NGC 6940

Number of stars per data source

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


Stetson P.B.
(2000) Publ. Astron. Soc. Pacific 112, 925
Homogeneous photometry for star clusters and resolved galaxies. II. Photometric standard stars
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
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)
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