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NGC 6822: short period variable stars, stellar population and distance scale

  • Lara Baldacci (a1), Luca Rizzi (a2), Gisella Clementini (a3) and Enrico V. Held (a2)

Abstract

Results are presented on a study of the short period variable stars in the dwarf irregular galaxy NGC 6822. We observed an almost uniformly populated classical instability strip from the Horizontal Branch up to the Classical Cepheid region. The main goal we achieved from the analysis of the faint sample is the first detection of RR Lyrae stars in this galaxy.

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References

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NGC 6822: short period variable stars, stellar population and distance scale

  • Lara Baldacci (a1), Luca Rizzi (a2), Gisella Clementini (a3) and Enrico V. Held (a2)

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