Young stars in the periphery of NGC 6822

Details Young stars in the periphery of NGC 6822 Young stars in the periphery of NGC 6822

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003a%26a...405..563b&link_type=abstract

Astronomy and Astrophysics, v.405, p.563-569 (2003)

Astronomy and Astrophysics

Astrophysics

8

Galaxies: Individual: Ngc 6822, Galaxies: Stellar Content, Galaxies: Structure

Scientific paper

Taking advantage of the wide (42'x 28') field of the CFH12K camera, we survey the young star population of NGC 6822 to unprecedented radial distances. We determine the age of the young stars by employing Gallart's et al. (\cite{Gallart96b}) method based on the presence of stars in different boxes in the CMD. We find that star formation took place up to ~ 200 Myr ago in a wide area not always matching the current HI cloud. A ~ 50 Myr old association is identified, next to the HI void where no young stars are seen.

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