Berkeley 59

Number of stars per data source

	Reference   38 :    1 star
	Reference  202 :    1 star
	Reference  591 :    1 star
	Reference 1029 :    6 stars

38: Hiltner W.A., Johnson H.L.; (1956) Astrophys. J. 124, 367; The law of interstellar reddening and absorption; 1956ApJ...124..367H
202: Morgan W.W., Code A.D., Whitford A.E.; (1955) Astrophys. J. Suppl. 2, 41; Studies in galactic structure. II. Luminosity classification for 1270 blue giant stars; 1955ApJS....2...41M
591: Garmany C.D., Vacca W.D.; (1991) Publ. Astron. Soc. Pacific 103, 347; New spectral classifications for O-type stars in the northern hemisphere; 1991PASP..103..347G
1029: Kharchenko N.V., Piskunov A.E., Röser S., Schilbach E., Scholz R.-D.; (2005) Astron. Astrophys. 438, 1163; Astrophysical parameters of galactic open clusters; 2005A&A...438.1163K