The black hole at the center of the Milky Way /

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Reviewing the fundamental instrumental techniques and current observational results, this book unveils the mysteries of the physical processes in the central parsec of our Milky Way: the super-massive black hole embedded in a central stellar cluster as well as the gas and dust in the circumnuclear r...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Eckart, Andreas
Otros Autores: Schödel, Rainer, 1971-, Straubmeier, Christian Michael, 1970-
Formato: Electrónico eBook
Idioma:Inglés
Publicado: London : Hackensack, NJ : Imperial College Press ; Distributed by World Scientific Pub. Co., ©2005.
Temas:
Black holes (Astronomy)
Black holes (Astronomy) > Observations.
Trous noirs (Astronomie)
Trous noirs (Astronomie) > Observations.
SCIENCE > Astronomy.
Milky Way.
Voie lactée.
Deep space > Milky Way
Computer network resources.
Observations
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Cover
  • Contents
  • Preface
  • 1. Observational Techniques
  • 1.1 The GC Across the Electromagnetic Spectrum
  • 1.1.1 Radio Wavelengths
  • 1.1.2 Far-Infrared Wavelengths
  • 1.1.3 Near- and Mid-Infrared Wavelengths
  • 1.1.4 Optical Wavelengths
  • 1.1.5 X-Ray Energies
  • 1.1.6 y-Ray Energies
  • 1.2 NIR Imaging Through the Atmosphere
  • 1.3 Speckle Imaging
  • 1.3.1 The Knox-Thompson Method
  • 1.3.2 The Bispectrum Analysis
  • 1.3.3 Seeing Calibration of Fourier Data
  • 1.3.4 The Shift-and-Add Algorithm
  • 1.3.5 Speckle Spectroscopy
  • 1.3.6 Speckle Instrumentation
  • 1.4 Single Telescope Adaptive Optics
  • 1.4.1 Adaptive Optics Imaging
  • 1.4.2 Adaptive Optics Spectroscopy
  • 1.4.3 Adaptive Optics Instrumentation
  • 1.5 Cleaning and Deconvolution
  • 1.5.1 Linear Deconvolution
  • 1.5.2 Lucy-Richardson Deconvolution
  • 1.5.3 Estimating the PSF
  • 1.5.4 Iterative Blind Deconvolution
  • 1.5.5 Comparison of Deconvolution Algorithms
  • 1.6 Future IR Interferometry
  • 1.6.1 VLTI
  • 1.6.2 Keck Interferometer
  • 1.6.3 LBT LINC/NIRVANA
  • 2. Observational Results
  • 2.1 The Discovery of Sagittarius A
  • 2.2 Large-Scale Structures at the Galactic Center
  • 2.3 The Circum Nuclear Disk
  • 2.4 The Mini-Spiral
  • 2.5 Radio Filaments
  • 2.6 Near-lnfrared Images of the Central Stellar Cluster
  • 2.6.1 A Brief History of NIR Imaging
  • 2.6.2 Diffraction Limited Images
  • 2.7 The Radio and lnfrared Positional Reference Frames
  • 2.8 Number Density Counts
  • 2.8.1 Evidence for a Central Stellar Cusp
  • 2.8.2 K-band Luminosity Function
  • 2.9 Polarization of Filaments and Stars
  • 2.9.1 Extended Filaments in the Sgr A Complex
  • 2.9.2 Polarized Emission from Stars
  • 2.10 Stellar Velocities and Orbital Accelerations
  • 2.10.1 Measuring Stellar Proper Motions
  • 2.10.2 Motions in the Outer Cluster
  • 2.10.3 Motions in the Inner Cluster
  • 2.10.4 Accelerations of Stars Near Sgr A
  • 2.10.5 Stellar Orbits
  • 2.11 Spectroscopy
  • 2.11.1 Stellar Populations
  • 2.11.2 The Upper Mass Cut-Off
  • 2.11.3 The Central Arcsecond
  • 2.11.4 Results of Speckle Spectroscopy
  • 2.11.5 Adaptive Optics Spectroscopy of the Central Cusp
  • 2.12 Star Formation at the Galactic Center?
  • 2.12.1 Embedded Objects
  • 2.12.2 IR-Excess Objects
  • 2.13 Sgr AddXMLRootTags.pl Across the Electromagnetic Spectrum
  • 2.13.1 Size and Spectrum of Sgr AddXMLRootTags.pl at Radio Wavelengths
  • 2.13.2 Polarization of Sgr AddXMLRootTags.pl at Radio Wavelengths
  • 2.13.3 Sgr AddXMLRootTags.pl as a Variable X-Ray Source
  • 2.13.4 Sgr AddXMLRootTags.pl as a Variable NIR Source
  • 2.13.5 How Likely are Strong NIR Flares?
  • 2.13.6 First Simultaneous X-Ray/NIR Detection of Sgr AddXMLRootTags.pl
  • 3. Astrophysical Results
  • 3.1 The Stellar Velocity Field
  • 3.2 Scenarios for Star Formation at the Galactic Center
  • 3.2.1 Infall of Stellar Clusters
  • 3.2.2 In Situ Formation from Dense Gas
  • 3.2.3 Formation of Stars in the Mini-Spiral
  • 3.2.4 Capture of Stars by Ejection of Stellar Remnants
  • 3.3 The Central Dark Mass
  • 3.3.1 First Order Estimates
  • 3.3.2 Mass Estimators
  • 3.3.3 The Jeans Method
  • 3.3.4 The Orbit of the Star S2
  • 3.3.5 Orbits of Other Stars Around Sgr AddXMLRootTags.pl
  • 3.3.6 A Lower Limit to the Mass
  • 3.4 Stability of the Enclosed Dark Mass
  • 3.5 Agglomerations of Exotic Particles?
  • 3.6 The Central Stellar Cusp
  • 3.6.1 Spatial Distribution of the Sta.

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