NGC 2533

Number of stars per data source

	Reference  221 :    1 star
	Reference  425 :    1 star
	Reference  999 :    1 star

221: Sowell J.R; (1987) Astrophys. J. Suppl. 64, 241; Yellow evolved stars in open clusters; 1987ApJS...64..241S
425: FitzGerald M.P., Luiken M., Maitzen H.M., Moffat A.F.J.; (1979) Astron. Astrophys. Suppl. 37, 345; Analysis of the results of MK classification of 176 stars in 37 southern open clusters; 1979A&AS...37..345F
999: Houk N., Cowley A.P., Smith-Moore M.; University of Michigan (Ann Arbor) Vol 1 (1975), Vol 2 (1978), Vol 3 (1982), Vol 4 (1988), Vol 5 (1999); The University of Michigan Catalogue of two-dimensional Spectral Types for the HD stars; 1975mctd.book.....H