NGC 6231

Number of stars per data source

	Reference   78 :    1 star
	Reference   79 :   26 stars
	Reference  105 :    1 star
	Reference  256 :    2 stars
	Reference  298 :   27 stars
	Reference  396 :    3 stars
	Reference  494 :    1 star
	Reference  495 :   11 stars
	Reference  501 :    1 star
	Reference  502 :    1 star
	Reference  520 :   37 stars
	Reference  565 :   16 stars
	Reference  671 :    1 star
	Reference  682 :   17 stars
	Reference 1481 :   29 stars

References

78: Seggewiss S.; (1969) Astrophys. J. 155, L1; An extremely red star in the region of the young open clustert NGC 6231; 1969ApJ...155L...1S
79: Schild R.E., Hiltner W.A., Sanduleak N.; (1969) Astrophys. J. 156, 609; A spectroscopic study of the association Scorpius OB1; 1969ApJ...156..609S
105: Schild R.E., Oke J.B., Searle L.; (1974) Astrophys. J. 188, 71; The energy distribution of the very red star in NGC 6231; 1974ApJ...188...71S
256: Schild R.E., Neugebauer G., Westphal J.A.; (1971) Astron. J. 76, 237; Interstellar absorption and color excess in Sco OB1; 1971AJ.....76..237S
298: Garrison R.F., Schild R.E.; (1979) Astron. J. 84, 1020; The main sequence of NGC 6231; 1979AJ.....84.1020G
396: Heske A., Wendker H.J.; (1985) Astron. Astrophys. 151, 309; Further photometry and spectroscopy in the young cluster region Tr 24 / Sco OB1; 1985A&A...151..309H
494: Dachs J., Kaiser O., Nikolov A., Sherwood W.A.; (1982) Astron. Astrophys. Suppl. 50, 261; UBV-Hbeta photometry of luminous stars between (l=335 and l=6 deg.); 1982A&AS...50..261D
495: Heske A., Wendker H.J.; (1984) Astron. Astrophys. Suppl. 57, 205; UBV photometry of Tr 24 and its relation to Sco OB1; 1984A&AS...57..205H
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
502: Oja T.; (1986) Astron. Astrophys. Suppl. 65, 405; UBV photometry of stars whose positions are accurately known. III.; 1986A&AS...65..405O
520: Perry C.L., Hill G., Younger P.F., Barnes J.V.; (1990) Astron. Astrophys. Suppl. 86, 415; A study of Sco OB1 and NGC 6231. I. New observational data; 1990A&AS...86..415P
565: Bok B.J., Bok P.F., Graham J.A.; (1966) Monthly Notices Roy. Astron. Soc. 131, 247; A photometric study of the I Scorpii association; 1966MNRAS.131..247B
671: Westerlund B.E.; (1959) Publ. Astron. Soc. Pacific 71, 156; Three-color photometry of bright southern supergiants; 1959PASP...71..156W
682: Feinstein A., Ferrer O.E.; (1968) Publ. Astron. Soc. Pacific 80, 410; The open cluster NGC 6231; 1968PASP...80..410F
1481: Seggewiss W.; (1968) Vereoff. Astron. Inst. Univ. Bonn. No. 79; Photometrische Untersuchung des offenen Sternhaufens NGC 6231