NGC 2422

Number of stars per data source

	Reference   71 :    1 star
	Reference  101 :   14 stars
	Reference  109 :    1 star
	Reference  202 :    1 star
	Reference  288 :   15 stars
	Reference  999 :   18 stars

References

71: Cowley A.P.; (1965) Astrophys. J. 142, 299; A spectroscopic study of the peculiar binary Boss 1985; 1965ApJ...142..299C
101: Hartoog M.R.; (1976) Astrophys. J. 205, 807; The frequency of peculiar A and metallic-line stars in open clusters; 1976ApJ...205..807H
109: Abt H.A., Cardona O.; (1983) Astrophys. J. 272, 182; Confirmations among visual multiples of an increase of Ap stars with age; 1983ApJ...272..182A
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
288: Dworetsky M.M.; (1975) Astron. J. 80, 131; Spectroscopic study of the open cluster NGC 2422; 1975AJ.....80..131D
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