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Theta2 Microscopii
Star in the constellation Microscopium From Wikipedia, the free encyclopedia
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Theta2 Microscopii (θ2 Mic) is a class A0III[3] (white giant) star in the constellation Microscopium. Its apparent magnitude is 5.76[2] and it is approximately 390 light years away based on parallax.[1] It is an Ap star, a chemically peculiar star with unusually strong metallic spectral lines.[9]
The main star is known to be a 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.[10] A more distant companion, C, has a separation around 78.4" and magnitude 10.3.[11]
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