The dependence of stellar age distributions on giant molecular cloud environment

In this Letter, we analyse the distributions of stellar ages in giant molecular clouds (GMCs) in spiral arms, interarm spurs and at large galactic radii, where the spiral arms are relatively weak. We use the results of numerical simulations of galaxies, which follow the evolution of GMCs and include...

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society. Letters 2014-01, Vol.437 (1), p.L31-L35
Main Authors: Dobbs, C. L., Pringle, J. E., Naylor, T.
Format: Article
Language:English
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Summary:In this Letter, we analyse the distributions of stellar ages in giant molecular clouds (GMCs) in spiral arms, interarm spurs and at large galactic radii, where the spiral arms are relatively weak. We use the results of numerical simulations of galaxies, which follow the evolution of GMCs and include star particles where star formation events occur. We find that GMCs in spiral arms tend to have predominantly young (
ISSN:1745-3925
1745-3933
DOI:10.1093/mnrasl/slt134