Chemical evolution and galaxy formation:
Saved in:
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
2000
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| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | München, Univ., Fak. für Physik, Diss., 2000 |
| Physical Description: | XX, 161 S. graph. Darst. |
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Record in the Search Index
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| adam_text |
CONTENTS
1 INTRODUCTION 1
1.1 OUTLINE . 1
1.2 FUNDAMENTALS. 2
1.2.1 CHEMICAL EVOLUTION: THE STAR FORMATION CLOCK. 2
1.2.2 STELLAR POPULATION SYNTHESIS. 4
1.2.3 GALAXY FORMATION. 6
2 STELLAR YIELDS AND CHEMICAL EVOLUTION 11
2.1 THE FUNDAMENTALS OF CHEMICAL EVOLUTION. 11
2.1.1 THE BASIC EQUATIONS. 11
2.1.2 THE INITIAL MASS FUNCTION. 14
2.2 STELLAR NUCLEOSYNTHESIS. 14
2.2.1 INTERMEDIATE-MASS STARS AND TYPE LA SUPERNOVAE.14
2.2.2 TYPE II SUPERNOVAE. 15
2.3 SSP-YIELDS.22
2.4 SUMMARY.24
3 THE MILKY WAY 27
3.1 THE MODEL PARAMETERS.28
3.2 OBSERVATIONAL CONSTRAINTS.28
3.2.1 CURRENT INFALL, RATE AND GAS FRACTION.29
3.2.2 ABUNDANCE DISTRIBUTION FUNCTION.30
3.2.3 SUPERNOVA RATES.31
3.2.4 AGE-METALLICITY RELATION.32
3.2.5 ELEMENT ABUNDANCES.33
3.3 DELAYED MIXING.37
3.3.1 THE TWO GAS PHASES./.37
3.3.2 ELEMENT ABUNDANCES.37
3.4 SUMMARY.39
4 ELLIPTICAL GALAXIES 41
4.1 MERGING SPIRALS VS. CLUMPY COLLAPSE.41
4.2 THE MODEL.43
4.2.1 INPUT INGREDIENTS FOR THE CHEMICAL EVOLUTION.45
4.2.2 AVERAGE ABUNDANCES.45
4.3 RESULTS.46
XIII
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/961278978
CONTENTS
XIV
4.3.1 PREDICTIONS FROM THE CLOSED BOX MODEL.47
4.3.2 CENTRAL ABUNDANCES IN A CLUMPY COLLAPSE.48
4.3.3 CENTRAL ABUNDANCES IN MERGING SPIRALS.52
4.3.4 COMPARISON MERGING SPIRALS VS. FAST CLUMPY COLLAPSE . . 54
4.4 DISCUSSION. 56
4.4.1 GRADIENTS INSIDE THE GALAXY. 56
4.4.2 UPPER MASS CUTOFF.57
4.4.3 HOW TO INTERPRET SPECTRAL INDICES? .57
4.5 SUMMARY. 58
5 HIERARCHICAL GALAXY FORMATION 61
5.1 AVERAGE STAR FORMATION HISTORIES.61
5.1.1 THE MODEL .61
5.1.2 GLOBAL POPULATIONS.63
5.1.3 BURST POPULATIONS IN THE ELLIPTICAL .67
5.1.4 GLOBAL-TO-BURST POPULATION MIXTURES.68
5.1.5 SUMMARY.73 '
5.2 INDIVIDUAL STAR FORMATION HISTORIES. 74
5.2.1 THE MODEL . 74
5.2.2 ENVIRONMENT AND MORPHOLOGY. 75
5.2.3 TRENDS WITH LUMINOSITY . 75
5.2.4 BULGES. 77
5.2.5 SUMMARY.80
5.3 DISCUSSION. 80
5.3.1 UNIVERSAL OR VARIABLE IMF?.80
5.3.2 SELECTIVE MASS LOSS. 81
5.3.3 CLUSTER VS. FIELD. 81
5.3.4 EARLY STAR FORMATION AND LATE ASSEMBLY?.81
6 THE AGES OF ELLIPTICAL GALAXIES 83
6.1 SIMPLE STELLAR POPULATION MODELS. .83
6.1.1 SPECTRAL LINE INDICES.84
6.1.2 SPECTRAL ENERGY DISTRIBUTIONS.85
6.2 RESULTS.87
6.2.1 INDICES AND COLORS .87
6.2.2 CONSTRAINTS FROM THE MID-UV.89
6.2.3 MODELS FOR HF3 2
A
.95
6.3 DISCUSSION.95
6.3.1 METALLICITY DISTRIBUTIONS IN ELLIPTICALS.95
6.3.2 EVIDENCE AGAINST RECENT STAR FORMATION.96
6.4 SUMMARY.97
7 GALAXY CLUSTERS 99
7.1 OBSERVATIONAL DIAGNOSTICS.99
7.2 THE LUMINOSITY FUNCTION.100
7.3 THE MODEL.101
7.3.1 CHEMICAL EVOLUTION.101
CONTENTS
XV
7.3.2 METALLICITY-LUMINOSITY RELATION .102
7.3.3 GALAXY-CLUSTER ASYMMETRY.102
7.4 RESULTS.105
7.4.1 TOTAL IRON MASS.106
7.4.2 TOTAL GAS MASS.106
7.4.3 ABUNDANCE RATIOS.108
7.4.4 GALAXY CONTRIBUTIONS.108
7.5 SUMMARY.HI
8 DWARF GALAXIES 113
8.1 THE DWARF GALAXY POPULATION.113
8.1.1 BASIC PROPERTIES .113
8.1.2 OPEN PROBLEMS.114
8.2 OBSERVATIONS.115
8.2.1 THE SAMPLE.115
8.2.2 DATA REDUCTION.118
8.2.3 KINEMATICS.118
8.2.4 LINE INDICES. 120
8.3 RESULTS.121
8.3.1 KINEMATICS.126
8.3.2 LINE INDICES.128
8.4 DISCUSSION.139
8.5 SUMMARY.140
9 OUTLOOK
143 |
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| institution | BVB |
| language | English |
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| physical | XX, 161 S. graph. Darst. |
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| spelling | Thomas, Daniel 1972- Verfasser (DE-588)122830180 aut Chemical evolution and galaxy formation von Daniel Thomas 2000 XX, 161 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Univ., Fak. für Physik, Diss., 2000 Hochschulschrift gtt Entstehung (DE-588)4156614-2 gnd rswk-swf Galaxie (DE-588)4057375-8 gnd rswk-swf Nukleosynthese (DE-588)4172156-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Galaxie (DE-588)4057375-8 s Entstehung (DE-588)4156614-2 s Nukleosynthese (DE-588)4172156-1 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009340180&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Thomas, Daniel 1972- Chemical evolution and galaxy formation Hochschulschrift gtt Entstehung (DE-588)4156614-2 gnd Galaxie (DE-588)4057375-8 gnd Nukleosynthese (DE-588)4172156-1 gnd |
| subject_GND | (DE-588)4156614-2 (DE-588)4057375-8 (DE-588)4172156-1 (DE-588)4113937-9 |
| title | Chemical evolution and galaxy formation |
| title_auth | Chemical evolution and galaxy formation |
| title_exact_search | Chemical evolution and galaxy formation |
| title_full | Chemical evolution and galaxy formation von Daniel Thomas |
| title_fullStr | Chemical evolution and galaxy formation von Daniel Thomas |
| title_full_unstemmed | Chemical evolution and galaxy formation von Daniel Thomas |
| title_short | Chemical evolution and galaxy formation |
| title_sort | chemical evolution and galaxy formation |
| topic | Hochschulschrift gtt Entstehung (DE-588)4156614-2 gnd Galaxie (DE-588)4057375-8 gnd Nukleosynthese (DE-588)4172156-1 gnd |
| topic_facet | Hochschulschrift Entstehung Galaxie Nukleosynthese |
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