Radial distribution of the integrated light and photometric colours in open star clusters

Details Radial distribution of the integrated light and photometric colours in open star clusters Radial distribution of the integrated light and photometric colours in open star clusters

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989japa...10..173s&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 10, June 1989, p. 173-182.

Astronomy and Astrophysics

Astrophysics

5

Astronomical Photometry, Open Clusters, Radial Distribution, Star Clusters, Stellar Mass, Distribution Functions, Mass Distribution, Stochastic Processes, Ubv Spectra

Scientific paper

Mass segregation in the form of preferential concentration of more massive stars in the central regions of a number of open star clusters has been known for some time. In this paper, integrated UBV colors in concentric zones have been estimated for 12 nearby open clusters using the observations of individual cluster members. It is found that the clusters showing pronounced mass segregation also show significant radial variations in the integrated colors. However, the effects of stochastic fluctuations around the massive portion of the mass distribution function on the integrated colors should be taken into consideration, if they are present.

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