Mass function study of six open clusters Be 10, Be 67, To 5, Be 15, Be 71 and King 1

Details Mass function study of six open clusters Be 10, Be 67, To 5, Be 15, Be 71 and King 1 Mass function study of six open clusters Be 10, Be 67, To 5, Be 15, Be 71 and King 1

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005basi...33...51l&link_type=abstract

Bulletin of the Astronomical Society of India, vol. 33, Issue 2, p.51

Astronomy and Astrophysics

Astronomy

1

Stars: Luminosity Function, Mass Function, Open Clusters And Associations: General.

Scientific paper

In the present study, we have used the CCD data to determine the luminosity and mass function of six open clusters. Members of clusters are identified using photometric and statistical criteria. From these members, we have derived luminosity functions and determined the mass function slopes for the clusters under study. The mass function slopes for clusters Be 10, Be 67, To 5, Be 15, Be 71 and King 1 are 1.39(+/-)0.73, 3.41(+/-)0.98, 1.32(+/-)0.47, 1.35(+/-)0.46, 3.02(+/-)0.81 and 1.46(+/-)0.71 respectively. These slopes agree with the Salpeter value (x=1.35) within errors except for clusters Be 67 and Be 71 which have steeper slopes. The clusters Be 10, Be 67, To 5 and Be 15 show mass segregation while King 1 gives weak evidence of mass segregation and Be 71 does not show the ects of mass segregation. All the clusters under study are dynamically relaxed.

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