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| Re: Rigel (Beta Orionis) Is Double Star: Which Is Two Set Of Double Stars?
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Olga/">Olga on November 18, 1999 01:00:15 UTC |
: As you know that Rigel(Beta Orionis) is a double star. It is a Blue Supergiant and a Blue Giant Star. Both star has spectrum of B8I. I have heard that both stars are double star by itself. Is this true? Rigel is a system of stars. There is Rigel B, which revolves around Rigel, and there is Rigel C, which revolves around Rigel B. The distance between Rigel and Rigel B is about 23 light days. Rigel C is very close to Rigel B (relatively, of course!). A small telescope will detect Rigel B.
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