NGC 6940

Number of stars per data source

	Reference  280 :  390 stars
	Reference  326 :   44 stars
	Reference  370 :    2 stars
	Reference  469 :   17 stars

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
326: Hog E., Fabricius C., Makarov V.V., Urban S., Corbin T., Wycoff G., Bastian U., Schwekendiek P., Wicenec A.; (2000) Astron. Astrophys. 357, L27; The Tycho-2 Catalogue; 2000A&A...355L..27H
370: Zacharias N., Urban S.E., Zacharias M.I., Wycoff G.L., Hall D.M., Monet D.G., Rafferty T.J.; (2004) Astron. J. 127, 3043; The Second U.S. Naval Observatory CCD Astrograph Catalog (UCAC2); 2004AJ....127.3042Z
469: Hood B., Collier Cameron A., Kane S.R., Bramich D.M., Horne K., Street R.A., Bond I.A., Penny A.J., Tsapras Y., Quirrenbach A., Safizadeh N., Mitchell D., Cooke J.; (2005) Mon. Not. R. Astron. Soc. 360, 791; A dearth of planetary transits in the direction of NGC 6940; 2005MNRAS.360..791H