NGC 7789
Number of stars per data source
Reference 50 : 4 stars
Reference 221 : 5 stars
Reference 532 : 1 star
References
- 50
- Burbidge G.R., Burbidge E.M.
- (1959) Astrophys. J. 129, 513
- Spectra of stars in galactic clusters
- 1959ApJ...129..513B
- 221
- Sowell J.R
- (1987) Astrophys. J. Suppl. 64, 241
- Yellow evolved stars in open clusters
- 1987ApJS...64..241S
- 532
- Walker M.F., Bidelman W.P.
- (1960) Publ. Astr. Soc. Pacific 72, 50
- The reddest giants in M11 and NGC 7789
- 1960PASP...72...50W