ESA and Vast signed a memorandum of understanding (MoU) June 6 during the ILA Berlin air show, agreeing to study collaboration on the commercial space stations that Vast plans to develop, starting with the Haven-1 station Vast plans to launch in the second half of next year....
…using data from the radial velocity (RV) detection method. This study holds the potential to help astronomers develop more efficient methods in detecting Earth-like exoplanets, which are traditionally difficult to identify within RV data due to intense stellar activity from the host star.
The article doesn’t provide much background on this company, but this website I found has some more details: en.wikipedia.org/wiki/The_Exploration_Company
I’m not sure how much astronaut training usually costs, so I don’t know if this is a good deal or not. Seems a bit strange that there is no flight plan at this point, though.