Markarian 50

Number of stars per data source

	Reference  173 :    1 star
	Reference  334 :   20 stars
	Reference  510 :    4 stars
	Reference 1359 :    1 star
	Reference 1507 :    1 star

173: Hiltner W.A.; (1956) Astrophys. J. Suppl. 2, 389; Photometric polarization and spectrographic observations of O and B Stars; 1956ApJS....2..389H
334: Turner D.G., Moffat A.F.J., Lamontagne R., Maitzen H.M.; (1983) Astron. J. 88, 1199; The WN4.5 component of HD 219460 in the open cluster Markarian 50; 1983AJ.....88.1199T
510: Wramdemark S.; (1981) Astron. Astrophys. Suppl. 43, 103; A study of early-type stars in a Perseus arm area; 1981A&AS...43..103W
1507: Grubissich C.; (1965) Z. Astrophys. 60, 256; Dreifarben-Photometrie von zwei offenen Sternhaufen nahe NGC 7510; 1965ZA.....60..256G