I-Band Surface Brightness Fluctuations of Magellanic Star Clusters

Details I-Band Surface Brightness Fluctuations of Magellanic Star Clusters I-Band Surface Brightness Fluctuations of Magellanic Star Clusters

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009rmxac..35r.294a&link_type=abstract

XII Latin American IAU Regional Meeting (Eds. G. Magris, G. Bruzual, & L. Carigi) Revista Mexicana de Astronomía y Astrofísica (

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Surface brightness fluctuations (SBF) measurements are a powerful and now very well established tool for determining cosmological distances. In addition, they can provide unique information about the brightest stars in a population. In a series of papers, González-Lópezlira et al. have advanced in the calibration of model SBF luminosities for the study of unresolved stellar populations, through a comparison with data of Magellanic star clusters. Here, we propose to study the relation between absolute I-band fluctuation magnitude and (V-I) color in Magallanic stellar clusters, using data from the Deep Near-Infrared Southern Sky Survey (DENIS), and from the literature. We also compare our results with data of early-type galaxies and spiral bulges obtained by Tonry et al.

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