NGC 2420
Number of stars per data source
Reference 49 : 17 stars
Reference 106 : 26 stars
Reference 116 : 6 stars
Reference 179 : 33 stars
References
- 49
- Sarma M.B.K., Walker M.F.
- (1962) Astrophys. J. 135, 11
- The color-magnitude diagram of NGC 2420
- 1962ApJ...135...11S
- 106
- McClure R.D., Forrester W.T., Gibson J.
- (1974) Astrophys. J. 189, 409
- The old open cluster NGC 2420
- 1974ApJ...189..409M
- 116
- Demarque P., McClure R.D.
- (1977) Astrophys. J. 213, 716
- The significance of the star clusters NGC 2420 and 47 Tucanae for galactic evolution
- 1977ApJ...213..716D
- 179
- West F.R.
- (1967) Astrophys. J. Suppl. 14, 384
- Photographic photometry of the galactic cluster NGC 2420
- 1967ApJS...14..384W