The SMC star cluster Lindsay 1. First UI photometric study

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Galaxies: Clusters: General, Stars: Hertzsprung-Russell (Hr) And C-M Diagrams, Galaxies: Stellar Content, Galaxies: Magellanic Clouds, Galaxies: Individual: Smc, Galaxies: Star Clusters

Scientific paper

We present new CCD photometry of the Small Magellanic Cloud star cluster Lindsay 1 in UBVI filters. It is the first photometry in U and I filters. We determine the reddening E(B-V)=0.014. Using a variety of metallicity indicators in the optical and the infrared regions we determine a cluster metallicity [Fe/H]_CG97=-1.05+/-0.14 and [M/H]=-0.83+/-0.14. We find that Lindsay 1 has an age of 9-10 Gyr.
Tables 1 and 4 are only available at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http// cdsweb . u-strasbg . fr/cgi-bin/qcat?J /A+A/407/919

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