TY  - GEN

T1  - Constraints on Massive Star Formation: Cygnus OB2 was always an Association

T2  - arXiv

PY  - 2013/11/18

AU  - Wright NJ

AU  - Parker RJ

AU  - Goodwin SP

AU  - Drake JJ

ED  - 

DO  - DOI: 10.48550/arxiv.1311.4537

Y2  - 2025/11/04

ER  -