Trumpler 24

Number of stars per data source

	Reference   81 :    3 stars
	Reference  275 :    1 star

81: Schild R.E., Hiltner W.A., Sanduleak N.; (1969) Astrophys. J. 156, 609; A spectroscopic study of the association Scorpius OB1; 1969ApJ...156..609S
275: Walborn N.R.; (1972) Astron. J. 77, 312; Spectral classification of OB stars in both hemisphere and the absolute-magnitude calibration; 1972AJ.....77..312W