IC 4651

Number of stars per data source

	Reference    7 :  135 stars
	Reference  232 :  386 stars
	Reference  252 : 15822 stars

7: Anthony-Twarog B.J., Twarog B.A.; (1987) Astron. J. 94, 1222; uvby Hbeta photoelectric and CCD photometry of IC 4651; 1987AJ.....94.1222A
232: Anthony-Twarog B.J., Twarog B.A.; (2000) Astron. J. 119, 2282; CCD uvby Hbeta photometry in clusters. I. The open cluster standard, IC 4651; 2000AJ....119.2282A
252: Meibom S.; (2000) Astron. Astrophys. 361, 929; New color-magnitude diagram for the open cluster IC 4651. Deep Stromgren uvby CCD photometry in a large field; 2000A&A...361..929M