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