The relation between the most-massive star and its parental star cluster mass

摘要: We present a thorough literature study of the most-massive star, mmax, in several young star clusters order to assess whether or not are populated from stellar initial mass function (IMF) by random sampling over range 0.01 6 m 150 M⊙ without being constrained cluster mass, Mecl. The data reveal partition sample into lowest objects (Mecl 10 2 M⊙), moderate (10 < Mecl 3 M⊙) and rich above M⊙. Additionally, there is plateau constant maximal (mmax � 25 for with masses between 4 · Statistical tests this set that hypothesis IMF highly unlikely more massive than probability p 2· −7 −9 clusters. Also, spread mmax values at given smaller expected sampling. suggest basic physical process able explain dependence inventory on its may be interplay feedback binding energy cluster-forming molecular cloud core. Given these results, it would follow an integrated galactic (IGIMF) sampled such automatically steeper comparison within individual