- #1
astrolollo
- 24
- 2
Hi everyone
Given the definition of ##C_{l}##, ##C_{l}=\frac{1}{2l+1} \sum a_{l,m} Y_{l,m}##, I was wondering how it is possible to measure the ##C_{l}##s in practice. How does one compute this quantity, having a map of the temperature anisotropies of the CMB?
Given the definition of ##C_{l}##, ##C_{l}=\frac{1}{2l+1} \sum a_{l,m} Y_{l,m}##, I was wondering how it is possible to measure the ##C_{l}##s in practice. How does one compute this quantity, having a map of the temperature anisotropies of the CMB?