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Simulated X-Ray Emission from Starburst Driven Winds

Published online by Cambridge University Press:  25 May 2016

D. K. Strickland
Affiliation:
School of Physics & Astronomy, University of Birmingham, Edgbaston, Birmingham, B15 2TT, U.K.
I. R. Stevens
Affiliation:
School of Physics & Astronomy, University of Birmingham, Edgbaston, Birmingham, B15 2TT, U.K.
T. J. Ponman
Affiliation:
School of Physics & Astronomy, University of Birmingham, Edgbaston, Birmingham, B15 2TT, U.K.

Abstract

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Winds from massive stars and supernovae in starburst galaxies drive global outflows of hot X-ray emitting plasma, as seen in M82 and NGC 253. These galactic winds are important for understanding galaxy evolution & formation, chemical enrichment of the IGM, and the starburst phenomenon itself.

X-ray observations provide the only direct probe of the hot gas in these winds. However, the limitations of current X-ray observatories and factors such as complex temperature structure, mass loading by ambient material and projection effects all make the link between the observed data and existing 1 & 2-D modeling and theory difficult to make.

We have therefore begun a program of numerical simulations of galactic winds, concentrating on predicting their observable X-ray properties. We present some initial results, comparing them to the archetypal starburst wind system M82.

Type
Session 1: Plasma and Fresh Nucleosynthesis Phenomena
Copyright
Copyright © Kluwer 1998 

References

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