Mass and Light distributions in Clusters of Galaxies - Henry A ...

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1.2.3 Weak Gravitational Lensing . . . . . . . . . . . . . . . 18 1.2.3.1 Measuring Galaxy Shapes and Sizes . . . . . 19 1.2.3.2 The KSB Method . . . . . . . . . . . . . . . . 20 1.2.4 Clusters of Galaxies as Gravitational Lenses . . . . . . 21 1.2.4.1 Distortion measurements in Clusters . . . . . 21 1.2.4.2 Systematics of the Methods . . . . . . . . . . 22 1.2.4.2.1 Projection Effects . . . . . . . . . . . 22 1.2.4.2.2 Mass-Sheet Degeneracy . . . . . . . 23 1.2.4.2.3 PSF Effects . . . . . . . . . . . . . . 23 1.2.4.2.4 Weak Lensing Dilution . . . . . . . . 24 1.3 The Structure of the Thesis . . . . . . . . . . . . . . . . . . . 25 2 Weak Lensing Dilution in A1689 27 2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2.2 Subaru imaging reduction and sample selection . . . . . . . . 31 2.3 Distortion analysis of subaru images . . . . . . . . . . . . . . . 34 2.4 Distortion analysis of ACS/HST images . . . . . . . . . . . . . 40 2.5 Photometric redshifts . . . . . . . . . . . . . . . . . . . . . . . 44 2.6 Weak lensing dilution . . . . . . . . . . . . . . . . . . . . . . . 49 2.7 Cluster light and color profiles . . . . . . . . . . . . . . . . . . 51 2.8 Cluster luminosity functions . . . . . . . . . . . . . . . . . . . 53 2.9 M/L profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 2.10 Cluster mass profile . . . . . . . . . . . . . . . . . . . . . . . . 60 2.11 Discussion and conclusions . . . . . . . . . . . . . . . . . . . . 65 Appendix 2.A Cluster galaxy fraction from the lensing dilution effect 67 Appendix 2.B Non-linear effect in the reduced shear estimate . . . 69 II
3 Mass and Light of A1703, A370 & RXJ1347-11 75 3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 3.2 Subaru data reduction . . . . . . . . . . . . . . . . . . . . . . 79 3.3 Sample selection from the color-color diagram . . . . . . . . . 81 3.3.1 Cluster Members . . . . . . . . . . . . . . . . . . . . . 81 3.3.2 Red Background Galaxies . . . . . . . . . . . . . . . . 82 3.3.3 Blue Background and Foreground Galaxies . . . . . . . 84 3.4 Evolutionary color tracks . . . . . . . . . . . . . . . . . . . . . 86 3.5 Depth estimation from SDF/COSMOS . . . . . . . . . . . . . 88 3.6 Weak lensing analysis . . . . . . . . . . . . . . . . . . . . . . . 93 3.7 Weak lensing dilution . . . . . . . . . . . . . . . . . . . . . . . 96 3.8 Cluster light profiles . . . . . . . . . . . . . . . . . . . . . . . 97 3.9 M/L profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 3.9.1 Tidal and Ram-Pressure Stripping . . . . . . . . . . . 103 3.10 Cluster luminosity functions . . . . . . . . . . . . . . . . . . . 106 3.11 Discussion and conclusions . . . . . . . . . . . . . . . . . . . . 109 4 WL Determination of the Distance-Redshift Relation 113 4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 4.2 Subaru data reduction . . . . . . . . . . . . . . . . . . . . . . 116 4.3 Sample selection from the color-color diagram . . . . . . . . . 117 4.4 Weak lensing measurements . . . . . . . . . . . . . . . . . . . 122 4.4.1 Formalism: Relative Distortion Strength . . . . . . . . 123 4.5 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 4.5.1 Weak lensing profiles . . . . . . . . . . . . . . . . . . . 125 4.5.2 COSMOS photometric redshifts . . . . . . . . . . . . . 127 4.5.3 Lensing strength dependence on magnitude . . . . . . . 132 4.5.4 Lensing strength vs. redshift . . . . . . . . . . . . . . . 134 4.6 Constraining cosmological parameters . . . . . . . . . . . . . . 136 4.7 Discussion and conclusions . . . . . . . . . . . . . . . . . . . . 137 III
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Chapter 3 Detailed Cluster Mass and
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3.1 Introduction Stars are not expe
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3.3 Sample selection from the color
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3.5 Depth estimation from SDF/COSMO
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3.6 Weak lensing analysis 3.6 Weak
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3.6 Weak lensing analysis where θ
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3.8 Cluster light profiles 600 A168
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3.9 M/L profiles Broadhurst et al.
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3.9 M/L profiles very moderate decl
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Chapter 4 A Weak Lensing Determinat
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4.1 Introduction Zitrin et al. 2009
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Chapter 5 Discussion 5.1 Summary In
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5.1 Summary excluding the foregroun
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5.3 Future work observations we obt
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References Abadi, M. G., Moore, B.,
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REFERENCES Broadhurst, T., Umetsu,
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REFERENCES Gaidos, E. J. 1997, AJ,
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REFERENCES Kaiser, N. 1995, ApJ, 43
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REFERENCES Natarajan, P., Loeb, A.,
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REFERENCES Schrabback, T. et al. 20
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כפי שמתואר בפרק השל
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עבודה זו נעשתה בהנח
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