Cross-correlation of DES Y3 lensing and ACT/$Planck$ thermal Sunyaev Zel'dovich Effect I: Measurements, systematics tests, and feedback model constraints

M. Gatti, S. Pandey, E. Baxter +126

We present a tomographic measurement of the cross-correlation between thermal Sunyaev-Zeldovich (tSZ) maps from $Planck$ and the Atacama Cosmology Telescope (ACT) and weak ga…