Optically selected galaxy clusters as a cosmological probe:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2013
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| Schlagworte: | |
| Online-Zugang: | Volltext http://d-nb.info/1045153087/34 kostenfrei Inhaltsverzeichnis |
| Beschreibung: | XIV, 143 S. Ill., graph. Darst. |
| Format: | Langzeitarchivierung gewährleistet, LZA |
Internformat
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Datensatz im Suchindex
| _version_ | 1804151660867485696 |
|---|---|
| adam_text | CONTENTS
ZUSAMMENFASSUNG X
SUMMARY XIII
1 INTRODUCTION 1
1.1 THE HOMOGENEOUS UNIVERSE 1
1.1.1 COSMOLOGICAL PRINCIPLE 2
1.1.2 FRIEDMANN-LEMAITRE-ROBERTSON-WALKER METRIC . . : 2
1.1.3 EINSTEIN S FIELD EQUATIONS 3
1.1.4 FRIEDMANN EQUATIONS 3
1.1.5 THE CRITICAL DENSITY 5
1.1.6 ENERGY DENSITY COMPONENTS 5
1.1.7 HUBBLE S LAW 8
1.1.8 COSMOLOGICAL DISTANCES 10
1.2 THE THEORY OF STRUCTURE FORMATION 11
1.2.1 COSMIC INFLATION 11
1.2.2 JEANS GRAVITATIONAL INSTABILITY 12
1.2.3 EVOLUTION OF INHOMOGENEITIES 12
1.2.4 LINEARISED PERTURBATION EQUATIONS 14
1.2.5 PERTURBATION EQUATIONS IN AN EXPANDING UNIVERSE 15
1.2.6 POWER SPECTRUM OF DENSITY FLUCTUATIONS 17
1.3 COSMOLOGICAL PROBES 19
1.3.1 SUPERNOVAE TYPE LA 19
1.3.2 BARYON ACOUSTIC OSCILLATIONS 20
1.3.3 THE COSMIC MICROWAVE BACKGROUND RADIATION 21
1.4 GALAXY CLUSTERS 25
1.4.1 HISTORY OF GALAXY CLUSTERS OBSERVATIONS 25
1.4.2 MAIN FEATURES, COMPONENTS AND OBSERVABLES 26
HTTP://D-NB.INFO/1046814648
VIII CONTENTS
1.4.3 CLUSTER MASS PROXIES 28
1.4.4 FORMATION OF GALAXY CLUSTERS 29
1.4.5 CLUSTERS AS COSMOLOGICAL PROBES 29
1.5 ACDM STANDARD MODEL 31
1.5.1 COSMOLOGICAL CONSTRAINTS FROM OBSERVATIONS 33
2 GALAXY CLUSTERS FROM THEORY SIDE 37
2.1 CLUSTER MASSES 37
2.1.1 DEFINITION 38
2.1.2 HALO DENSITY DISTRIBUTION 38
2.1.3 WEAK LENSING SIGNAL 39
2.2 MASS FUNCTION 43
2.2.1 PRESS-SCHECHTER FORMALISM 44
2.2.2 N-BODY SIMULATIONS CALIBRATION 46
2.2.3 COSMOLOGY DEPENDENCE OF THE MASS FUNCTION 48
2.3 MODELLING CLUSTER COUNTS AND TOTAL MASSES 51
2.4 CLUSTERING OF CLUSTERS 53
2.4.1 HALO BIAS 53
2.4.2 CLUSTER POWER SPECTRUM 55
2.5 PRIMORDIAL NON-GAUSSIANITY , 58
2.5.1 DEFINITION OF /NL
PARAMETER 59
2.5.2 MODIFIED MASS FUNCTION 60
2.5.3 MODIFIED BIAS 62
3 OBSERVATIONS, DATA AND ERRORS 65
3.1 MULTI-WAVELENGTH SURVEYS OF GALAXY CLUSTERS 65
3.1.1 X-RAY SURVEJ S 66
3.1.2 SZ SURVEYS 66
3.1.3 WL SURVEYS 67
3.1.4 OPTICAL SURVEYS 67
3.1.5 FUTURE SURVEYS 68
3.1.6 COSMOLOGICAL CONSTRAINTS FROM CLUSTER CATALOGUES 68
3.2 THE SLOAN DIGITAL SKY SURVEY 70
3.2.1 MAXBCG CATALOGUE 70
3.3 MAXBCG CLUSTER NUMBER COUNTS 72
3.3.1 CLUSTER ABUNDANCES 72
3.3.2 COUNTS COVARIANCE MATRIX 73
3.4 MAXBCG CLUSTER MASSES 76
TABLE OF CONTENTS IX
3.4.1 MEAN CLUSTER MASSES FROM WEAK LENSING OBSERVATIONS . ..... 76
3.4.2 MASS-RICHNESS SCALING RELATION 78
3.4.3 CLUSTER TOTAL MASSES 80
3.5 MAXBCG CLUSTER POWER SPECTRUM 81
3.5.1 CLUSTER POWER SPECTRUM CALCULATION 81
3.5.2 CLUSTER POWER SPECTRUM COVARIANCE MATRIX 84
3.6 THE COUNTS-CLUSTERING OFF-DIAGONAL COVARIANCE 85
4 COSMOLOGICAL ANALYSIS 89
4.1 PARAMETER ESTIMATION 89
4.1.1 BAYES THEOREM 90
4.1.2 GAUSSIAN X
2
STATISTICS 90
4.1.3 C-STATISTICS 92
4.1.4 CONFIDENCE REGIONS AND MARGINALISATION 92
4.2 SAMPLING METHODS 93
4.2.1 MARKOV CHAINS 94
4.2.2 MONTE CARLO METHODS 94
4.2.3 MCMC METHODS 95
4.3 THE COSMOLOGICAL MONTE-CARLO 98
4.4 COMBINED MAXBCG ANALYSIS 101
4.5 RESULTS . 103
4.5.1 FI
M
* AG CONTOURS 103
4.5.2 SCALING RELATION PARAMETERS CONTOURS 106
4.5.3 LOG(10
10
A
S
) * ERG
CONTOURS 110
4.5.4 /NL
* AND /NL
* C
8
CONTOURS 110
5 CLUSTERS-GALAXIES CROSS CORRELATION 115
5.1 MEASUREMENT BY PIXELIZATION 115
5.1.1 PIXELIZATION METHOD 116
5.1.2 THE MASK AND THE CATALOGUES 117
5.2 ANGULAR CORRELATION FUNCTION ESTIMATOR 118
5.3 THEORETICAL PREDICTION 118
5.4 ERROR ESTIMATES 119
6 CONCLUSIONS 121
ACRONYMS 128
DANKSAGUNG 146
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| spelling | Mana, Annalisa Verfasser aut Optically selected galaxy clusters as a cosmological probe Annalisa Mana 2013 XIV, 143 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Univ., Diss., 2013 Langzeitarchivierung gewährleistet, LZA Mit einer Zssfassung in dt. Sprache (DE-588)4113937-9 Hochschulschrift gnd-content Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:19-163279 https://nbn-resolving.org/urn:nbn:de:bvb:19-163279 Resolving-System kostenfrei Volltext http://d-nb.info/1045153087/34 Langzeitarchivierung Nationalbibliothek http://edoc.ub.uni-muenchen.de/16327/ Verlag kostenfrei DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026997251&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Mana, Annalisa Optically selected galaxy clusters as a cosmological probe |
| subject_GND | (DE-588)4113937-9 |
| title | Optically selected galaxy clusters as a cosmological probe |
| title_auth | Optically selected galaxy clusters as a cosmological probe |
| title_exact_search | Optically selected galaxy clusters as a cosmological probe |
| title_full | Optically selected galaxy clusters as a cosmological probe Annalisa Mana |
| title_fullStr | Optically selected galaxy clusters as a cosmological probe Annalisa Mana |
| title_full_unstemmed | Optically selected galaxy clusters as a cosmological probe Annalisa Mana |
| title_short | Optically selected galaxy clusters as a cosmological probe |
| title_sort | optically selected galaxy clusters as a cosmological probe |
| topic_facet | Hochschulschrift |
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