NGC 6231

Number of stars per data source

	Reference   41 :    1 star
	Reference   45 :   43 stars
	Reference  114 :    2 stars
	Reference  164 :    3 stars
	Reference  349 :   40 stars
	Reference  446 :    1 star
	Reference  581 :    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
164: Gronbech B., Olsen E.H.; (1977) Astron. Astrophys. Suppl. 27, 443; Photoelectric Hbeta photometry for bright O to G0 type stars south of declination +10; 1977A&AS...27..443G
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
581: Maitzen H.M., Paunzen E., Vogt N., Weiss W.W.; (2000) Astron. Astrophys. 355, 1003; H beta photometry of southern CP2 stars: is the uvby beta luminosity calibration also valid for peculiar stars ?; 2000A&A...355.1003M