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Introduction to Cosmology Lecture 11

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Introduction to Cosmology

Lecture 11

Galaxy Luminosity Functions

Abell 1689z = 0.18

X-ray (Chandra)+ optical (HST)

Page 6: Lecture 11 - University of Cambridgepettini/Intro Cosmology/Lecture11_slid… · Lecture 11. Galaxy Luminosity Functions. Abell 1689 z = 0.18 X-ray (Chandra) + optical (HST) Quasar

Quasar Intergalactic “Clouds”

Page 7: Lecture 11 - University of Cambridgepettini/Intro Cosmology/Lecture11_slid… · Lecture 11. Galaxy Luminosity Functions. Abell 1689 z = 0.18 X-ray (Chandra) + optical (HST) Quasar

18.8 hours with HIRES (Keck I)

Page 8: Lecture 11 - University of Cambridgepettini/Intro Cosmology/Lecture11_slid… · Lecture 11. Galaxy Luminosity Functions. Abell 1689 z = 0.18 X-ray (Chandra) + optical (HST) Quasar

Page 9: Lecture 11 - University of Cambridgepettini/Intro Cosmology/Lecture11_slid… · Lecture 11. Galaxy Luminosity Functions. Abell 1689 z = 0.18 X-ray (Chandra) + optical (HST) Quasar

Page 10: Lecture 11 - University of Cambridgepettini/Intro Cosmology/Lecture11_slid… · Lecture 11. Galaxy Luminosity Functions. Abell 1689 z = 0.18 X-ray (Chandra) + optical (HST) Quasar

Page 11: Lecture 11 - University of Cambridgepettini/Intro Cosmology/Lecture11_slid… · Lecture 11. Galaxy Luminosity Functions. Abell 1689 z = 0.18 X-ray (Chandra) + optical (HST) Quasar

18.8 hours with HIRES (Keck I)

Page 12: Lecture 11 - University of Cambridgepettini/Intro Cosmology/Lecture11_slid… · Lecture 11. Galaxy Luminosity Functions. Abell 1689 z = 0.18 X-ray (Chandra) + optical (HST) Quasar

Page 13: Lecture 11 - University of Cambridgepettini/Intro Cosmology/Lecture11_slid… · Lecture 11. Galaxy Luminosity Functions. Abell 1689 z = 0.18 X-ray (Chandra) + optical (HST) Quasar

The Lyα forest at high spectral resolution

Page 14: Lecture 11 - University of Cambridgepettini/Intro Cosmology/Lecture11_slid… · Lecture 11. Galaxy Luminosity Functions. Abell 1689 z = 0.18 X-ray (Chandra) + optical (HST) Quasar

The Lyα forest at high spectral resolution

Page 15: Lecture 11 - University of Cambridgepettini/Intro Cosmology/Lecture11_slid… · Lecture 11. Galaxy Luminosity Functions. Abell 1689 z = 0.18 X-ray (Chandra) + optical (HST) Quasar

Distribution of gas at z = 3

35 Mpc

R Cen

Page 16: Lecture 11 - University of Cambridgepettini/Intro Cosmology/Lecture11_slid… · Lecture 11. Galaxy Luminosity Functions. Abell 1689 z = 0.18 X-ray (Chandra) + optical (HST) Quasar

35 Mpc

R Cen

Distribution of neutral gas at z = 3

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