . . . . . . . 5 1.2.3 AUnifiedmodelofAGN . . . . . . . . . . . . . . . . . . 7 1.3 HostgalaxiesofAGN . . . . . . . . . . . . . . . . . . . . . . . . 11 1.3.1 BroadLineRegion . . . . . . . . . . . . . . . . . . . . . 11 1.3.2 NarrowLineRegion . . . . . . . . . . . . . . . . . . . . 12 1.4 AGN-galaxyco-evolution . . . . . . . . . . . . . . . . . . . . . . 15 1.5 AGNfeedback . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1.5.1 AGNfeedbackthroughsimulations . . . . . . . . . . . . 18 1.5.2 KineticAGNfeedback . . . . . . . . . . . . . . . . . . . 21 1.5.3 RadiativeAGNfeedback . . . . . . . . . . . . . . . . . . 22 1.6 Observationaltools . . . . . . . . . . . . . . . . . . . . . . . . . 25 1.6.1 IntegralFieldSpectroscopy . . . . . . . . . . . . . . . . 25 1.6.2 Sub-mmSpectroscopy . . . . . . . . . . . . . . . . . . . 27 1.7 ThesisOverview . . . . . . . . . . . . . . . . . . . . . . . . . . 28 2 TracingoutflowsinAGNforbiddenregionwithSINFONI 31 2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 2.2 Sampleselection . . . . . . . . . . . . . . . . . . . . . . . . . . 35 2.3 Observationsanddatareduction . . . . . . . . . . . . . . . . . . 41 2.4 Dataanalysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 viii CONTENTS 2.5 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 2.5.1 XID178andXID5627 . . . . . . . . . . . . . . . . . . . 44 2.5.2 XID5330 . . . . . . . . . . . . . . . . . . . . . . . . . . 48 2.5.3 XID54204 . . . . . . . . . . . . . . . . . . . . . . . . . 53 2.6 Outflowproperties . . . . . . . . . . . . . . . . . . . . . . . . . 53 2.7 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 2.7.1 Outflowdetectionandselectionefficiency . . . . . . . . . 58 2.7.2 Sourceoftheoutflows . . . . . . . . . . . . . . . . . . . 60 2.7.3 Uncertaintiesintheestimates . . . . . . . . . . . . . . . 66 2.8 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 3 ElectrondensitiesinAGNNarrowLineRegionwithS7survey 71 3.1 Motivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 3.2 ObservationsandDatareduction . . . . . . . . . . . . . . . . . . 73 3.3 Dataanalysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 3.3.1 Emissionlinefitting . . . . . . . . . . . . . . . . . . . . 75 3.3.2 Determinationofelectrondensities . . . . . . . . . . . . 77 3.4 ResultsandDiscussion . . . . . . . . . . . . . . . . . . . . . . . 78 3.5 SummaryandConclusions . . . . . . . . . . . . . . . . . . . . . 88 3.6 SpectraofS7galaxies . . . . . . . . . . . . . . . . . . . . . . . . 90 4 MoleculargasinAGNhosts 101 4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 4.2 Targetselection . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 4.3 ObservationsandDataanalysis . . . . . . . . . . . . . . . . . . . 110 4.4 ResultsandAnalysis . . . . . . . . . . . . . . . . . . . . . . . . 113 4.4.1 MolecularmassfromCO . . . . . . . . . . . . . . . . . . 116 4.4.2 ObservedrelationsforAGNs . . . . . . . . . . . . . . . . 118 4.5 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 4.6 SummaryandConclusions . . . . . . . . . . . . . . . . . . . . . 124 5 ConclusionsandFutureprospects 127 5.1 Summaryofthisthesis . . . . . . . . . . . . . . . . . . . . . . . 127 5.2 Ongoingworkandfutureprospects . . . . . . . . . . . . . . . . . 129 5.2.1 AreoutflowsremovingthemoleculargasfromAGNhost galaxies? . . . . . . . . . . . . . . . . . . . . . . . . . . 130 5.2.2 Constrainingα inAGNhostgalaxies . . . . . . . . . . 130 CO 5.2.3 SUPERsurveytorevealradiativeAGNfeedback . . . . . 131 Contents ix 5.3 FinalRemarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 A Listofacronymsusedinthisthesis 137 Acknowledgments 154 x Contents

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ing the past decade to unveil the effect of such Active Galactic Nucleus (AGN) .. The inverse Compton scattering of the UV photons from the accretion disk .. The Large Binocular Telescope mid-infrared Camera (LMIRCam) is.
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