The primordial environment of super massive black holes: large scale galaxy overdensities around $z\sim 6$ QSOs with LBT

L. Morselli, M. Mignoli, R. Gilli +8

We investigated the presence of galaxy overdensities around four $z\sim 6$ QSOs, namely SDSS J1030+0524 (z = 6.28), SDSS J1148+5251 (z = 6.41), SDSS J1048+4637 (z = 6.20) and SDSS J…