Pismis 20
Number of stars per data source
Reference 91 : 196 stars
Reference 289 : 92 stars
References
- 91
- Vazquez R.A., Will J.-M., Prado P., Feinstein A.
- (1995) Astron. Astrophys. Suppl. 111, 85
- A detailed study of the open cluster Pismis 20
- 1995A&AS..111...85V
- 289
- Sagar R., Munari U., de Boer K.S.
- (2001) Mon. Not. R. Astron. Soc. 327, 23
- Multicolour CCD photometric and mass function study of the distant southern open star clusters NGC 3105, NGC 3603, Melotte 105, Hogg 15, NGC 4815, Pismis 20 and NGC 6253
- 2001MNRAS.327...23S