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Individual sheet: Cyg OB2-335
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Spectral type(s): O7V + O9V
Multiplicity:
Confirmed binary system
Period(s): a few days
Orbital solution: (yes)
Ref: Kiminki et al.(2008)
Quality flag (Q): I
Comments:
The short period is incompatible with the detection of synchrotron radio emission produced by the colliding-winds. There may be a third object orbiting with a longer period.