NGC 6611
Number of stars per data source
Reference 30 : 12 stars
Reference 57 : 84 stars
References
- 30
- Winter D., Koulis C., The P.S., van den Ancker M.E., Perez M.R., Bibo E.A.
- (1997) Astron. Astrophys. Suppl. 121, 223
- Pre-main sequence candidates in the very young open cluster NGC 6611
- 1997A&AS..121..223W
- 57
- The P.S., de Winter D., Feinstein A., Westerlund B.E.
- (1989) Astron. Astrophys. Suppl. 82, 319
- The extinction law, the distance and the HR diagram of the extremely young open cluster NGC 6611
- 1989A&AS...82..319T