Trumpler 7
Number of stars per data source
Reference 67 : 3 stars
References
- 67
- Vogt N., Moffat A.F.J.
- (1971) Astron. Astrophys. Suppl. 7, 133
- Southern open star clusters I. UBV Hbeta photometry of 15 clusters between galactic longitudes 231 and 256
- 1971A&AS....7..133V