Researchers from the Yunnan Observatories of the Chinese Academy of Sciences have discovered unusual variations in the consecutive Transiting Exoplanet Survey Satellite (TESS) light curves of the supersoft X-ray source V Sge. This is the first evidence to reveal that there may be uneven circumstellar matter surrounding the supersoft X-ray source.
Click here for original story, Existence of uneven circumstellar matter found based on TESS data
Source: Phys.org