The Distribution of Young Stars and Metals in Simulated Cosmological Disk Galaxies

Details The Distribution of Young Stars and Metals in Simulated Cosmological Disk Galaxies The Distribution of Young Stars and Metals in Simulated Cosmological Disk Galaxies

2012-03-09

arxiv.org/abs/1203.1996v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

To appear in "From the First Structures to the Universe Today"; Proceedings of 2nd Workshop on Numerical and Observational Ast

Scientific paper

We examine the distribution of young stars associated with the spiral arms of a simulated L* cosmological disk galaxy. We find age patterns orthogonal to the arms which are not inconsistent with the predictions of classical density wave theory, a view further supported by recent observations of face-on Grand Design spirals such as M51. The distribution of metals within a simulated ~0.1L* disk is presented, reinforcing the link between star formation, the age-metallicity relation, and the metallicity distribution function.

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