Planck intermediate results XL. The Sunyaev-Zeldovich signal from the Virgo cluster
Planck intermediate results XL. The Sunyaev-Zeldovich signal from the Virgo cluster
The Virgo cluster is the largest Sunyaev-Zeldovich (SZ) source in the sky, both in terms of angular size and total integrated flux. Planck ’s wide angular scale and frequency coverage, together with its high sensitivity, enable a detailed study of this big object through the SZ effect. Virgo is well …