NGC 6913

Number of stars per data source

	Reference   83 :    1 star
	Reference  206 :    1 star
	Reference  255 :    2 stars
	Reference  867 :    1 star
	Reference  955 :    3 stars

83: Hiltner W.A., Garrison R.F., Schild R.E.; (1969) Astrophys. J. 157, 313; MK spectral types for bright southern OB stars; 1969ApJ...157..313H
206: Hiltner W.A.; (1956) Astrophys. J. Suppl. 2, 389; Photometric, polarization and spectrographic observations of O and B stars; 1956ApJS....2..389H
255: Tifft W.G.; (1958) Astron. J. 63, 127; A system of three-color photometry with application to galactic structure in Cygnus; 1958AJ.....63..127T
867: Barbier M.; (1963) Publ. Obs. Haute-Provence 6 no 36; La mesure des vitesses radiales au prisme objectif. XV. 7eme liste de vitesses radiales determinees au prisme objectif a vision directe
955: Morgan W.W., Harris III D.L.; (1956) Vistas Astron. 2,1124; The galactic cluster M29 (NGC 6913); 1956VA......2.1124W