NU Ori: a hierarchical triple system with a strongly magnetic B-type star
NU Ori: a hierarchical triple system with a strongly magnetic B-type star
NU Ori is a massive spectroscopic and visual binary in the Orion Nebula Cluster, with 4 components: Aa, Ab, B, and C. The B0.5 primary (Aa) is one of the most massive B-type stars reported to host a magnetic field. We report the detection of a spectroscopic contribution from the …