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Birthing star forming clouds in the grand design

Part of: IAU Issue 315 - From Interstellar Clouds...

Published online by Cambridge University Press:  12 September 2016

Yusuke Fujimoto ,
Elizabeth J. Tasker ,
Greg L. Bryan  and
Asao Habe
Yusuke Fujimoto
Affiliation:
Hokkaido University, Department of Physics, Faculty of Science, Sapporo 060-0810, Japan
Elizabeth J. Tasker
Affiliation:
Hokkaido University, Department of Physics, Faculty of Science, Sapporo 060-0810, Japan
Greg L. Bryan
Affiliation:
Columbia University, Department of Astronomy, New York, NY 10025, USA
Asao Habe
Affiliation:
Hokkaido University, Department of Physics, Faculty of Science, Sapporo 060-0810, Japan
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Abstract

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We performed high resolution 3D hydrodynamical simulations of the barred galaxy M83 and investigated formation and evolution of the giant molecular clouds (GMCs) and star formation activity. We compared two simulations with and without stellar feedback. We found that the feedback disperses the cloud gas and causes clouds to inflow toward the galactic centre region due to hydrodynamical drag. The effect raises the star formation rate (SFR) and star formation efficiency (SFE) in the central bar region.

Keywords

hydrodynamicsmethods: numericalstars: formationISM: cloudsISM: structuregalaxies: structure
Type
Poster Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S315: From Interstellar Clouds to Star-Forming Galaxies: Universal Processes? , August 2015 , E24
Copyright
Copyright © International Astronomical Union 2016 

References

Dobbs, C. L., Bonnell, I. A., & Pringle, J. E. 2006, MNRAS, 371, 1663 CrossRefGoogle Scholar
Fujimoto, Y., Tasker, E. J., Wakayama, M., & Habe, A. 2014, MNRAS, 439, 936 CrossRefGoogle Scholar
Tasker, E. J., & Tan, J. C. 2009, ApJ, 700, 358 CrossRefGoogle Scholar