Disambiguation evidence for Cygnus OB2 association via surface form

"Cygnus OB9 association"

Triples (1)

Triples where some other subject referred to this entity as "Cygnus OB9 association".

Cygnus X complex → contains →
"Cygnus OB9 association"
↳ resolves to Cygnus OB2 association
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