Theta2 Microscopii
Theta Microscopii (θ Mic) is a class A0III (white giant) star in the constellation Microscopium. Its apparent magnitude is 5.76 and it is approximately 390 light years away based on parallax. It is an Ap star, a chemically peculiar star with unusually strong metallic spectral lines. The main star is reported as an astrometric binary, with two components A (6.24 mag) and B (6.88 mag) orbiting with a semimajor axis of 0.836" and eccentricity 0.201, with a period 464.66 years. A more distant companion, C, has a separation around 78.4" and magnitude 10.3.