Ten thousand stars and one black hole: a study of the galactic center in the near infrared
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Lichtenberg (Odw.)
Harland Media
[2008]
|
| Ausgabe: | 1. Aufl. |
| Schlagworte: | |
| Online-Zugang: | Inhaltstext Inhaltsverzeichnis |
| Beschreibung: | XVI, 155 S. graph. Darst. 210 mm x 148 mm |
| ISBN: | 9783938363225 3938363223 |
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Datensatz im Suchindex
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| adam_text |
SASCHA TRIPPE TEN THOUSAND STARS AND ONE BLACK HOLE A STUDY OF THE
GALACTIC CENTER IN THE NEAR INFRARED HARLAND. MEAIA CONTENTS LIST OF
FIGURES X LIST OF TABLES XI ZUSAMMENFASSUNG XIII SUMMARY XV 1
INTRODUCTION 1 1.1 THE GALACTIC CENTER 1 1.1.1 SCALES AND STRUCTURES 2
1.1.2 THE CENTRAL STAR CLUSTER 8 1.1.3 SAGITTARIUS A* 15 1.2
OBSERVATIONS 21 1.2.1 OBTAINING DIFFRACTION-LIMITED DATA .* 21 1.2.2
INSTRUMENTS 24 1.3 DATA PROCESSING AND ANALYSIS 29 1.3.1 DATA REDUCTION
31 1.3.2 DECONVOLUTION 35 1.3.3 FLUXES AND POSITIONS 39 1.3.4 TIME
SERIES 42 2 THE LBV CANDIDATE GCIRS34YV 47 2.1 INTRODUCTION 47 2.2
OBSERVATIONS 49 2.2.1 PHOTOMETRY 49 2.2.2 SPECTROSCOPY 49 2.3 RESULTS
AND DISCUSSION 50 2.4 SUMMARY 60 V VI CONTENTS 3 POLARISED EMISSION FROM
SGRA* 61 3.1 INTRODUCTION 61 3.2 OBSERVATIONS AND DATA REDUCTION 62 3.3
RESULTS 67 3.4 CONTEXT 70 3.5 DISCUSSION 77 3.5.1 NATURE OF THE FLARES
77 3.5.2 GEOMETRY OF THE SYSTEM 79 3.5.3 PROPOSED MODEL 80 3.6 SUMMARY
81 4 MOTION OF THE STELLAR CUSP 83 4.1 INTRODUCTION 83 4.2 RADIO
OBSERVATIONS 84 4.2.1 VLA OBSERVATIONS 85 4.2.2 SIO MASER PROPER MOTIONS
88 4.3 INFRARED OBSERVATIONS 92 4.4 RADIO & INFRARED FRAME ALIGNMENTS 94
4.5 ENCLOSED MASS VERSUS RADIUS FROM SGRA* 95 4.5.1 DARK MATTER IN THE
CENTRAL STELLAR CLUSTER 97 4.5.2 IRS 9 NOT BOUND TO THE CENTRAL PARSEC
97 4.5.3 R O EXCEEDS 9 KPC 100 4.5.4 NON-ZERO VLSR FOR SGRA* 101 4.5.5
IRS 9 IS (OR WAS) IN A BINARY 101 4.6 CONCLUSIONS 102 5 KINEMATICS OF
THE CO STAR CLUSTER 104 5.1 INTRODUCTION 105 5.2 OBSERVATIONS AND DATA
REDUCTION 107 5.3 ASTROMETRY 108 5.3.1 THE PROCEDURE 108 5.3.2 GEOMETRIC
DISTORTION 109 5.3.3 IMAGE REGISTRATION AND MOSAICKING 112 5.3.4
POSITIONS AND COORDINATES 114 5.3.5 PROPER MOTIONS 115 5.4 SPECTROSCOPY
117 5.5 RESULTS AND DISCUSSION 119 5.5.1 GLOBAL ROTATION 119 CONTENTS
VJI 5.5.2 PHASE-SPACE DISTRIBUTIONS 123 5.5.3 DISTRIBUTION OF STELLAR 3D
SPEEDS 129 5.5.4 STATISTICAL PARALLAX OF THE GALACTIC CENTER 131 5.5.5
ACCELERATION UPPER LIMITS 135 5.5.6 THE STAR GROUP IRS 13E 137 5.6
CONCLUSIONS 140 6 CONCLUSIONS 142 ACKNOWLEDGEMENTS 146 BIBLIOGRAPHY 147 |
| adam_txt |
SASCHA TRIPPE TEN THOUSAND STARS AND ONE BLACK HOLE A STUDY OF THE
GALACTIC CENTER IN THE NEAR INFRARED HARLAND. MEAIA CONTENTS LIST OF
FIGURES X LIST OF TABLES XI ZUSAMMENFASSUNG XIII SUMMARY XV 1
INTRODUCTION 1 1.1 THE GALACTIC CENTER 1 1.1.1 SCALES AND STRUCTURES 2
1.1.2 THE CENTRAL STAR CLUSTER 8 1.1.3 SAGITTARIUS A* 15 1.2
OBSERVATIONS 21 1.2.1 OBTAINING DIFFRACTION-LIMITED DATA .* 21 1.2.2
INSTRUMENTS 24 1.3 DATA PROCESSING AND ANALYSIS 29 1.3.1 DATA REDUCTION
31 1.3.2 DECONVOLUTION 35 1.3.3 FLUXES AND POSITIONS 39 1.3.4 TIME
SERIES 42 2 THE LBV CANDIDATE GCIRS34YV 47 2.1 INTRODUCTION 47 2.2
OBSERVATIONS 49 2.2.1 PHOTOMETRY 49 2.2.2 SPECTROSCOPY 49 2.3 RESULTS
AND DISCUSSION 50 2.4 SUMMARY 60 V VI CONTENTS 3 POLARISED EMISSION FROM
SGRA* 61 3.1 INTRODUCTION 61 3.2 OBSERVATIONS AND DATA REDUCTION 62 3.3
RESULTS 67 3.4 CONTEXT 70 3.5 DISCUSSION 77 3.5.1 NATURE OF THE FLARES
77 3.5.2 GEOMETRY OF THE SYSTEM 79 3.5.3 PROPOSED MODEL 80 3.6 SUMMARY
81 4 MOTION OF THE STELLAR CUSP 83 4.1 INTRODUCTION 83 4.2 RADIO
OBSERVATIONS 84 4.2.1 VLA OBSERVATIONS 85 4.2.2 SIO MASER PROPER MOTIONS
88 4.3 INFRARED OBSERVATIONS 92 4.4 RADIO & INFRARED FRAME ALIGNMENTS 94
4.5 ENCLOSED MASS VERSUS RADIUS FROM SGRA* 95 4.5.1 DARK MATTER IN THE
CENTRAL STELLAR CLUSTER 97 4.5.2 IRS 9 NOT BOUND TO THE CENTRAL PARSEC
97 4.5.3 R O EXCEEDS 9 KPC 100 4.5.4 NON-ZERO VLSR FOR SGRA* 101 4.5.5
IRS 9 IS (OR WAS) IN A BINARY 101 4.6 CONCLUSIONS 102 5 KINEMATICS OF
THE CO STAR CLUSTER 104 5.1 INTRODUCTION 105 5.2 OBSERVATIONS AND DATA
REDUCTION 107 5.3 ASTROMETRY 108 5.3.1 THE PROCEDURE 108 5.3.2 GEOMETRIC
DISTORTION 109 5.3.3 IMAGE REGISTRATION AND MOSAICKING 112 5.3.4
POSITIONS AND COORDINATES 114 5.3.5 PROPER MOTIONS 115 5.4 SPECTROSCOPY
117 5.5 RESULTS AND DISCUSSION 119 5.5.1 GLOBAL ROTATION 119 CONTENTS
VJI 5.5.2 PHASE-SPACE DISTRIBUTIONS 123 5.5.3 DISTRIBUTION OF STELLAR 3D
SPEEDS 129 5.5.4 STATISTICAL PARALLAX OF THE GALACTIC CENTER 131 5.5.5
ACCELERATION UPPER LIMITS 135 5.5.6 THE STAR GROUP IRS 13E 137 5.6
CONCLUSIONS 140 6 CONCLUSIONS 142 ACKNOWLEDGEMENTS 146 BIBLIOGRAPHY 147 |
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| spelling | Trippe, Sascha 1978- Verfasser (DE-588)135591104 aut Ten thousand stars and one black hole a study of the galactic center in the near infrared Sascha Trippe Lichtenberg (Odw.) Harland Media [2008] © 2008 XVI, 155 S. graph. Darst. 210 mm x 148 mm txt rdacontent n rdamedia nc rdacarrier Dissertation Universität München 2008 NIR (DE-588)4337336-7 gnd rswk-swf Infrarotastronomie (DE-588)4161689-3 gnd rswk-swf Galaktisches Zentrum (DE-588)1085662543 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Galaktisches Zentrum (DE-588)1085662543 g Infrarotastronomie (DE-588)4161689-3 s NIR (DE-588)4337336-7 s DE-604 text/html http://deposit.dnb.de/cgi-bin/dokserv?id=3104931&prov=M&dok_var=1&dok_ext=htm Inhaltstext HEBIS Datenaustausch Darmstadt application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016486459&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Trippe, Sascha 1978- Ten thousand stars and one black hole a study of the galactic center in the near infrared NIR (DE-588)4337336-7 gnd Infrarotastronomie (DE-588)4161689-3 gnd |
| subject_GND | (DE-588)4337336-7 (DE-588)4161689-3 (DE-588)1085662543 (DE-588)4113937-9 |
| title | Ten thousand stars and one black hole a study of the galactic center in the near infrared |
| title_auth | Ten thousand stars and one black hole a study of the galactic center in the near infrared |
| title_exact_search | Ten thousand stars and one black hole a study of the galactic center in the near infrared |
| title_exact_search_txtP | Ten thousand stars and one black hole a study of the galactic center in the near infrared |
| title_full | Ten thousand stars and one black hole a study of the galactic center in the near infrared Sascha Trippe |
| title_fullStr | Ten thousand stars and one black hole a study of the galactic center in the near infrared Sascha Trippe |
| title_full_unstemmed | Ten thousand stars and one black hole a study of the galactic center in the near infrared Sascha Trippe |
| title_short | Ten thousand stars and one black hole |
| title_sort | ten thousand stars and one black hole a study of the galactic center in the near infrared |
| title_sub | a study of the galactic center in the near infrared |
| topic | NIR (DE-588)4337336-7 gnd Infrarotastronomie (DE-588)4161689-3 gnd |
| topic_facet | NIR Infrarotastronomie Galaktisches Zentrum Hochschulschrift |
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