NGC 6940

Number of stars per data source

	Reference   30 :  110 stars
	Reference   96 :    2 stars
	Reference  293 :    1 star
	Reference  578 :   20 stars
	Reference 1125 :    1 star
	Reference 1341 :   19 stars
	Reference 1425 :   18 stars

References

30: Walker M.F.; (1958) Astrophys. J. 128, 562; Photoelectric observations of the galactic cluster NGC 6940; 1958ApJ...128..562W
96: Eggen O.J.; (1973) Astrophys. J. 180, 857; The classification of intrinsic variables. III. Calibration of the luminosities of small amplitude red variables in the old disk population; 1973ApJ...180..857E
293: Mendoza E.E., Gomez V.T., Gonzalezs.; (1978) Astron. J. 83, 606; UBVRI photometry of 225 Am stars; 1978AJ.....83..606M
578: Jennens P.A., Helfer H.L.; (1975) Monthly Notices Roy. Astron. Soc. 172, 681; Photometric metal abundances for twenty clusters; 1975MNRAS.172..681J
1125: Gotz W., Luthardt R.; (1985) Inf. Bull. Var. Stars 2664; The behaviour of FG Vul in 1984; 1985IBVS.2664....0G
1341: Hoag A.A., Johnson H.L., Iriarte B., Mitchell R.I., Hallam K.L., Sharpless S.; (1961) Publ. US. Nav. Obs. 17, 343; Photometry of stars in galactic cluster fields; 1961PUSNO..17..343H
1425: Larsson-Leander G.; (1960) Stockholm Ann. Obs. 20 No. 9; A study of the galactic cluster NGC 6940