paper

Galactic Fountains and Galactic Winds

arXiv:astro-ph/9908003 · doi:10.1023/A:1002661516435

Abstract

The development of galactic fountain theories is reviewed with special emphasis on the different approaches and concepts that have been used in the past. In particular the outstanding contribution of Franz Kahn to our physical understanding is appreciated. It is argued that galactic outflows represent an essential phase during galaxy evolution. The dynamics of the outflow imprints its signature on the emission spectra of soft X-rays, which may well be observable with AXAF and XMM. Finally, some remarks about winds in starburst galaxies and AGN are made.

12 pages; contribution to the proceedings of "Astrophysical Dynamics" (Evora, April 1999; in honour of Franz Kahn), D. Berry, D. Breitschwerdt, A. da Costa, J. Dyson (eds); to appear in Ap&SS

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