Astronomy and Astrophysics – Astronomy
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009rmxac..35..297s&link_type=abstract
XII Latin American IAU Regional Meeting (Eds. G. Magris, G. Bruzual, & L. Carigi) Revista Mexicana de Astronomía y Astrofísica (
Astronomy and Astrophysics
Astronomy
Scientific paper
We present CCD photometry for a sample of 20 Large Magellanic Cloud and 18 Small Cloud star clusters. The coordinates of the center of symmetry for every cluster have been obtained, with a mean error less than 0.5'', using an implementation of the autocorrelation mirror algorithm. The surface brightness profile for each cluster, obtained from CCD images in the V band, were fitted with the EFF model (Elson et al. 1987, ApJ, 323, 54). The structural parameters of the EFF model have been used to estimate the luminosity and mass of the clusters using synthetic mass-to-light ratio. The derived masses are in agreement with those found in the literature, and for 9 clusters we present the first estimates of these quantities. Masses are in the range 10^4 to 10^5~M_&sun;, thus confirming the massive nature of blue and intermediate age Cloud clusters.
Bica Eduardo
Bonatto Ch.
Carvalho Leonardo
Saurin T. A.
Schmidt Albrecht
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