Initial Mass Function of 15 Open Clusters

Details Initial Mass Function of 15 Open Clusters Initial Mass Function of 15 Open Clusters

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jkas...22..113a&link_type=abstract

Journal of the Korean Astronomical Society, vol. 22, no. 2, p. 113-126

Astronomy and Astrophysics

Astronomy

2

Scientific paper

The initial mass functions(IMF) of 15 selected open clusters are investigated by making use of C-M diagrams and theoretical evolutionary tracks. Among 15 clusters 13 have peaks in their IMFs and it is thought to be not due to imcomplete photometry but to intrinsic property. The mass where IMF peaks is about 2Mo and it is similar to that of the second peak in the IMF of nearby field stars. The mean slope of the IMF in the high mass part is 1.9+-0.6 with some variations among clusters. But there seems to be no correlation between the slope and physical parameters such as ages, diameters, and metal abundances.

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