NGC 6530

Number of stars per data source

	Reference    1 :   11 stars
	Reference    5 :  188 stars
	Reference   16 :   21 stars
	Reference   33 :    4 stars
	Reference   98 :    7 stars
	Reference  277 :  782 stars

References

 1
Egret D.
(1986) Private Communication
Coordinates from SIMBAD (mainly SAO)
 5
van Altena W.F., Jones B.F.
(1972) Astron. Astrophys. 29, 425
Membership in the extremely young open cluster NGC 6530 (M8)
1972A&A....29..425V
 16
Stephenson C.B., Sanduleak N.
(1971) Publ. Warner Swasey Obs. 1 no 1
Luminous stars in the southern Milky Way
 33
Egret D.
(1986) Private communication
Coordinates from SIMBAD (other than SAO)
 98
Tucholke H.-J.
(1989) Astron. Astrophys. Suppl. 78, 187
Positions of southern open cluster stars proposed for the Hipparcos mission
1989A&AS...78..187B
 277
Sung H., Chun M-Y., Bessell M.S.
(2000) Astron. J. 120, 333
UBVRI & H alpha photometry of the young open cluster NGC 6530
2000AJ....120..333S