NGC 6604

Number of stars per data source

	Reference   62 :    1 star
	Reference  173 :    3 stars
	Reference  277 :    3 stars
	Reference  291 :   17 stars
	Reference  461 :   11 stars
	Reference  501 :    2 stars
	Reference 1124 :    2 stars
	Reference 2017 :   23 stars

References

62: Johnson H.L.; (1965) Astrophys. J. 141, 923; Interstellar extinction in the Galaxy; 1965ApJ...141..923J
173: Hiltner W.A.; (1956) Astrophys. J. Suppl. 2, 389; Photometric polarization and spectrographic observations of O and B Stars; 1956ApJS....2..389H
277: Drilling J.S.; (1975) Astron. J. 80, 128; UBV photometry of OB+ stars north of 1950.0 declination -15 degree; 1975AJ.....80..128D
291: Forbes D., Dupuy D.L.; (1978) Astron. J. 83, 266; UBV photometry of the open clusters NGC 6604 and NGC 6704; 1978AJ.....83..266F
461: Moffat A.F.J., Vogt N.; (1975) Astron. Astrophys. Suppl. 20, 155; Southern open star clusters. VI. UBV Hbeta photometry of 18 clusters From Centaurus to Sagittarius; 1975A&AS...20..155M
501: Kozok J.K.; (1985) Astron. Astrophys. Suppl. 61, 387; Photometric observations of emission b-stars in the southern Milky Way; 1985A&AS...61..387K
1124: Forbes D.; (1984) Inf. Bull. Var. Stars 2605; Additional photometry of the Of-type variable HD 167971; 1984IBVS.2605....0F
2017: Forbes D.; (2000) Astron. J. 120, 2594; The Serpens OB2 association and its thermal Chimney; 2000AJ....120.2594F