Astronomy and Space
113 Herculis is a binary star system located about 430 light-years (130 parsecs) away in the constellation Hercules. With an apparent magnitude of 4.6, it is faintly visible to the naked eye. This star was first discovered to be a spectroscopic binary in 1900 by W. W. Campbell and W. H. Wright. The two stars orbit with a period of 245.3 days.
3C 120.
HD 75289.
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