Observations towards the Sgr C region near the center of our galaxy:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | German |
| Veröffentlicht: |
1996
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | IV, 119 S. graph. Darst. |
Internformat
MARC
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| 100 | 1 | |a Staguhn, Johannes |d 1962- |e Verfasser |0 (DE-588)115769366 |4 aut | |
| 245 | 1 | 0 | |a Observations towards the Sgr C region near the center of our galaxy |c vorgelegt von Johannes Staguhn |
| 264 | 1 | |c 1996 | |
| 300 | |a IV, 119 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |a Köln, Univ., Diss., 1996 | ||
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Datensatz im Suchindex
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| adam_text |
CONTENTS
1
ZUSAMMENFASSUNG
1
1.1
ASTRONOMISCHE
BEOBACHTUNGEN
.
1
1.2
INSTRUMENTELLE
ARBEITEN
.
3
I
INTRODUCTION
AND
THEORY
5
2
INTRODUCTION
6
3
METHODS
FOR
THE
DERIVATION
OF
PHYSICAL
PARAMETERS
FROM
ASTROPHYSICAL
OBSERVATIONS
9
3.1
SOME
BASIC
TOOLS
OF
MM
AND
SUB-MM
LINE
EMISSION
.
9
3.2
EXCITATION
OF
LINE
EMISSION
.
10
3.3
RADIATIVE
TRANSFER
.
11
3.4
APPROXIMATIONS
FOR
THE
SOLUTION
OF
THE
RADIATIVE
TRANSFER
EQUATION
.
13
3.4.1
STANDARD
ANALYSIS
.
13
3.4.2
ESCAPE
PROBABILITY
.
13
3.5
EXCITATION
MECHANISMS
FOR
EMISSION
IN
THE
CM
WAVE
BAND
.
14
3.5.1
THERMAL
BREMSSTRAHLUNG
.
14
3.5.2
NONTHERMAL
SYNCHROTRON
RADIATION
.
14
3.5.3
RECOMBINATION
LINES
.
14
3.6
IR
EXCITATION
OF
THE
ASYMMETRIC
TOP
MOLECULE
HNCO
.
15
3.7
CARBON
IN
THE
ATOMIC
STATE
AND
AS
MOLECULE
IN
FORM
OF
CO
.
15
3.7.1
NEUTRAL
CARBON
.
16
3.7.2
CO,
A
TRACER
FOR
THE
OVERALL
DISTRIBUTION
OF
MOLECULAR
CLOUDS
IN
THE
GALACTIC
CENTER
.
16
3.8
REFERENCES
.
17
4
THE
GALACTIC
CENTER
18
4.1
OVERVIEW
.
18
4.2
THE
STELLAR
COMPONENT
.
18
4.3
HIGH
ENERGY
PHENOMENA
.
19
4.4
RADIO
CM
WAVE
OBSERVATIONS
.
19
4.5
MOLECULAR
LINE
EMISSION
.
22
4.6
THE
GALACTIC
CENTER
MAGNETIC
FIELD
.
25
4.7
REFERENCES
.
26
II
ASTROPHYSICAL
OBSERVATIONS
28
5
THE
INTERACTION
OF
THE
GALACTIC
CENTER
FILAMENT
SYSTEM
G359.54+0.18
WITH
ITS
AMBIENT
MEDIUM
29
6
A
PRELIMINARY
COMPARISON
OF
THE
AST/RO
-
AND
KOSMA
SUB-MM
AND
MM
LINE
OBSERVATIONS
OF
G359.54+0.18
50
6.1
MOTIVATION
.
50
6.2
OBSERVATIONS
.
51
6.2.1
AST/RO
OBSERVATIONS
.
51
6.2.2
KOSMA
OBSERVATIONS
.
52
6.2.3
VLA
OBSERVATIONS
.
52
6.3
RESULTS
.
52
6.3.1
CHANNEL
MAPS
SHOWING
LINE
EMISSION
WITH
VJ
SR
=
-160
TO
-70
KMS
'
1
(THE
TOTAL
VELOCITY
RANGE)
.
53
6.3.2
CHANNEL
MAPS
SHOWING
LINE
EMISSION
WITH
V^
SR
=
-100
TO
-70
KMS
-1
(CLOUD
I)
.
56
6.3.3
CHANNEL
MAPS
SHOWING
LINE
EMISSION
WITH
VJ
GR
=
-110
TO
-100
KM
S
-1
(THE
VELOCITY
OF
THE
H79A
RECOMBINATION
LINE)
.
59
6.3.4
CHANNEL
MAPS
SHOWING
LINE
EMISSION
WITH
V|
GR
=
-160
TO
-120
KMS"
1
(CLOUD
II)
.
62
6.4
DISCUSSION
AND
OUTLOOK
.
64
6.5
REFERENCES
.
66
7
KOSMA
12
CO(2-1)
LARGE
SCALE
OBSERVATIONS
OF
THE
SGR
C
REGION
67
7.1
MOTIVATION
.
67
7.2
OBSERVATIONS
.
68
7.3
RESULTS
.
68
7.3.1
THE
SGR
C
REGION
.
68
7.3.2
SGR
C
.
75
7.4
CONCLUSION
AND
OUTLOOK
.
77
7.5
REFERENCES
.
78
8
SUB-MM
[CI]
AND
CO
ABSORPTION
OBSERVATIONS
OF
COLD,
LOW
DENSITY
TRANSLUCENT
CLOUD
MATERIAL
TOWARDS
THE
GALACTIC
CENTER
BROAD
LINE
EMISSION
79
III
INSTRUMENTS
92
9
AOS
DESIGN
STUDIES
AND
OBSERVATIONS
WITH
THE
AST/RO
HIGH
RESOLU
TION
AOS
93
9.1
MOTIVATION
.
93
9.2
INTRODUCTION
TO
ACOUSTO
OPTICS
.
94
9.3
METHODS
FOR
THE
REDUCTION
OF
NOISE
CAUSED
BY
SPECKLE
FLUCTUATIONS
.
96
9.4
THE
AST/RO
HIGH
RESOLUTION
SPECTROMETER
.
100
9.5
OBSERVATIONS
OF
TELLURIC
CO
WITH
THE
AST/RO
HIGH
RESOLUTION
SPEC
TROMETER
.
103
9.5.1
LINE
SHAPES
.
103
9.5.2
OBSERVATIONS
AND
FIT
RESULTS
.
104
9.5.3
DISCUSSION
AND
OUTLOOK
.107
9.6
REFERENCES
.
108
10
DESIGN
OF
AN
IMPEDANCE
MATCHING
STRUCTURE
FOR
THE
HF
MODULATION
OF
A
NIR
LASER
DIODE
110
10.1
MOTIVATION
.
110
10.2
INTRODUCTION
TO
HF
CIRCUIT
DESIGN
.112
10.3
DESIGN
OF
THE
MICROSTRIP
LINE
.
113
10.4
RESULTS
OF
THE
LASER
DIODE
HF
MODULATION
.117
10.5
CONCLUSION
AND
OUTLOOK
.
119
10.6
REFERENCES
.
119 |
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| geographic | Galaktisches Zentrum (DE-588)1085662543 gnd |
| geographic_facet | Galaktisches Zentrum |
| id | DE-604.BV011665400 |
| illustrated | Illustrated |
| indexdate | 2024-08-18T00:39:38Z |
| institution | BVB |
| language | German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-007864505 |
| oclc_num | 52059378 |
| open_access_boolean | |
| owner | DE-355 DE-BY-UBR DE-83 DE-11 DE-188 |
| owner_facet | DE-355 DE-BY-UBR DE-83 DE-11 DE-188 |
| physical | IV, 119 S. graph. Darst. |
| publishDate | 1996 |
| publishDateSearch | 1996 |
| publishDateSort | 1996 |
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| spelling | Staguhn, Johannes 1962- Verfasser (DE-588)115769366 aut Observations towards the Sgr C region near the center of our galaxy vorgelegt von Johannes Staguhn 1996 IV, 119 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Köln, Univ., Diss., 1996 Molekülwolke (DE-588)4114619-0 gnd rswk-swf Radioastronomie (DE-588)4048200-5 gnd rswk-swf Photoakustisches Spektrometer (DE-588)4273790-4 gnd rswk-swf Galaktisches Zentrum (DE-588)1085662543 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Galaktisches Zentrum (DE-588)1085662543 g Molekülwolke (DE-588)4114619-0 s Radioastronomie (DE-588)4048200-5 s Photoakustisches Spektrometer (DE-588)4273790-4 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007864505&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Staguhn, Johannes 1962- Observations towards the Sgr C region near the center of our galaxy Molekülwolke (DE-588)4114619-0 gnd Radioastronomie (DE-588)4048200-5 gnd Photoakustisches Spektrometer (DE-588)4273790-4 gnd |
| subject_GND | (DE-588)4114619-0 (DE-588)4048200-5 (DE-588)4273790-4 (DE-588)1085662543 (DE-588)4113937-9 |
| title | Observations towards the Sgr C region near the center of our galaxy |
| title_auth | Observations towards the Sgr C region near the center of our galaxy |
| title_exact_search | Observations towards the Sgr C region near the center of our galaxy |
| title_full | Observations towards the Sgr C region near the center of our galaxy vorgelegt von Johannes Staguhn |
| title_fullStr | Observations towards the Sgr C region near the center of our galaxy vorgelegt von Johannes Staguhn |
| title_full_unstemmed | Observations towards the Sgr C region near the center of our galaxy vorgelegt von Johannes Staguhn |
| title_short | Observations towards the Sgr C region near the center of our galaxy |
| title_sort | observations towards the sgr c region near the center of our galaxy |
| topic | Molekülwolke (DE-588)4114619-0 gnd Radioastronomie (DE-588)4048200-5 gnd Photoakustisches Spektrometer (DE-588)4273790-4 gnd |
| topic_facet | Molekülwolke Radioastronomie Photoakustisches Spektrometer Galaktisches Zentrum Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007864505&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT staguhnjohannes observationstowardsthesgrcregionnearthecenterofourgalaxy |