Melotte 227

Number of stars per data source

	Reference    9 :   24 stars
	Reference  241 :    1 star
	Reference  345 :    5 stars
	Reference  504 :    1 star
	Reference  513 :    5 stars

9: Epstein I.; (1968) Astron. J. 73, 556; Four-color photoelectric photometry of two high latitude clusters Blanco 1 and Melotte 227; 1968AJ.....73..556E
241: Kurtz D.W.; (1979) Mon. Not. R. Astron. Soc. 189, 1; uvby beta photometry of stars in the Michigan spectral catalogue - I. the Delta Del stars; 1979MNRAS.189....1K
345: Olsen E.H.; (1983) Astron. Astrophys. Suppl. 54, 55; Four-colour ubvy and Hbeta photometry of A5 to G0 stars brighter than 8.3m; 1983A&AS...54...55O
504: Olsen E.H.; (1993) Astron. Astrophys. Suppl. 102, 89; Stromgren four-colour uvby photometry of G5-type HD stars brighter than mv = 8.6; 1993A&AS..102...89O
513: Olsen E.H.; (1994) Astron. Astrophys. Suppl. 106, 257; Stromgren photometry of F-and G-type stars brighter than V=9.6. I. uvby photometry; 1994A&AS..106..257O