Magnitude 4.6 | Companion b Persei C Period 1.9 years Apparent magnitude (V) 4.6 | |
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Comet 103p hartley 2 passes by b persei
b Persei (also known as HD 26961) is a spectroscopic triple star in the constellation Perseus. Its apparent magnitude is 4.60, and it is about 320 light years away.
In addition to the primary, an A-type giant, there is a smaller and cooler companion in a 1.53 day orbit, probably an F-class star around absolute magnitude 3.0, and a more distant companion in a 702 day orbit.
References
B Persei Wikipedia(Text) CC BY-SA