${\theta }^1$ Ori C as a medieval bully: a possible very recent ejection in the Trapezium

J. Maíz Apellániz, M. Pantaleoni González, R. H. Barbá

We use Gaia EDR3 astrometry to propose that a dynamical interaction between the multiple system ${\theta }^1$ Ori C and ${\theta }^1$ Ori F ejected the latter as a walkaway star ~1100 years ago (w…