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Full Description
Cosmology has not been the subject matter of a Saas-Fee Advanced Course since 1978. That occasion was the memorable course entitled Observational Cosmologyy with lecturers J.E. Gunn, M.S. Longair, and M.J. Rees. A new course on cosmology seemed overdue, and we subsequently planned and or ganized, with the endorsement of the Swiss Society of Astrophysics and As tronomy, the present, 23"^^ Saas-Fee Advanced Course. Probing (drilling) the Universe to greatest depths, in terms of diffuse radiation and discrete objects, with all consequences for our understanding of cosmic evolution, was meant to be the unifying aspect of this course. Hence the title The Deep Universe. We are very happy to have won such competent and brilliant scientists as lecturers. Malcolm Longair - Saas-Fee lecturer for the second time! - lectured on cosmological background radiation ("The Physics of Background Radia tion"); Richard Kron on observations of extremely distant galaxies ("Evo lution in the Galaxy Population"); while the Grand Master of Cosmology, Allan Sandage, provided the fundaments of it all, also in a historical sense ("Practical Cosmology: Inventing the Past"). The course took place from 29 March to 3 April, 1993, in Les Diablerets, with around 90 participants. The format was as usual, every lecturer giving 9 or 10 lectures of 45 minutes.
Contents
Evolution in the Galaxy Population.- Foundations of Galaxy Evolution Models.- Evolutionary Synthesis Models.- Basic Statistics of Galaxies.- Computing Models for Faint-Galaxy Samples.- Distant Galaxy Observations in the Real World.- Galaxy Profiles at High Redshift.- Reconciling Counts with the Redshift Distribution.- The Butcher-Oemler Effect — A Case Study.- Deep-Universe Programs for the Future.- to the Standard Model.- The Physics of Background Radiation.- Observations of the Extragalactic Background Radiation.- The Robertson-Walker Metric.- World Models.- Number Counts and the Background Radiation.- The Origin of the X-ray and Gamma-ray Backgrounds.- A Brief Thermal History of the Universe.- The Origin of the Large-Scale Structure of the Universe.- Dark Matter and Galaxy Formation.- Fluctuations in the Cosmic Microwave Background Radiation.- The Intergalactic Gas.- Galaxy Formation and the Background Radiation.- The First Test: The Count—Magnitude Relation: Theory and Practice I (The Early Phase 1920-1938).- The Count—Magnitude Relation: Theory and Practice II (The Modern Attempts).- The Second Test: Angular Size = f(z,q0).- The Third Test: The Redshift—Distance Relation Based on the m(z, qo) Hubble Diagram.- Is the Expansion Real?.- The Fourth Test: Timing (Age of the Galaxy).- Timing Test Continued.- The Hubble Constant from Type Ia Supernovae.- Observational Selection Bias.
