Alma Mater Studiorum Universit`a degli Studi di Bologna ... - Inaf
Alma Mater Studiorum Universit`a degli Studi di Bologna ... - Inaf
Alma Mater Studiorum Universit`a degli Studi di Bologna ... - Inaf
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Contents<br />
Abstract<br />
i<br />
1 Physics of ra<strong>di</strong>o galaxies 1<br />
1.1 Active galaxies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1<br />
1.2 Non-thermal emission mechanisms of active galaxies . . . . . . . . . . . . . . . 2<br />
1.2.1 Synchrotron ra<strong>di</strong>ation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2<br />
1.2.2 Polarization of synchrotron ra<strong>di</strong>ation . . . . . . . . . . . . . . . . . . . . 3<br />
1.2.3 Inverse Compton emission . . . . . . . . . . . . . . . . . . . . . . . . . 5<br />
1.3 Ra<strong>di</strong>o galaxies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6<br />
1.3.1 Ra<strong>di</strong>o-galaxy morphologies . . . . . . . . . . . . . . . . . . . . . . . . 6<br />
1.3.2 Morphology and expansion of lobes and tails . . . . . . . . . . . . . . . 7<br />
1.3.3 Internal physical con<strong>di</strong>tions of ra<strong>di</strong>o galaxies . . . . . . . . . . . . . . . 8<br />
1.3.4 Equipartition parameters . . . . . . . . . . . . . . . . . . . . . . . . . . 8<br />
1.3.5 Field and particle content of ra<strong>di</strong>o lobes and tails . . . . . . . . . . . . . 10<br />
2 The X-ray environment of ra<strong>di</strong>o galaxies 13<br />
2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13<br />
2.2 The thermal component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14<br />
2.2.1 The continuum spectrum . . . . . . . . . . . . . . . . . . . . . . . . . . 14<br />
2.2.2 Morphology of the X-ray emitting gas . . . . . . . . . . . . . . . . . . . 15<br />
2.3 Ra<strong>di</strong>o source – environment interactions . . . . . . . . . . . . . . . . . . . . . . 17<br />
2.3.1 X-ray cavities and their content . . . . . . . . . . . . . . . . . . . . . . 17<br />
2.3.2 Gas compression and heating by ra<strong>di</strong>o galaxies . . . . . . . . . . . . . . 18<br />
i