The recent structural evolution of the SMC

Details The recent structural evolution of the SMC The recent structural evolution of the SMC

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26a...379..864m&link_type=abstract

Astronomy and Astrophysics, v.379, p.864-869 (2001)

Astronomy and Astrophysics

Astrophysics

28

Galaxies: Magellanic Clouds, Galaxies: Interactions, Galaxies: Evolution, Galaxies: Structure

Scientific paper

We investigate the spatial distribution of stars of different ages towards the main body of the SMC, in an attempt to further understand the nature of the complex structure of the SMC. The old stellar population of the galaxy shows a rather regular and smooth distribution which is typical for a spheroidal body. On the contrary, the distribution of the younger stellar component is highly asymmetric and irregular giving evidence for the severe impact of the SMC during its close encounter with the LMC some 0.2 to 0.4 Gyr ago. In a series of isodensity contour maps of stars within selected ages, the recent structural evolution of the SMC is presented.

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