NGC 2439
Number of stars per data source
Reference 1 : 1 star
Reference 16 : 7 stars
Reference 71 : 21 stars
Reference 94 : 2 stars
Reference 113 : 5 stars
Reference 128 : 27 stars
References
- 1
- Egret D.
- (1986) Private Communication
- Coordinates from SIMBAD (mainly SAO)
-
- 16
- Stephenson C.B., Sanduleak N.
- (1971) Publ. Warner Swasey Obs. 1 no 1
- Luminous stars in the southern Milky Way
-
- 71
- Mermilliod J.-C.
- (1988)
- Positions measured with the Hipad tablet
-
- 94
- Larsson-Leander G.
- (1957) Stockholms Obs. Ann. 20 no 2
- A study of the galactic cluster NGC 1664
- 1957StoAn..20b...1L
- 113
- Lasker B.M., et al
- (1988) Astrophys. J. Suppl. 68, 1
- The Guide Star Photometric Catalog. I.
- 1988ApJS...68....1L
- 128
- Lasker B.M., Russel J.N., Jenkner H., Sturch C.R., McLean B.J., Shara M.M.
- (1990) Astron. J. 99, 2019
- The HST guide star catalogue, version 1.0
- 1990AJ.....99.2019L