Retrospects and prospects of X-ray cluster surveys
- Data:
- Speaker: Prof. Dr. Alexis Finoguenov
- Affiliation: MPE (Germania)

Figure: the X-ray image of the COSMOS field
I will present an introduction to galaxy cluster surveys using X-ray telescopes, showing how performance of the surveys developed in the recent decades. I will discuss the achievements of the ultra deep surveys and present the plans to conduct the new all-sky survey with eROSITA.