Disambiguation evidence for Cygnus OB2 association via surface form
"DR21 star-forming region"
Triples (1)
Triples where some other subject referred to this entity
as "DR21 star-forming region".
Cygnus X star-forming region
→
contains
→
"DR21 star-forming region"
ⓘ
↳ resolves to Cygnus OB2 association