Trumpler 24

Number of stars per data source

	Reference   45 :    2 stars
	Reference  470 :    1 star

45: Crawford D.L., Barnes J.V., Hill G., Perry C.L.; (1971) Astron. J. 76, 1048; Four-color and Hbeta photometry for open clusters VII. NGC 6231 and the Sco I association; 1971AJ.....76.1048C
470: Knude J.; (1992) Astron. Astrophys. Suppl. 92, 841; uvby Beta observations of 528 type B stars with V between the 8th and 9th magnitude; 1992A&AS...92..841K