NGC 1893

Number of stars per data source

	Reference   12 :    2 stars
	Reference   19 :    1 star
	Reference   64 :    5 stars
	Reference  173 :    4 stars
	Reference  268 :   55 stars
	Reference  815 :    4 stars
	Reference 1112 :   15 stars
	Reference 1341 :   33 stars

References

12: Johnson H.L., Morgan W.W.; (1955) Astrophys. J. 122, 142; Some evidence for a regional variation in the law of interstellar reddening; 1955ApJ...122..142J
19: Hiltner W.A., Johnson H.L.; (1956) Astrophys. J. 124, 367; The law of interstellar reddening and absorption; 1956ApJ...124..367H
64: Serkowski K.; (1965) Astrophys. J. 141,1340; Polarization of galactic clusters: M25, NGC 869, 884, 1893, 2422, 6823, 6871, and association VI Cygni; 1965ApJ...141.1340S
173: Hiltner W.A.; (1956) Astrophys. J. Suppl. 2, 389; Photometric polarization and spectrographic observations of O and B Stars; 1956ApJS....2..389H
268: Cuffey J.; (1973) Astron. J. 78, 408; 1973AJ.....78..408C
1112: Hiltner W.A.; (1966) IAU Symp. 24, 373; The HR diagram of NGC 1893; 1966IAUS...24..373H
1341: Hoag A.A., Johnson H.L., Iriarte B., Mitchell R.I., Hallam K.L., Sharpless S.; (1961) Publ. US. Nav. Obs. 17, 343; Photometry of stars in galactic cluster fields; 1961PUSNO..17..343H