Stephenson 1
Number of stars per data source
Reference 354 : 12 stars
Reference 360 : 17 stars
References
- 354
- Eggen O.J.
- (1983) Mon. Not. R. Astr. Soc. 204, 391
- Concentrations in the local association - II. The northern concentrations including the Alpha Persei, Pleiades, M34 and Delta Lyrae clusters
- 1983MNRAS.204..391E
- 360
- Anthony-Twarog B.J.
- (1984) Astron. J. 89, 655
- uvby photometry in M39 and Delta Lyrae
- 1984AJ.....89..655A