The morphology of the Magellanic Clouds revealed by stars of different age: results from the DENIS survey

Details The morphology of the Magellanic Clouds revealed by stars of different age: results from the DENIS survey The morphology of the Magellanic Clouds revealed by stars of different age: results from the DENIS survey

2000-05-03

arxiv.org/abs/astro-ph/0005057v1

A&A 358, L9-L12, 2000

Astronomy and Astrophysics

Astrophysics

4 pages and 7 figures, accepted for publication in A&A Journal Letters

Scientific paper

The spatial distribution of sources populating different regions of the colour-magnitude diagram (I-J, I) extracted from the DENIS catalogue towards the Magellanic Clouds (DCMC -- Cioni et al. 2000) reveal significantly different morphologies. Each region is associated to a different age group. The Large Magellanic Cloud (LMC) shows an extended circular shape with a prominent, off center bar, a nucleus and irregular spiral arms. The Small Magellanic Cloud shows a perturbated structure with a prominent central concentration of stars. Old and young populations are offset from one another.

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