NGC 5138

Number of stars per data source

	Reference  435 :   15 stars
	Reference  874 :    2 stars
	Reference 1024 :   50 stars

435: Lindoff U.; (1972) Astron. Astrophys. Suppl. 7, 231; An investigation of four southern open clusters; 1972A&AS....7..231L
874: Loden L.O.; (1967) Ark. Astron. 4, 375; Photometric standard sequences in the Crux region; 1967ArA.....4..375L
1024: Claria J.J.; (1980) Astrophys. Space Sci. 72, 347; Photoelectric UBV and DDO photometry of NGC 5138; 1980Ap&SS..72..347C