Session X03: Recent Results from eROSITA

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eROSITA (extended ROentgen Survey with an Imaging Telescope Array) is the core instrument on the Russian-German Spektrum-Roentgen-Gamma (SRG) mission, successfully launched in July 2019, and undertaking a multi-pass survey of the whole sky in the soft X-rays (0.2-8 keV) energy range. The high sensitivity, large field of view, high spatial resolution and high survey efficiency of eROSITA is bound to revolutionize X-ray astronomy and deliver large legacy samples for many classes of astronomical objects. I will present an overview of the instrument capabilities, the current status of the mission, a few early science results with particular emphasis on the study of Active Galactic Nuclei and supermassive black holes.   

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Galaxy clusters trace the highest peaks in the cosmic density field and offer an independent and powerful probe of the growth of structure and their abundance is strongly dependent on the underlying cosmology. The availability of the new catalogues with 100000 clusters, eROSITA All Sky Survey in the X-ray band will put us on the verge of a breakthrough in precision cosmological measurements. I will present the first results on groups and clusters of galaxies from the eROSITA Final Equatorial Survey (eFEDS) performed during the Performance Verification phase and summarise the plans for the All-Sky Survey.