Trumpler 18
Number of stars per data source
Reference 1 : 1 star
Reference 16 : 2 stars
Reference 33 : 4 stars
Reference 71 : 42 stars
Reference 94 : 17 stars
Reference 98 : 3 stars
Reference 128 : 60 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
-
- 33
- Egret D.
- (1986) Private communication
- Coordinates from SIMBAD (other than SAO)
-
- 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
- 98
- Tucholke H.-J.
- (1989) Astron. Astrophys. Suppl. 78, 187
- Positions of southern open cluster stars proposed for the Hipparcos mission
- 1989A&AS...78..187B
- 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