NGC 6067

Number of stars per data source

	Reference  221 :    5 stars
	Reference  472 :   24 stars
	Reference  999 :    1 star

221: Sowell J.R; (1987) Astrophys. J. Suppl. 64, 241; Yellow evolved stars in open clusters; 1987ApJS...64..241S
472: Thackeray A.D., Wesselink A.J., Harding G.A.; (1962) Mon. Not. R. Astr. Soc. 124, 445; The cluster NGC 6067; 1962MNRAS.124..445T
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