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How to Simulate Galactic Outflows?

Published online by Cambridge University Press:  09 February 2015

Paramita Barai
Paramita Barai*
Affiliation:
INAF - Osservatorio Astronomico di Trieste, Via G. B. Tiepolo 11, I-34143 Trieste, Italy email: pbarai@oats.inaf.it
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Abstract

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A challenge in cosmological simulations is to formulate a physical model of star-formation (SF) and supernovae (SN) feedback which produces galactic outflows like that widely observed. In several models an outflow velocity (vout) and mass loading factor (η) are input to the sub-resolution recipe. We present results from our MUPPI model, which uses local properties of gas, and is able to develop galactic outflows whose properties correlate with global galaxy properties, consistent with observations; demonstrating a significant improvement in such work.

Keywords

Cosmology: theory – Methods: Numerical – Galaxies: formation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Issue S309: Galaxies in 3D across the Universe , July 2014 , pp. 300 - 301
Copyright
Copyright © International Astronomical Union 2015 

References

Barai, P.et al., 2013, MNRAS, 430, 3213Google Scholar
Barai, P., Monaco, P., Murante, G., Ragagnin, A., & Viel, M., 2014, submitted to MNRASGoogle Scholar
Murante, G., Monaco, P., Giovalli, M., Borgani, S., & Diaferio, A., 2010, MNRAS, 405, 1491Google Scholar
Murante, G., Monaco, P., Borgani, S., Tornatore, L., Dolag, K., & Goz, D., 2014, submitted to MNRASGoogle Scholar