Hydrodynamical simulation of the x-ray emitting gas associated with cluster elliptical galaxies:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | Undetermined |
| Veröffentlicht: |
1998
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | München, Techn. Univ., Diss., 1999 |
| Beschreibung: | VIII, 205 S. Ill., graph. Darst. |
Internformat
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| 100 | 1 | |a Toniazzo, Thomas |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Hydrodynamical simulation of the x-ray emitting gas associated with cluster elliptical galaxies |c Thomas Toniazzo |
| 264 | 1 | |c 1998 | |
| 300 | |a VIII, 205 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a München, Techn. Univ., Diss., 1999 | ||
| 650 | 0 | 7 | |a Röntgenstrahlung |0 (DE-588)4129728-3 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Interstellares Gas |0 (DE-588)4162147-5 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Elliptischer Nebel |0 (DE-588)4211737-9 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Hydrodynamisches Modell |0 (DE-588)4333692-9 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Galaxienhaufen |0 (DE-588)4244847-5 |2 gnd |9 rswk-swf |
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| 689 | 0 | 4 | |a Hydrodynamisches Modell |0 (DE-588)4333692-9 |D s |
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| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-009050894 | |
Datensatz im Suchindex
| _version_ | 1812461049893355520 |
|---|---|
| adam_text |
CONTENTS
1 INTRODUCTION 1
1.1 OUTLINE. 1
1.2 ASTRONOMICAL BACKGROUND . 2
1.2.1 ELLIPTICAL GALAXIES . 2
1.2.2 CLUSTERS OF GALAXIES . 4
1.2.3 CORONAL GAS IN CLUSTERS AND IN GALAXIES. 5
1.2.4 COOLING FLOWS. 6
1.2.5 STARS AND SUPERNOVAE IN ELLIPTICAL GALAXIES. 7
THE MASS RETURN FROM THE STARS. 7
SUPERNOVAE. 7
LOW-MASS X-RAY BINARIES. 8
1.3 THE
LX~LB
RELATION FOR ELLIPTICAL GALAXIES . 9
1.4 MODELS AND ISSUES . 11
1.4.1 GAS-DYNAMICAL STRIPPING OF ELLIPTICAL GALAXIES. 12
1.4.2 INHOMOGENEOUS FLOWS, HEAT CONDUCTION AND DROP-OUT. 14
1.4.3 CHEMICAL ENRICHMENT OF THE ICM . 16
1.5 SCOPES AND ASSUMPTIONS OF THE PRESENT WORK. 17
1.6 OVERVIEW OF THE PRESENT WORK . 18
2 METHODS 19
2.1 THE GOVERNING EQUATIONS. 19
2.2 CHEMICAL COMPOSITION AND COOLING.21
2.2.1 CHEMICAL ENRICHMENT.21
2.2.2 COOLING.21
2.2.3 COOLING FUNCTIONS.21
2.2.4 MASS DROP-OUT.23
2.2.5 LATENT HEAT.24
2.3 GALACTIC ENVIRONMENT.24
2.3.1 MASS DISTRIBUTION AND GRAVITATIONAL FIELD.25
2.3.2 INJECTION BY THE STELLAR POPULATION AND BY SUPERNOVAE.28
2.4 GALAXY-CLUSTER ENVIRONMENT.30
2.4.1 GRAVITATIONAL POTENTIAL AND DISTRIBUTION OF THE ICM.30
2.4.2 GALAXY ORBITS.32
2.5 INITIAL ISM DISTRIBUTION .32
2.6 CHOICE OF THE PARAMETERS OF THE RUNS.34
2.7 NUMERICAL METHOD .36
V
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/959567097
V!
CONTENTS
2.7.1 EULERIAN GRID.37
2.7.2 HYDRODYNAMICAL ALGORITHM.38
2.7.3 SPLITTING OF THE EQUATIONS.38
2.7.4 PPM .39
2.8 BOUNDARY CONDITIONS.40
2.9 EVALUATION.41
2.9.1 OUTPUT.41
2.9.2 CALCULATION OF THE MODEL X-RAY EMISSION .43
3 HYDRODYNAMICAL EVOLUTION 45
3.1 TIME SCALES OF THE PROBLEM.45
3.2 THE MODELS.49
3.3 THE TIME-DEPENDENT STRUCTURE OF THE FLOW .55
3.4 INFALL AND SUPERSONIC TEAR-OFF .64
3.5 RAM-PRESSURE EFFECTS IN THE CENTRAL ISM .66
3.6 ORBITAL SLOW-DOWN, GAS ACCUMULATION AND ACCRETION.76
3.7 SUBSONIC FLOW AND DYNAMICS OF THE INTERFACE.83
3.8 MASS-LOSS RATE DURING THE SECOND RADIAL ORBIT OSCILLATION.95
3.9 ISM GAS-MASS CONTENT AND MASS-LOSS.99
3.10 SECULAR EVOLUTION.105
3.11 EFFECTS OF FINITE-RESOLUTION .106
3.11.1 RAM-PRESSURE.106
3.11.2 MASS-LOSS AND ACCRETION.107
3.11.3 EDDY FORMATION.108
4 X-RAY EMISSION 111
4.1 X-RAY APPEARANCE OF GALAXIES UNDERGOING GAS-DYNAMICAL STRIPPING . .
ILL
4.2 TOTAL X-RAY EMISSION OF STRIPPED CLUSTER GALAXIES.116
4.3 X-RAY SURFACE-BRIGHTNESS DISTRIBUTION OF STRIPPED CLUSTER GALAXIES .
. .118
5 GALAXY STRIPPING AND THE ICM 129
5.1 X-RAY STRUCTURES ON THE CLUSTER SCALE .129
5.2 MASS-LOSS FROM YOUNG STELLAR SYSTEMS.131
5.3 DILUTED ISM.135
5.3.1 DISTRIBUTION OF DILUTED ISM .135
5.3.2 MASS-FLUX ONTO THE CLUSTER CENTRE .136
5.3.3 X-RAY EMISSION FROM THE DILUTED ISM.138
6 DISCUSSION AND CONCLUSIONS 141
6.1 HYDRODYNAMICAL EVOLUTION.142
6.1.1 GAS-DYNAMICAL STRIPPING, COOLING, AND ACCRETION.142
6.1.2 ANGULAR MOMENTUM OF THE ISM.144
6.1.3 EFFECTS OF DROP-OUT.145
6.2 ISM MASS-LOSS .145
6.3 LONG-TERM EVOLUTION OF THE ISM MASS CONTENT .147
6.4 X-RAY EMISSION .150
6.4.1 X-RAY LUMINOSITIES .150
CONTENTS
VII
6.4.2 X-RAY TEMPERATURES .152
6.4.3 X-RAY SURFACE-BRIGHTNESS DISTRIBUTION OF CLUSTER ELLIPTICAL GALAX
IES .154
6.4.4 POSSIBLE REASONS FOR THE DISCREPANCY.155
6.5 GALAXY-STRIPPING EFFECTS ON THE ICM.156
6.5.1 X-RAY STRUCTURES ON THE CLUSTER CORE .156
6.5.2 IRON ENRICHMENT.156
6.5.3 DISTRIBUTION OF THE DILUTED ISM.157
6.6 SUMMARY OF THE RESULTS .157
7 OUTLOOK 161
A NUMERICAL TECHNIQUE 169
A.L SPLITTING OF THE EQUATIONS.169
A. 2 PPM . 171
A.2.1 INTERPOLATION, ZONE STEEPENING AND ZONE FLATTENING .172
A.2.2 SHOCK-TUBE-PROBLEM INITIALIZATION.173
A.2.3 RIEMANN SOLVER.176
A.2.4 ARTIFICIAL VISCOSITY AND UPDATING.178
B STELLAR-DYNAMICAL MODELS OF ELLIPTICAL GALAXIES 181
B. L COLLISIONLESS SELF-GRAVITATING SYSTEMS.181
B.2 THE JEANS EQUATIONS AND SIMPLIFIED STELLAR-DYNAMICAL MODELS.183
C PHYSICAL PARAMETERS OF THE CORONAL PLASMA 187
D EMISSION OF X-RAYS FROM CLUSTERS AND GALAXIES 189
D.L OPTICALLY THIN THERMAL EMISSION FROM HOT IONIZED GAS.189
D.1.1 THERMAL RADIATION FROM THE CORONAL PLASMA.189
D.L.2 PLASMA CODES.191
D. 2 OTHER SOURCES OF X-RAYS.191
D.2.1 COMPACT BINARY SYSTEMS.191
D. 2.2 INVERSE COMPTON EMISSION ASSOCIATED TO SYNCHROTRON RADIATION 194
IS
LINEAR FLUID. INSTABILITIES 197
E. L LINEARIZED FLUID EQUATIONS .197
E.2 LOCAL THERMAL INSTABILITY.198
E. 2.1 SPHERICAL PERTURBATIONS.198
E.2.2 NON-SPHERICAL PERTURBATIONS.200
E.3 KELVIN-HELMHOLTZ INSTABILITY.201
E.3.1 LINEAR EIGENVALUE PROBLEM.202
E.3.2 DISPERSION RELATIONS .204 |
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| discipline | Physik |
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| id | DE-604.BV013275881 |
| illustrated | Illustrated |
| indexdate | 2024-10-09T18:12:30Z |
| institution | BVB |
| language | Undetermined |
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| physical | VIII, 205 S. Ill., graph. Darst. |
| publishDate | 1998 |
| publishDateSearch | 1998 |
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| spelling | Toniazzo, Thomas Verfasser aut Hydrodynamical simulation of the x-ray emitting gas associated with cluster elliptical galaxies Thomas Toniazzo 1998 VIII, 205 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Techn. Univ., Diss., 1999 Röntgenstrahlung (DE-588)4129728-3 gnd rswk-swf Interstellares Gas (DE-588)4162147-5 gnd rswk-swf Elliptischer Nebel (DE-588)4211737-9 gnd rswk-swf Hydrodynamisches Modell (DE-588)4333692-9 gnd rswk-swf Galaxienhaufen (DE-588)4244847-5 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Elliptischer Nebel (DE-588)4211737-9 s Galaxienhaufen (DE-588)4244847-5 s Interstellares Gas (DE-588)4162147-5 s Röntgenstrahlung (DE-588)4129728-3 s Hydrodynamisches Modell (DE-588)4333692-9 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009050894&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Toniazzo, Thomas Hydrodynamical simulation of the x-ray emitting gas associated with cluster elliptical galaxies Röntgenstrahlung (DE-588)4129728-3 gnd Interstellares Gas (DE-588)4162147-5 gnd Elliptischer Nebel (DE-588)4211737-9 gnd Hydrodynamisches Modell (DE-588)4333692-9 gnd Galaxienhaufen (DE-588)4244847-5 gnd |
| subject_GND | (DE-588)4129728-3 (DE-588)4162147-5 (DE-588)4211737-9 (DE-588)4333692-9 (DE-588)4244847-5 (DE-588)4113937-9 |
| title | Hydrodynamical simulation of the x-ray emitting gas associated with cluster elliptical galaxies |
| title_auth | Hydrodynamical simulation of the x-ray emitting gas associated with cluster elliptical galaxies |
| title_exact_search | Hydrodynamical simulation of the x-ray emitting gas associated with cluster elliptical galaxies |
| title_full | Hydrodynamical simulation of the x-ray emitting gas associated with cluster elliptical galaxies Thomas Toniazzo |
| title_fullStr | Hydrodynamical simulation of the x-ray emitting gas associated with cluster elliptical galaxies Thomas Toniazzo |
| title_full_unstemmed | Hydrodynamical simulation of the x-ray emitting gas associated with cluster elliptical galaxies Thomas Toniazzo |
| title_short | Hydrodynamical simulation of the x-ray emitting gas associated with cluster elliptical galaxies |
| title_sort | hydrodynamical simulation of the x ray emitting gas associated with cluster elliptical galaxies |
| topic | Röntgenstrahlung (DE-588)4129728-3 gnd Interstellares Gas (DE-588)4162147-5 gnd Elliptischer Nebel (DE-588)4211737-9 gnd Hydrodynamisches Modell (DE-588)4333692-9 gnd Galaxienhaufen (DE-588)4244847-5 gnd |
| topic_facet | Röntgenstrahlung Interstellares Gas Elliptischer Nebel Hydrodynamisches Modell Galaxienhaufen Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009050894&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT toniazzothomas hydrodynamicalsimulationofthexrayemittinggasassociatedwithclusterellipticalgalaxies |