A faint companion around CrA-9: protoplanet or obscured binary?

In this video, I present the discovery of a faint companion in the transition disc of CrA-9, an accreting M0.75 dwarf with an estimated age of 1-2 Myr. We used both VLT/NACO and VLT/SPHERE and found the faint point source at ~0.7'' separation from CrA-9 (~108 au projected separation). Our ...