LEADER 05137nam 2200577 a 450 001 9910458429503321 005 20200520144314.0 010 $a981-277-799-7 035 $a(CKB)1000000000398724 035 $a(StDuBDS)AH24684777 035 $a(SSID)ssj0000165171 035 $a(PQKBManifestationID)11180850 035 $a(PQKBTitleCode)TC0000165171 035 $a(PQKBWorkID)10141975 035 $a(PQKB)10134378 035 $a(MiAaPQ)EBC1681587 035 $a(WSP)00004890 035 $a(Au-PeEL)EBL1681587 035 $a(CaPaEBR)ebr10201285 035 $a(CaONFJC)MIL505430 035 $a(OCoLC)879025504 035 $a(EXLCZ)991000000000398724 100 $a20020509d2002 uy 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt 182 $cc 183 $acr 200 10$aGravitational lensing and microlensing$b[electronic resource] /$fSilvia Mollerach, Esteban Roulet 210 $aNew Jersey $cWorld Scientific$dc2002 215 $a1 online resource (xi, 191 p. )$cill 300 $aBibliographic Level Mode of Issuance: Monograph 311 $a981-02-4852-0 320 $aIncludes bibliographical references (p. 175-187) and index. 327 $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. 330 8 $aAn exposition of gravitational lensing phenomena. It presents the status of gravitational lensing and microlensing, covering the cosmological applications of the observed lensing by galaxies, clusters and the large scale structures, as well as the microlensing searches in the local group.$bA comprehensive and self-contained exposition of gravitational lensing phenomena. It presents the status of gravitational lensing and microlensing, covering the cosmological applications of the observed lensing by galaxies, clusters and the large scale structures, as well as the microlensing searches in the local group and its applications to unveil the nature of the galactic dark matter, the search for planetary objects and the distribution of faint stars in our galaxy.;The text is pitched at the level of the graduate student interested in the issues of astrophysics and cosmology, and should also be useful to specialist researchers as well. 606 $aGravitational lenses 606 $aMicrolensing (Astrophysics) 608 $aElectronic books. 615 0$aGravitational lenses. 615 0$aMicrolensing (Astrophysics) 676 $a523.1/12 700 $aMollerach$b Silvia$049789 701 $aRoulet$b Esteban$049790 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910458429503321 996 $aGravitational lensing and microlensing$92198670 997 $aUNINA