NGC 188

Number of stars per data source

	Reference   14 :  285 stars
	Reference  184 :   16 stars
	Reference  240 : 1519 stars
	Reference  351 : 7999 stars
	Reference  404 : 4013 stars
	Reference  455 :  527 stars

References

14: Caputo F., Castellani V., Chieffi A., Collados M., Martinez Roger C., Paez E.; (1990) Astron. J. 99, 261; CCD photometry of stars in the old open cluster NGC 188; 1990AJ.....99..261C
184: Kamel L.; (1998) Astron. Nachr. 319, 183; BVRI photometry of possible standard stars in NGC 188; 1998AN....319..183K
240: Sarajedini A., von Hippel T., Kozhurina-Platais V., Demarque P.; (1999) Astron. J. 118, 2894; WIYN open cluster study. II. UBVRI CCD photometry of the open cluster NGC 188; 1999AJ....118.2894S
351: Platais I., Platais V.K., Mathieu R.D., Girard T.M., van Altena W.F.; (2003) Astron. J. 126, 2922; WIYN open cluster study. XVII. Astrometry and membership to V = 21 in NGC 188; 2003AJ....126.2922P
404: Stetson P.B., McClure R.D.; (2004) Publ. Astron. Soc. Pacific 116, 1012; A star catalog for the open cluster NGC 188; 2004PASP..116.1012S
455: Krusberg Z.A.C., Chaboyer B.; (2006) Astron. J. 131, 1565; UBVI CCD Photometry of the Old Open Cluster Berkeley 17; 2006AJ....131.1565K