03662nam a2200313 a 4500001001200000003000800012006001900020007001500039008004100054010001700095020001500112040002100127035002100148050002700169082001700196100002300213245010300236260004400339300002300383504006400406505247500470533015202945650002603097650003203123655002903155700002103184710001703205856012603222ebr10201285CaPaEBRm        u        cr cn|||||||||020509s2002    njua    sb    001 0 eng d  z  2002280654  z9810248520  aCaPaEBRcCaPaEBR  a(OCoLC)61446355914aQB857.5.G7bM65 2002eb04a523.1/122211 aMollerach, Silvia.10aGravitational lensing and microlensingh[electronic resource] /cSilvia Mollerach, Esteban Roulet.  aNew Jersey :bWorld Scientific,cc2002.  axi, 191 p. :bill.  aIncludes bibliographical references (p. 175-187) and index.8 aMachine generated contents note: Preface vii -- Chapter 1 Historical introduction 1 -- Chapter 2 The deflection of light 7 -- 2.1 Basics of General Relativity7 -- 2.1.1 Introduction7 -- 2.1.2 Tensors in curved spacetimes 9 -- 2.1.3 Motion of particles 13 -- 2.1.4 The spacetime curvature15 -- 2.1.5 The Einstein equation17 -- 2.1.6 The Schwarzschild metric 18 -- 2.2 The bending of light21 -- 2.2.1 Point-like deflector21 -- 2.2.2 Time delay24 -- 2.2.3 Extended mass distribution25 -- Chapter 3 Gravitational lensing theory 29 -- 3.1 The lens equation29 -- 3.1.1 Point-like lenses 29 -- 3.1.2 Extended lenses33 -- 3.2 The surface brightness conservation 34 -- 3.3 Amplification35 -- 3.4 Caustics and critical lines41 -- 3.5 Fermat's principle42 -- 3.6 Galaxy lens models45 -- 3.6.1 Circularly symmetric lenses45 -- 3.6.2 Non-circularly symmetric lenses50 -- 3.7 The folded sky51 -- 3.8 Folds and cusps58 -- 3.8.1 Magnification near a fold60 -- 3.8.2 Magnification near a cusp62 -- 3.8.3 The binary lens65 -- Chapter 4 Macrolensing results 69 -- 4.1 Lensing of quasars70 -- 4.2 Time delays and Ho74 -- 4.3 Statistical lensing and cosmological parameters78 -- 4.4 Strong lensing by clusters81 -- 4.5 Weak lensing in clusters84 -- 4.6 Cosmic shear87 -- 4.7 Quasar-galaxy correlations94 -- 4.8 Lensing of the Cosmic Microwave Background94 -- Chapter 5 Microlensing I: Basics 99 -- 5.1 The Galaxy in brief100 -- 5.1.1 The thin and thick disks100 -- 5.1.2 Galactic spheroid and bulge101 -- 5.1.3 The dark halo103 -- 5.2 Basic microlensing theoretical tools105 -- 5.2.1 The light curve105 -- 5.2.2 Optical depth107 -- 5.2.3 Event duration distribution108 -- 5.3 Microlensing of unresolved sources114 -- 5.4 Observational searches of microlensing117 -- 5.4.1 Searches towards the Magellanic Clouds118 -- 5.4.2 Searches towards the bulge122 -- Chapter 6 Microlensing II: Beyond the simplest light curve 125 -- 6.1 Binary lenses126 -- 6.1.1 The complex lens equation126 -- 6.1.2 Microlensing by binaries131 -- 6.1.3 Planetary searches136 -- 6.2 Further determinations of the lensing parameters139 -- 6.2.1 Proper motion141 -- 6.2.2 Limb darkening147 -- 6.2.3 Parallax measurements148 -- 6.3 Astrometric microlensing152 -- 6.4 Quasar microlensing156 -- Appendix A Cosmology tools 161 -- A.1 The Friedmann-Robertson-Walker Universe161 -- A.2 The distance scales163 -- A.3 Large scale structures166 -- A.4 Cosmic Microwave Background anisotropies170 -- Bibliography 175 -- Index 189.  aElectronic reproduction.bPalo Alto, Calif. :cebrary,d2013.nAvailable via World Wide Web.nAccess may be limited to ebrary affiliated libraries. 0aGravitational lenses. 0aMicrolensing (Astrophysics) 7aElectronic books.2local1 aRoulet, Esteban.2 aebrary, Inc.40uhttp://site.ebrary.com/lib/rucke/Doc?id=10201285zAn electronic book accessible through the World Wide Web; click to view