Ionized Neutral Reionized Update: HI 21cm cosmic reionization experiments Chris Carilli (NRAO) MPIA July 2008 • Last phase of cosmic evolution to be explored • Bench-mark in cosmic structure formation indicating the first luminous structures • GP + CMBpol => z ~ 7 to 11
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Ionized Neutral Reionized Update: HI 21cm cosmic reionization experiments Chris Carilli (NRAO) MPIA July 2008 Last phase of cosmic evolution to be explored.
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Ionized
Neutral
Reionized
Update: HI 21cm cosmic reionization experimentsChris Carilli (NRAO) MPIA July 2008
• Last phase of cosmic evolution to be explored
• Bench-mark in cosmic structure formation indicating the first luminous structures
• GP + CMBpol => z ~ 7 to 11
HI 21cm Tomography of IGM: freq ~ 100 to 200 MHz
z=12
9
7.6
)1()10
1)((008.0 2/1 δτ +
+= HI
S
CMB fz
TT
• Large scale structure: f(HI) , Temp (K, CMB, Spin)