User:Mira Oubliette/Theta1 Orionis B

Theta1 Orionis B (θ1 Ori B, also known as BM Orionis) is a star in the Trapezium Cluster in the constellation Orion. It is an eclipsing variable star, either a binary of the Agol type, or a quaternary system. Its apparent magnitude has a range from 7.90 to 8.65 with a period of 6.471 days.