Reverberation mapping

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Luminosity required to hold a particle in balance between gravityand radiative pressureL edd:= 4πGcm pσ TM BH≈ 1.3x10 38 M BHM erg / sgpe U=-GM 2 /2r is released at a rateL ≈ dUdt= GM rL ≈ dUdtdmdt= GM r= GM Mrdmdt= GM MrL here is released g.p energy/sQuantification of that for accreting gas is -half of this released goes intoheating the gas, for accreting mass M, half of gpe goes into heating gas,half radiated away at a rate L diskL diskL = GM M2r= 2πr 2 σT 4
Copious production of X-RaysUV photons from innerdisk Inverse Comptonscatter off relativisticelectrons in coronaThermal Comptonization-> hard X-raysSome X-rays shine back onto disk producing a “reflection spectrum”Continuum + reflection pass thro’ ionized circumnuclear gas - thatimprints further absorption & emission features on observed spectrum
Page 1 and 2: Reverberation mappingOptical lines
Page 3 and 4: Reverberation mappingv =GM rGetting
Page 7 and 8: Light Crossing Time•Variations sm
Page 11 and 12: X-ray Observations of AGNWhat we ca
Page 13: Recap: The Power behind AGNSimple a
Page 17 and 18: X-ray Line ProductionGeorge & Fabia
Page 19 and 20: Chandra/XMMSuzakuAbsorptionfrom out
Page 21 and 22: Profile distorted SR & GR- probe of
Page 23 and 24: GR Effects on Spectral featuresProf
Page 25 and 26: MCG-6-30-15: Poster ChildTanaka et
Page 27 and 28: Absorption or Reflection as the ori
Page 29 and 30: Light bending?Suzaku lightcurveMini
Page 31 and 32: Ambiguity: - X-ray AbsorptionNGC 35
Page 33 and 34: How much evidence is there forabsor
Page 35 and 36: More Evidence for ionized outflows:
Page 37 and 38: Seyfert Spectral Variability Behavi
Page 39 and 40: Partial Covering/Occultation, resur
Page 41: Summary• Large amounts of gas are

Reverberation mapping

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