2 papers
astro-ph.CO2024
A Constrained NILC method for CMB B mode observations
Zirui Zhang, Yang Liu, Si-Yu Li +2
The Internal Linear Combination (ILC) method is commonly employed to extract the cosmic microwave background (CMB) signal from multi-frequency observation maps. However, the perfor…
astro-ph.CO2024
Optimal map-making with singularities
Zirui Zhang, Yiwen Wu, Yang Liu +3
In this work, we investigate the optimal map-making technique for the linear system while carefully taking into account singularities that may come from either the covaria…