Autore	Schneider Peter
Edizione	[1st ed. 1992.]
Pubbl/distr/stampa	New York, NY : , : Springer New York : , : Imprint : Springer, , 1992
Descrizione fisica	1 online resource (XIV, 560 p.)
Disciplina	530.1
Collana	Astronomy and Astrophysics Library
Soggetto topico	Gravitation Observations, Astronomical Astronomy—Observations Astrophysics Physics Geophysics Classical and Quantum Gravitation, Relativity Theory Astronomy, Observations and Techniques Astrophysics and Astroparticles Mathematical Methods in Physics Numerical and Computational Physics, Simulation Geophysics/Geodesy
ISBN	1-4612-2756-9
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	1. Introduction -- 1.1 Historical remarks -- 1.2 Outline of the book -- 1.3 Remarks about notation -- 2. Basic facts and the observational situation -- 2.1 The Schwarzschild lens -- 2.2 The general lens -- 2.3 The magnification factor -- 2.4 Observing gravitational lens systems -- 2.5 Known gravitational lens systems -- 3. Optics in curved spacetime -- 3.1 The vacuum Maxwell equations -- 3.2 Locally approximately plane waves -- 3.3 Fermat’s principle -- 3.4 Geometry of ray bundles -- 3.5 Distances based on light rays. Caustics -- 3.6 Luminosity, flux and intensity -- 4. Derivation of the lens equation -- 4.1 Einstein’s gravitational field equation -- 4.2 Approximate metrics of isolated, slowly moving, non-compact matter distributions -- 4.3 Light deflection by quasistationary, isolated mass distributions -- 4.4 Summary of Friedmann-Lemaître cosmological models -- 4.5 Light propagation and redshift-distance relations in homogeneous and inhomogeneous model universes -- 4.6 The lens mapping in cosmology -- 4.7 Wave optics in lens theory -- 5. Properties of the lens mapping -- 5.1 Basic equations of the lens theory -- 5.2 Magnification and critical curves -- 5.3 Time delay and Fermat’s principle -- 5.4 Two general theorems about gravitational lensing -- 5.5 The topography of time delay (Fermat) surfaces -- 6. Lensing near critical points -- 6.1 The lens mapping near ordinary images -- 6.2 Stable singularities of lens mappings -- 6.3 Stable singularities of one-parameter families of lens mappings; metamorphoses -- 6.4 Magnification of extended sources near folds -- 7. Wave optics in gravitational lensing -- 7.1 Preliminaries; magnification of ordinary images -- 7.2 Magnification near isolated caustic points -- 7.3 Magnification near fold catastrophes -- 8. Simple lens models -- 8.1 Axially symmetric lenses -- 8.2 Lenses with perturbed symmetry (Quadrupole lenses) -- 8.3 The two point-mass lens -- 8.4 Lenses with elliptical symmetry -- 8.5 Marginal lenses -- 8.6 Generic properties of “elliptical lenses” -- 9. Multiple light deflection -- 9.1 The multiple lens-plane theory -- 9.2 Time delay and Fermat’s principle -- 9.3 The generalized quadrupole lens -- 10. Numerical methods -- 10.1 Roots of one-dimensional equations -- 10.2 Images of extended sources -- 10.3 Interactive methods for model fitting -- 10.4 Grid search methods -- 10.5 Transport of images -- 10.6 Ray shooting -- 10.7 Constructing lens and source models from resolved images -- 11. Statistical gravitational lensing: General considerations -- 11.1 Cross-sections -- 11.2 The random star field -- 11.3 Probabilities in a clumpy universe -- 11.4 Light propagation in inhomogeneous universes -- 11.5 Maximum probabilities -- 12. Statistical gravitational lensing: Applications -- 12.1 Amplification bias and the luminosity function of QSOs -- 12.2 Statistics of multiply imaged sources -- 12.3 QSO-galaxy associations -- 12.4 Microlensing: Astrophysical discussion -- 12.5 The amplification bias: Detailed discussion -- 12.6 Distortion of images -- 12.7 Lensing of supernovae -- 12.8 Further applications of statistical lensing -- 13. Gravitational lenses as astrophysical tools -- 13.1 Estimation of model parameters -- 13.2 Arcs in clusters of galaxies -- 13.3 Additional applications -- 13.4 Miscellaneous topics -- References -- Index of Individual Objects.
Record Nr.	UNINA-9910789219703321

Edizione	[1st ed. 1989.]
Pubbl/distr/stampa	Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 1989
Descrizione fisica	1 online resource (XIV, 240 p. 41 illus.)
Disciplina	530.1
Collana	Lecture Notes in Physics
Soggetto topico	Gravitation Observations, Astronomical Astronomy—Observations Astrophysics Geophysics Classical and Quantum Gravitation, Relativity Theory Astronomy, Observations and Techniques Astrophysics and Astroparticles Geophysics/Geodesy
ISBN	3-540-46142-6
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Recollections of the career of Bernard Burke -- 0957+561: The unpublished story -- History of gravitational lenses and the phenomena they produce -- The versatile elliptical gravitational lens -- Gravitational lens optics -- Gravitational lensing of extended sources -- Moving gravitational lenses -- Explaining Burke and Shapiro to Newton -- Recent optical observations of gravitational lenses -- VLBI observations of gravitational lenses -- VLBI phase reference mapping techniques and the search for the third image of 0957+561 -- First VLBI hybrid maps of 0957+561 A and B -- VLA measurement of the time delay in the gravitationally lensed double quasar 0957+561 -- Optical determinations of the time delay in 0957+561 -- Resolution of galaxy and third image of gravitational lens 2016+112 -- Arcs in clusters of galaxies as gravitational lens images -- A gravitational telescope in Abell 370: Indeed it works! -- Observations of the blue arcs in Abell 963 -- Is the giant luminous arc due to lensing by a cosmic string? -- Results of the VLA gravitational lens survey -- Optical searches for gravitational lenses -- An optical imaging survey for gravitational lenses and the discovery of a new lens candidate -- Statistics of gravitational lenses: Galaxies and dark matter -- Highly colinear radio sources and constraints on gravitational lens space density -- Gravitational microlensing -- Cosmic density estimate from microlensing -- Micro-lensing model for QSO 2237+0305 -- A viable explanation for quasar-galaxy associations? -- Reception photographs.
Record Nr.	UNINA-9910257434503321

Edizione	[1st ed. 1990.]
Pubbl/distr/stampa	Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 1990
Descrizione fisica	1 online resource (XV, 318 p.)
Disciplina	530.1
Collana	Lecture Notes in Physics
Soggetto topico	Gravitation Observations, Astronomical Astronomy—Observations Astrophysics Classical and Quantum Gravitation, Relativity Theory Astronomy, Observations and Techniques Astrophysics and Astroparticles
ISBN	3-540-47087-5
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Pictures of gravitational lensing -- Determination of cosmological parameters by the gravitational lens effect -- Cosmic gravitational diagnostics -- Gravitational redshifts and lensing by large scale structures -- What the present observed lens systems tell about the lensing agent -- Gravitational lens models with elliptical geometry -- Amplification near a gravitational lens macro-caustic -- Statistics of lensing on extended sources -- Observational aspects of gravitational lensing -- Quasar-galaxy associations -- A search for gravitational lensing among highly luminous quasars : observational strategy and survey -- A search for gravitational lensing among highly luminous quasars: new results -- Gravitational magnification effects on distant 3CR galaxies -- 0957+561: The time delay revisited -- The time delay of Q0957-+-561 A,B from 10 years of optical monitoring -- Application of image processing techniques in a search for gravitational lenses and quasar pairs -- A search for gravitational lenses and quasar pairs and the discovery of a new multiple QSO system -- Evolution and gravitational lensing in quasar absorption line systems -- Preliminary analysis of high-resolution spectra for UM 673 A & B -- Bidimensional spectrography of the “clover leaf” H1413+117 at sub-arcsec. Spatial resolution -- The MIT search program for gravitational lenses -- First epoch VLBI observations of the gravitational lens system 2016+112 -- X-ray observations of gravitational lenses -- Consequences of gravitational lensing for gamma radiation from 3C273 -- Searching for cosmic strings (A la recherche des cordes perdues) -- Microlensing -- Microlensing calculations with a hierarchical tree code: New results -- Statistical investigations of the amplification near gravitational lens caustics -- The deconvolution of the quasar structure from the lightcurve of a high amplification event with the regularisation method -- The Hamburg quasar monitoring program at Calar Alto: Analyses of micro-lensing variability -- Photometric monitoring of 2237+0305 -- Spectrophotometry of 0957+561 and the micro-lensing effect -- IR imaging and the light curve of 2237+030 -- Clusters of galaxies: A new observable class of gravitational lenses -- Lensing the background population of galaxies -- The redshift distribution of faint galaxies — Implications for gravitational lensing -- The theory and practice of radio ring lenses -- Lens and source models for ARCS in cluster Abell 370 and Cl 2244 -- Modeling the giant arcs in A370 and A2390 -- New results from the gravitational telescope -- Probing rich galaxy clusters with mini-arcs -- Gravitationally lensed arcs as galaxy redshift indicators -- Spatial correlation in gravitationally lensed images -- Optical-infrared studies of arcs in Abell 370 -- Spectroscopy of arcs in Cl2244-02 and A370 (A5) -- First results on the spectroscopy of the arc-like object in Abell 2390 -- Deep photometry of C1.2244-02 in U colour with an electronographic camera -- Concluding remarks -- Gravitational lens candidates.
Record Nr.	UNINA-9910257413303321

Edizione	[1st ed. 2002.]
Pubbl/distr/stampa	Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2002
Descrizione fisica	1 online resource (XI, 191 p. 40 illus., 17 illus. in color.)
Disciplina	523.1/12
Collana	Lecture Notes in Physics
Soggetto topico	Observations, Astronomical Astronomy—Observations Astrophysics Cosmology Gravitation Astronomy, Observations and Techniques Astrophysics and Astroparticles Classical and Quantum Gravitation, Relativity Theory
ISBN	3-540-45857-3
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Quasar Lensing -- Weak Lensing -- Gravitational Optics Studies of Dark Matter Halos -- Gravitational Lensing at Millimeter Wavelengths.
Record Nr.	UNINA-9910139812703321