Fossil Systems in the 400d Cluster Catalog

A. Voevodkin, K. Borozdin, K. Heitmann +4

We report the discovery of seven new fossil systems in the 400d cluster survey. Our search targets nearby, $z\le 0.2$, and X-ray bright, $L_X\ge 10^{43}$ erg sec${}^{-1}$, clusters of…