NGC 884

Number of stars per data source

	Reference    4 :    1 star
	Reference   33 :   12 stars
	Reference   70 :   18 stars
	Reference   80 :   12 stars
	Reference   88 :    1 star
	Reference   98 :    1 star
	Reference  128 :   64 stars
	Reference  206 :    2 stars
	Reference  211 :    1 star
	Reference  214 :    1 star
	Reference  254 :    1 star
	Reference  268 :    4 stars
	Reference  275 :    1 star
	Reference  427 :    2 stars
	Reference  807 :    1 star
	Reference  870 :    3 stars

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
88: Conti P.S., Alschuler W.R.; (1971) Astrophys. J. 170, 325; Spectroscopic studies of O-type stars. I. Classification and absolute magnitudes; 1971ApJ...170..325C
98: Conti P.S., Leep E.M.; (1974) Astrophys. J. 193, 113; Spectroscopic observations of O-type stars. V. The hydrogen lines and lambda 4686 He II; 1974ApJ...193..113C
128: Slesnick C.L., Hillenbrand L.A., Massey P.; (2002) Astrophys. J. 576, 880; The star formation history and mass function of the double cluster h and chi Persei; 2002ApJ...576..880S
206: Hiltner W.A.; (1956) Astrophys. J. Suppl. 2, 389; Photometric, polarization and spectrographic observations of O and B stars; 1956ApJS....2..389H
211: Walborn N.R.; (1971) Astrophys. J. Suppl. 23, 257; Some spectroscopic characteristics of the OB stars: An investigation of the space distribution of certain OB stars and the reference frame of the classification; 1971ApJS...23..257W
214: Keenan P.C., Pitts R.E.; (1980) Astrophys. J. Suppl. 42, 541; Revised MK spectral types for G, K, and M stars; 1980ApJS...42..541K
254: Eggen O.J.; (1957) Astron. J. 62, 45; Distribution of the nearer bright stars in the color-luminosity array; 1957AJ.....62...45E
268: Humphreys R.M.; (1970) Astron. J. 75, 602; The space distribution and kinematics of supergiants; 1970AJ.....75..602H
275: Walborn N.R.; (1972) Astron. J. 77, 312; Spectral classification of OB stars in both hemisphere and the absolute-magnitude calibration; 1972AJ.....77..312W
427: Jensen K.S.; (1981) Astron. Astrophys. Suppl. 45, 455; Spectral classification in the MK system of 167 northern HD stars; 1981A&AS...45..455J
807: Perraud H.; (1961) J. Obs. 44, 247; Liste et classification d'etoiles M,S,C trouvees dans divers champs pris aux prismes objectifs a vision directe; 1961JO.....44..247P
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