NGC 2439

Number of stars per data source

	Reference    7 :    3 stars
	Reference   20 :    8 stars

7: Eggen O.J.; (1980) Astrophys. J. 238, 919; VY Carinae, S Normae, and photometric luminosities for bright giants and supergiants of types G and K; 1980ApJ...238..919E
20: Eggen O.J.; (1983) Astron. J. 88, 386; Pseudocepheids. I. R Puppis, HR 4441, HR 4511, and AI CMi; 1983AJ.....88..386E