Speaker
Jyothis Chandran
(IFCA, Universida de Cantabria)
Description
An all-sky map of the thermal Sunyaev-Zeldovich (SZ) effect has been publicly released by the Planck Collaboration in 2015, using a Needlet Internal Linear Combination (NILC) component separation method on Planck PR2 data. The quality of the Planck data has improved since then. The Planck PR4 data release provides full-sky maps in LFI and HFI frequency bands with improved systematics and sensitivity. I will present a new all-sky map of the thermal SZ Compton y-parameter obtained by implementing NILC on the latest Planck PR4 data and discuss improvements in terms of noise and residual foreground contamination.
Author
Jyothis Chandran
(IFCA, Universida de Cantabria)
Co-authors
Dr
Mathieu Remazeilles
(CSIC - Institute of Physics of Cantabria (IFCA))
Dr
Rita Belen Barreiro
(CSIC - Institute of Physics of Cantabria (IFCA))
