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In collaboration with: Julien Malzac, Renaud Belmont, Bo ena Czerny, - - PowerPoint PPT Presentation
In collaboration with: Julien Malzac, Renaud Belmont, Bo ena Czerny, - - PowerPoint PPT Presentation
In collaboration with: Julien Malzac, Renaud Belmont, Bo ena Czerny, Pierre-Olivier Petrucci Agata R a ska 27.01.2015, University of Bamberg NuSTAR observation of Solar corona ~1 keV In collaboration with: Julien Malzac, Renaud
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In collaboration with: Julien Malzac, Renaud Belmont, Bożena Czerny, Pierre-Olivier Petrucci Agata Różańska 16.07.2015, Sesto-Sexten
~106-7 K, optically thick corona cold accretion disk
Black hole
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International conference organised by Andrzej Zdziarski in 1996 in Koninki, Poland
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International conference organised by Andrzej Zdziarski in 1996 in Koninki, Poland
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International conference organised by Andrzej Zdziarski in 1996 in Koninki, Poland
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Hot corona 109 K, cooled by Comptonization was optically thin, as shown by Haardt & Maraschi in 1993
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Continuum energy distribution in radio-quiet AGN:
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Continuum energy distribution in radio-quiet AGN:
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Janiuk et al. 2001 PG1211+143
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large optical depth Janiuk et al. 2001 PG1211+143
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Gierliński & Done 2004
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Gierliński & Done 2004
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Jin, Ward, Done, Gelbord 2012
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Jin, Ward, Done, Gelbord 2012
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Jin, Ward, Done, Gelbord 2012
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Done, Davis, Blaes, Ward 2012
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Done, Davis, Blaes, Ward 2012
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Petrucci et al. 2013 , Mrk 509
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Petrucci et al. 2013, Mrk 509
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Petrucci et al. 2013 , Mrk 509
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~106-7 K, optically thick corona cold accretion disk Warm, dissipated corona, optically thick, cooled purely by Compton scattering, grey
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~106-7 K, optically thick corona cold accretion disk Warm, dissipated corona, optically thick, cooled purely by Compton scattering, grey 1)
purely scattered, dissipated corona
S=J+Q
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~106-7 K, optically thick corona cold accretion disk Warm, dissipated corona, optically thick, cooled purely by Compton scattering, grey 1) 2)
purely scattered, dissipated corona
S=J+Q
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Corona is cooled by Compton scattering 1)
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Corona is cooled by Compton scattering 1) 2)
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Corona is cooled by Compton scattering
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Corona in hydrostatic equilibrium with cold disc 1)
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Corona in hydrostatic equilibrium with cold disc 1) 2) 3)
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Corona in hydrostatic equilibrium with cold disc 1) 2) 3) 4)
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Corona in hydrostatic equilibrium with cold disc 1) 2)
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Corona in hydrostatic equilibrium with cold disc 1) 2) 3) 4)
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Corona in hydrostatic equilibrium with cold disc 1) 2) 3) 4)
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Corona is Compton dominated 1)
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Corona is Compton dominated 1) 2) 3) at the base of the corona
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The optical depth of the base of dissipated corona
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Conclusions
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Conclusions 1) Dissipative corona purely cooled by Compton scattering heats up to ~ 1 keV on the base of radiative transfer. 2) Maximum optical depth of such corona:
- ptical depth in hydr. eq. ~ 5