lecture 11 - university of cambridgepettini/intro cosmology/lecture11_slid… · lecture 11. galaxy...
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Introduction to Cosmology
Lecture 11
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Galaxy Luminosity Functions
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Abell 1689z = 0.18
X-ray (Chandra)+ optical (HST)
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Quasar Intergalactic “Clouds”
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18.8 hours with HIRES (Keck I)
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18.8 hours with HIRES (Keck I)
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The Lyα forest at high spectral resolution
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The Lyα forest at high spectral resolution
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Distribution of gas at z = 3
35 Mpc
R Cen
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35 Mpc
R Cen
Distribution of neutral gas at z = 3