NGC 6494
Number of stars per data source
Reference 207 : 3 stars
Reference 212 : 2 stars
Reference 261 : 1 star
Reference 999 : 11 stars
References
- 207
- Hoag A.A., Applequist L.
- (1965) Astrophys. J. Suppl. 12, 215
- Distance moduli of open clusters
- 1965ApJS...12..215H
- 212
- Harris G.L.H.
- (1976) Astrophys. J. Suppl. 30, 451
- Evolved stars in open clusters
- 1976ApJS...30..451H
- 261
- Cowley A.P., Cowley C., Jaschek M., Jaschek C.
- (1969) Astron. J. 74, 375
- A study of the bright A stars. I. A catalogue of spectral classifications
- 1969AJ.....74..375C
- 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