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70 Ophiuchi is a binary star system 16.6 light years away from Earth. It is in the constellation Ophiuchus.
The primary star is an orange main sequence dwarf of spectral type K1, and the secondary star is an orange main sequence dwarf of spectral type K5.
70 Ophuichi in fiction
In Frank Herbert's Dune series, Sikun is the third planet from 70 Ophuichi.
References
- W.D. Heintz, "The Binary Star 70 Ophiuchi Revisited", Journal of the Royal Astronomical Society of Canada, Vol. 82, No. 3, 1988.
External links
Binary stars | Flamsteed objects | Ophiuchus constellation | Orange dwarfs
"70 Ophiuchi"