NGC 6822: SFH of its Intermediate-Age Population

Details NGC 6822: SFH of its Intermediate-Age Population NGC 6822: SFH of its Intermediate-Age Population

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011eas....48...63d&link_type=abstract

EAS Publications Series, Volume 48, 2011, pp.63-64

Physics

Scientific paper

We have monitored, during four years, a 32'× 32' area of the Local Group dwarf galaxy NGC 6822. Observations lead to the discovery of 30 Miras and 24 semi-regular and irregular variables. When relating the periods of Miras to their age, we find a continuous star formation during the last 3 Gyr. This result is basically consistent with the hypothesis that the intermediate-age population of NGC 6822 was born following the "polar ring" formation.

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