NGC 869

Number of stars per data source

	Reference  255 :  974 stars
	Reference  335 :  848 stars
	Reference  337 :   26 stars

255: Abad C., Garcia L.; (1995) Rev. Mex. Astron. Astrofis. 31, 15; Star positions in the area of the Perseus double cluster obtained photographically and with a CCD; 1995RMxAA..31...15A
335: Slesnick C.L., Hillenbrand L.A., Massey P.; (2002) Astrophys. J. 576, 880; The star formation history and mass function of the double cluster h and chi Persei; 2002ApJ...576..880S
337: Capilla G., Fabregat J.; (2002) Astron. Astrophys. 394, 479; CCD uvby-beta photometry of young open clusters. I. The double cluster h and chi Persei; 2002A&A...394..479C