IC 2581

Number of stars per data source

	Reference   32 :    1 star
	Reference   58 :    2 stars

32: Balona L. A.; (1975) Mem. Roy. Astron. Soc. 78, 51; Equivalent widths and rotational velocities of southern early-type stars; 1975MmRAS..78...51B
58: Slettebak A.; (1985) Astrophys. J. Suppl. 59, 769; Be stars in open clusters; 1985ApJS...59..769S