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Introduction to Cosmology
Lecture 13
/(1 + z) =1
�obs
/�0
! W0
= 0.075 AW� = 0.327 A
N(H i) = 1.4⇥ 1013 cm�2
Péroux+ 2003
Cooke+ 2014
N(H i) = 2.2⇥ 1020 cm�2
Noterdaeme+ 2009
Chrighton+ 15
Rudie+ 2013
Becker 2013
Dall’Aglio+ 2008
Calverley+ 2011
Fan+ 2001
Fan+ 2001
QUASARS
Madau & Dickinson 2014
STARS