NGC 6231

Number of stars per data source

	Reference   41 :    1 star
	Reference   45 :   42 stars
	Reference  114 :    2 stars
	Reference  137 :    3 stars
	Reference  206 :    1 star
	Reference  349 :   49 stars
	Reference  446 :    1 star
	Reference  577 :    1 star

References

41: Crawford D.L., Barnes J.V., Golson J.C.; (1971) Astron. J. 76, 621; Four-color and Hbeta photometry for bright B-type stars in the southern hemisphere; 1971AJ.....76..621C
45: Crawford D.L., Barnes J.V., Hill G., Perry C.L.; (1971) Astron. J. 76, 1048; Four-color and Hbeta photometry for open clusters VII. NGC 6231 and the Sco I association; 1971AJ.....76.1048C
114: Morrison N.D.; (1975) Astrophys. J. 200,113; Photometry of O-type stars,interpreted with reference to model atmospheres; 1975ApJ...200..113M
137: Gronbech B., Olsen E.H.; (1976) Astron. Astrophys. Suppl. 25, 213; Four colour uvby photometry for bright O to G0 type stars south of declination +10; 1976A&AS...25..213G
206: Sterken C.; (1977) Astron. Astrophys. 57, 361; Light variations of extreme galactic B-and A supergiants; 1977A&A....57..361S
349: Shobbrook R.R.; (1983) Mon. Not. R. Astr. Soc. 205, 1229; uvby beta photometry of southern clusters-III. The lower main sequence of NGC 6231; 1983MNRAS.205.1229S
446: 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
577: Kaltcheva N.T., Olsen E.H.; (1999) Astron. Astrophys. 352, 600; Stromgren and Hbeta photometry of O and B type stars in star-forming regions. I. Canis Major - Puppis - Vela; 1999A&A...352..600K