NGC 2168
Number of stars per data source
Reference 307 : 1 star
Reference 345 : 1 star
Reference 361 : 1 star
References
- 307
- Westin T.N.G.
- (1982) Astron. Astrophys. Suppl. 49, 561
- Four-color and Hbeta photometry for O-A0 type stars in three regions near the galactic equator
- 1982A&AS...49..561W
- 345
- Olsen E.H.
- (1983) Astron. Astrophys. Suppl. 54, 55
- Four-colour ubvy and Hbeta photometry of A5 to G0 stars brighter than 8.3m
- 1983A&AS...54...55O
- 361
- Schmidt E.G.
- (1984) Astrophys. J. Suppl. 55, 455
- Yellow giants in young clusters. I. Photometric observations
- 1984ApJS...55..455S