NGC 2546

Number of stars per data source

	Reference   83 :    1 star
	Reference  202 :    1 star
	Reference  212 :    2 stars
	Reference  213 :    2 stars
	Reference  221 :    2 stars
	Reference  275 :    1 star
	Reference  921 :    1 star
	Reference  941 :    1 star
	Reference  999 :   16 stars

References

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
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
212: Harris G.L.H.; (1976) Astrophys. J. Suppl. 30, 451; Evolved stars in open clusters; 1976ApJS...30..451H
213: Garrison R.F., Hiltner W.A., Schild R.E.; (1977) Astrophys. J. Suppl. 35, 111; MK spectral classifications for southern OB stars; 1977ApJS...35..111G
221: Sowell J.R; (1987) Astrophys. J. Suppl. 64, 241; Yellow evolved stars in open clusters; 1987ApJS...64..241S
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
921: Bisiacchi G.P., Firmani C., Ortega R., Peniche R.; (1976) Rev. Mex. Astron. Astrofis. 2, 13; Spectral classification of early type stars. Calibration using a TV-vidicon multichannel system; 1976RMxAA...2...13B
941: (1961) R. Obs. Cape Mim. no 12
999: Houk N., Cowley A.P., Smith-Moore M.; University of Michigan (Ann Arbor) Vol 1 (1975), Vol 2 (1978), Vol 3 (1982), Vol 4 (1988), Vol 5 (1999); The University of Michigan Catalogue of two-dimensional Spectral Types for the HD stars; 1975mctd.book.....H