150 Pages
English

Evolution of radio galaxies across cosmic time [Elektronische Ressource] / vorgelegt von Emilio Donoso

-

Gain access to the library to view online
Learn more

Description

Ludwig-Maximilians-Universit¨atEvolutionofRadioGalaxiesAcrossCosmicTimeDissertation der Fakult¨at fu¨r PhysikDissertation of the Faculty of Physicsder Ludwig-Maximilians-Universit¨atMu¨nchenat the Ludwig Maximilian University of Munichfu¨r den Grad desfor the degree ofDoctor rerum naturaliumvorgelegt von Emilio Donosopresented byaus San Juan, ArgentinienfromMu¨nchen,20101. Gutachter: Prof. Dr. Simon D. M. White2. Gutachter: Priv.-Doz. Dr. Hans B¨ohringerTag der mu¨ndlichen Pru¨fung: 10.03.2010To my beloved wife and star, SilvanaYo digo que las estrellas le dan gracias a la noche,´pues encima de otro coche no pueden lucir mas bellas,y digo que es culpa de ellas, la noche, el universo,cual son culpables estos versos,de que haya noche y estrellas.Silvio Rodriguez – La Habana, Cuba, 1975ContentsContents 3Zusammenfassung 11Abstract 131 General Context and Motivation 151.1 An Exciting Time For Radio Astronomy . . . . . . . . . . . . . . 151.2 The Zoo of Active Galactic Nuclei (AGN) . . . . . . . . . . . . . 171.3 Properties of Radio Galaxies and Quasars . . . . . . . . . . . . . 191.3.1 Radio Galaxies . . . . . . . . . . . . . . . . . . . . . . . . . 191.3.2 Radio Quasars . . . . . . . . . . . . . . . . . . . . . . . . . 201.3.3 Observational Phenomenology of Radio AGN . . . . . . . . 211.3.4 Fanaroff-Riley Classification . . . . . . . . . . . . . . . . . 221.4 Basic Cosmology and the Emergence of Structure . . . . . . . . . 251.

Subjects

Informations

Published by
Published 01 January 2010
Reads 7
Language English
Document size 4 MB

Ludwig-Maximilians-Universit¨at
EvolutionofRadioGalaxiesAcross
CosmicTime
Dissertation der Fakult¨at fu¨r Physik
Dissertation of the Faculty of Physics
der Ludwig-Maximilians-Universit¨atMu¨nchen
at the Ludwig Maximilian University of Munich
fu¨r den Grad des
for the degree of
Doctor rerum naturalium
vorgelegt von Emilio Donoso
presented by
aus San Juan, Argentinien
from
Mu¨nchen,20101. Gutachter: Prof. Dr. Simon D. M. White
2. Gutachter: Priv.-Doz. Dr. Hans B¨ohringer
Tag der mu¨ndlichen Pru¨fung: 10.03.2010To my beloved wife and star, Silvana
Yo digo que las estrellas le dan gracias a la noche,
´pues encima de otro coche no pueden lucir mas bellas,
y digo que es culpa de ellas, la noche, el universo,
cual son culpables estos versos,
de que haya noche y estrellas.
Silvio Rodriguez – La Habana, Cuba, 1975Contents
Contents 3
Zusammenfassung 11
Abstract 13
1 General Context and Motivation 15
1.1 An Exciting Time For Radio Astronomy . . . . . . . . . . . . . . 15
1.2 The Zoo of Active Galactic Nuclei (AGN) . . . . . . . . . . . . . 17
1.3 Properties of Radio Galaxies and Quasars . . . . . . . . . . . . . 19
1.3.1 Radio Galaxies . . . . . . . . . . . . . . . . . . . . . . . . . 19
1.3.2 Radio Quasars . . . . . . . . . . . . . . . . . . . . . . . . . 20
1.3.3 Observational Phenomenology of Radio AGN . . . . . . . . 21
1.3.4 Fanaroff-Riley Classification . . . . . . . . . . . . . . . . . 22
1.4 Basic Cosmology and the Emergence of Structure . . . . . . . . . 25
1.5 Role of Radio AGN in Galaxy Formation . . . . . . . . . . . . . 26
1.6 This thesis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2 Construction of Radio-Optical Galaxy Samples 31
2.1 The Sloan Digital Sky Survey . . . . . . . . . . . . . . . . . . . . 31
2.2 The MegaZ-LRG Galaxy Catalogue . . . . . . . . . . . . . . . . . 33
2.3 The NVSS and FIRST Radio Catalogs . . . . . . . . . . . . . . . 38
2.4 Cross-matching Radio and Optical Data . . . . . . . . . . . . . . 39
2.4.1 Multi-component NVSS Sources . . . . . . . . . . . . . . . 42
2.4.2 NVSS doubles . . . . . . . . . . . . . . . . . . . . . . . . . 42
2.4.3 NVSS Triples . . . . . . . . . . . . . . . . . . . . . . . . . 43
2.4.4 NVSS Quadruples . . . . . . . . . . . . . . . . . . . . . . . 43
2.4.5 Single-component NVSS Sources . . . . . . . . . . . . . . . 45
2.4.6 NVSS Sources with 1 FIRST Match . . . . . . . . . . . . . 46
2.4.7 NVSS Sources with 2 FIRST Matches . . . . . . . . . . . . 47
2.4.8 NVSS Sources with 3 and more FIRST Matches . . . . . . 48
2.4.9 Improved matching of sources without FIRST counterparts 49
32.4.10Repeated Matches and Visual Classification . . . . . . . . . 51
2.5 Reliability, Completeness and Final Catalogue . . . . . . . . . . . 52
2.6 The Local Radio Galaxy Comparison Sample . . . . . . . . . . . 53
3 Evolution of Radio-Loud Active Galactic Nuclei 61
3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
3.2 Stellar Masses and (K+e)-corrections . . . . . . . . . . . . . . . . 64
3.3 The Radio Luminosity Function . . . . . . . . . . . . . . . . . . . 67
3.4 The Fraction of RL-AGN . . . . . . . . . . . . . . . . . . . . . . 72
3.5 Bivariate Radio Luminosity-Mass Function. . . . . . . . . . . . . 75
3.6 Stellar masses and colors of the host galaxies of radio-loud AGN . 78
3.7 Systematic Effects . . . . . . . . . . . . . . . . . . . . . . . . . . 79
3.8 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
4 Clustering of Radio Galaxies and Quasars 87
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
4.2 The Radio-loud and Radio-quiet Quasar Samples . . . . . . . . . 90
4.2.1 Sample Properties . . . . . . . . . . . . . . . . . . . . . . . 91
4.3 Clustering Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . 91
4.3.1 The Cross-correlation Function . . . . . . . . . . . . . . . . 91
4.3.2 Construction of the Random Sample . . . . . . . . . . . . . 95
4.4 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
4.4.1 Radio-loud AGN clustering . . . . . . . . . . . . . . . . . . 95
4.4.2 Dependence on Stellar Mass . . . . . . . . . . . . . . . . . 98
4.4.3 Dependence on Radio Luminosity . . . . . . . . . . . . . . 98
4.4.4 Quasar clustering and AGN Unification . . . . . . . . . . . 104
4.4.5 Black Hole Mass . . . . . . . . . . . . . . . . . . . . . . . . 106
4.4.6 Radio Luminosity . . . . . . . . . . . . . . . . . . . . . . . 108
4.5 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
5 Modeling the Radio-loud Galaxy Population 113
5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
5.1.1 AGN Feedback in SAMs . . . . . . . . . . . . . . . . . . . 113
5.1.2 Halo Occupation Distribution Models of Galaxy Clustering 114
5.1.3 The heating power of RLAGN in the local universe . . . . 115
5.2 The Millennium Simulation . . . . . . . . . . . . . . . . . . . . . 115
5.3 Modeling of Radio-loud AGN . . . . . . . . . . . . . . . . . . . . 116
5.3.1 The basic model at z ∼ 0 . . . . . . . . . . . . . . . . . . . 116
5.3.2 Extension of the model to z ∼ 0.55. . . . . . . . . . . . . . 117
5.4 Mechanical Luminosities of Radio-loud AGN . . . . . . . . . . . . 1195.5 The heating effect of Radio-loud AGN . . . . . . . . . . . . . . . 121
6 Summary and Perspectives 125
Acknowledgments 129
Bibliography 135