NGC 884

Number of stars per data source

	Reference    4 :    1 star
	Reference   33 :    6 stars
	Reference   70 :   18 stars
	Reference   80 :    8 stars
	Reference  206 :    1 star
	Reference  268 :    4 stars
	Reference  870 :    1 star

References

4: Bidelman W.P.; (1947) Astrophys. J. 105, 492; The M-type supergiant members of the double cluster in Perseus; 1947ApJ...105..492B
33: Johnson H.L., Morgan W.W.; (1955) Astrophys. J. 122, 429; Photometric and spectroscopic observations of the double cluster in Perseus; 1955ApJ...122..429J
70: Schild R.E.; (1965) Astrophys. J. 142, 979; Spectral classification in h and chi Persei; 1965ApJ...142..979S
80: Slettebak A.; (1968) Astrophys. J. 154, 933; Stellar rotation and Be stars in the h and chi Persei association; 1968ApJ...154..933S
206: Hiltner W.A.; (1956) Astrophys. J. Suppl. 2, 389; Photometric, polarization and spectrographic observations of O and B stars; 1956ApJS....2..389H
268: Humphreys R.M.; (1970) Astron. J. 75, 602; The space distribution and kinematics of supergiants; 1970AJ.....75..602H
870: Fehrenbach C., Duflot M., Boulon J., Rebeirot E.; (1966) Publ. Obs. Haute-Provence 8 no 25; La mesure des vitesses radiales au prisme objectif. XIX. Liste de 893 vitesses radiales determinees au prisme objectif a vision directe