
On a obtenu les magnitudes photoelectriques UBV pour 50 etoiles du champ de M39. Elles incluent 36 nouveaux membres donnes par Platais (1984). On a trouve pour l'amas un rougissement de 0,03 mag. et une distance de 300 pc. L'âge de l'amas se situe entre 2,0×10 8 et 4,0×10 8 ans
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 6 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
