The Small Magellanic Cloud star cluster NGC 458. A new UBVI photometric study

Details The Small Magellanic Cloud star cluster NGC 458. A new UBVI photometric study The Small Magellanic Cloud star cluster NGC 458. A new UBVI photometric study

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003a%26a...400..917a&link_type=abstract

Astronomy and Astrophysics, v.400, p.917-921 (2003)

Astronomy and Astrophysics

Astrophysics

8

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

Scientific paper

We present a new photometry of the Small Magellanic Cloud star cluster NGC 458 in UBVI filters. We determine the reddening E(B-V)=0.04+/-0.02. By comparison with the isochrones by Bertelli et al. (\cite{Ber94}) we derive an age of ~140 Myr. Three candidate blue straggler stars are proposed. The evolved ``blue loop'' stars of NGC 458 have masses between 4 and 5 cal M_sun and are hotter than model predictions.
Tables 1 and 2 are only available in electronic form at http://www.edpsciences.org

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