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James Trapp
super member
Reged: 07/21/06
Posts: 156
Loc: Los Angeles, CA
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Has it been confirmed that what has been regarded as "Zeta Orionis C" is actually an optical double?
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Celestron 102mm WV f/5 w/ upgraded finder, regular and unremarkable SD, and Paragon HD-F2
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RLTYS
Post Laureate
Reged: 12/18/04
Posts: 4267
Loc: New York (Long Island)
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James
According to Burnhams Celestial Handbook for Zeta Ori. "A third component, which is probably not a true physical member of the system, is a 10th magnitude object, 57.6" distant."
Hope this helps.
Rich (RLTYS)
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10" F4.8 Refl.
4" F5 Refr. (Genesis)
3" F4 Celestron FirstScope
50mm F12 Refr. (Tasco #6TE-5)
12x63 and 10x50 Binoculars.
"I want to do more then just look."
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James Trapp
super member
Reged: 07/21/06
Posts: 156
Loc: Los Angeles, CA
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Yeah, my impression from what's on the Internet is that it's probably not really a part of the system, but it seems as though there's still nothing "conclusive".
I'm putting together a little database for my double splitting at low/medium power, so I guess I'll be putting an asterisk next to Zeta Orionis for now. 
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Celestron 102mm WV f/5 w/ upgraded finder, regular and unremarkable SD, and Paragon HD-F2
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