NGC 6940

Number of stars per data source

	Reference    1 :    7 stars
	Reference    4 :    9 stars
	Reference   81 :  208 stars
	Reference  128 :    6 stars
	Reference  280 :  216 stars

1: Egret D.; (1986) Private Communication; Coordinates from SIMBAD (mainly SAO)
4: Hoag A.A., Johnson H.L., Iriarte B., Mitchell R.I., Hallam K.L., Sharpless S.; (1961) Publ. Us. Nav. Obs. XVII part VII, 347; Photometry of stars in galactic cluster fields
81: Vasilevskis S., Rach R.A.; (1957) Astron. J. 62, 175; Relative proper motions of stars in the region of the open cluster NGC 6940; 1957AJ.....62..175V
128: Lasker B.M., Russel J.N., Jenkner H., Sturch C.R., McLean B.J., Shara M.M.; (1990) Astron. J. 99, 2019; The HST guide star catalogue, version 1.0; 1990AJ.....99.2019L
280: Stetson P.B.; (2000) Publ. Astron. Soc. Pacific 112, 925; Homogeneous photometry for star clusters and resolved galaxies. II. Photometric standard stars; 2000PASP..112..925S