NGC 188
Number of stars per data source
Reference 15 : 4 stars
Reference 24 : 10 stars
References
- 15
- Goodenough D.G.
- (1970) Bull. American Astron.Soc. 2, 318
- Six colour photometry of galactic clusters
- 1970BAAS....2..318G
- 24
- McClure R.D.
- (1974) Astrophys. J. 194, 355
- Possible abundance differences among giant stars in NGC 188
- 1974ApJ...194..355M