NGC 7209
Number of stars per data source
Reference 138 : 2 stars
References
- 138
- Tomasella L., Munari U.
- (1998) Astron.Astrophys. 335, 561
- Spectroscopic orbit of the ex-eclipsing binary SS Lacertae in the young open cluster NGC 7209
- 1998A&A...335..561T