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SkyMapper Protected Science Project

Optical counterparts of X-ray source population in ROSAT and eROSITA

Christian Wolf (RSAA), Mara Salvato (MPE), CAASTRO and the German eROSITA team

We investigate the optical counterpart identification of X-ray sources found in the existing ROSAT catalogue and the forthcoming eROSITA survey, including an Xray-optical classification and photo-z estimation. We want to characterise the optical properties of the X-ray source populations and the properties of the SkyMapper-based identification. This project is part of a collaboration between CAASTRO and the German eROSITA team. Dr Salvato is already set up for X-ray/optical cross-matching and experienced from the Northern Sky.