IC 4756

Number of stars per data source

	Reference    3 :    1 star
	Reference   48 :    1 star
	Reference   63 :   13 stars
	Reference  102 :    1 star

3: McClure R.D.; (1970) Astron. J. 75, 41 (table IV); A photometric investigation of strong-cyanogen stars; 1970AJ.....75...41M
48: Clark J.P.A., McClure R.; (1979) Publ. Astron. Soc. Pacific 91, 507; A photoelectric measurement of magnesium for late-type stars; 1979PASP...91..507C
63: Smith G.H.; (1983) Publ. Astron. Soc. Pacific 95, 296; DDO photometry of the open cluster IC 4756; 1983PASP...95..296S
102: Eggen O.J.; (1994) Astron. J. 107, 2184; Photometry of F-K type bright giants and supergiants. III. The luminosity, reddening, and heavy element abundance of GK stars; 1994AJ....107.2184E