NGC 2437

Number of stars per data source

	Reference  292 :   24 stars
	Reference  463 :    1 star

292: Stetson P.B.; (1981) Astron. J. 86, 1500; Four-color and Hbeta photometry for four southern open clusters; 1981AJ.....86.1500S
463: Gray R.O., Olsen E.H.; (1991) Astron. Astrophys. Suppl. 87, 541; The calibration of the Stromgren photometric system for A, F and early G supergiants. I. The observational data; 1991A&AS...87..541G