Modelling the Variability of Blazar Jets

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1 Modelling the Variability of Blazar Jets A Selfconsistent SSC Model Matthias Weidinger Institut für Theoretische Physik und Astrophysik, Universität Würzburg GRK Tage: 24. Juli 2009 M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

2 Agenda 1 Motivation 2 Modelling a Blazar jet: Approaches 3 A Selfconsistent SSC Model 4 Results 5 Summary M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

3 Motivation 1 Motivation Paradigm Central Questions Blazars in the unified scheme of AGN 2 Modelling a Blazar jet: Approaches 3 A Selfconsistent SSC Model 4 Results 5 Summary M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

4 Paradigm M. Weidinger (Uni Wu ) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

5 Central Questions Where does the non-thermal radiation of AGN come from... From the jet, near or far away from the central Black Hole? Accretion disk or both? The obscuring torus, contribution of the Broad-line or Narrow-line region? M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

6 Central Questions Where does the non-thermal radiation of AGN come from... From the jet, near or far away from the central Black Hole? Accretion disk or both? The obscuring torus, contribution of the Broad-line or Narrow-line region? What are the mechanisms driving the radiation......definitely synchrotron radiation but what else? Comption scattering, Pair-Production, π-decay, etc.? M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

7 Central Questions Where does the non-thermal radiation of AGN come from... From the jet, near or far away from the central Black Hole? Accretion disk or both? The obscuring torus, contribution of the Broad-line or Narrow-line region? What are the mechanisms driving the radiation......definitely synchrotron radiation but what else? Comption scattering, Pair-Production, π-decay, etc.? What is the composition of the Jet... Mostly Leptons, mostly Hadrons or both equally? M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

8 Central Questions Where does the non-thermal radiation of AGN come from... From the jet, near or far away from the central Black Hole? Accretion disk or both? The obscuring torus, contribution of the Broad-line or Narrow-line region? What are the mechanisms driving the radiation......definitely synchrotron radiation but what else? Comption scattering, Pair-Production, π-decay, etc.? What is the composition of the Jet... Mostly Leptons, mostly Hadrons or both equally? What are relevant mechanisms in the jet... Radiation processes, typical magnetic fields? Particle speeds and acceleration, plasma-parameters? M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

9 Central Questions Where does the non-thermal radiation of AGN come from... From the jet, near or far away from the central Black Hole? Accretion disk or both? The obscuring torus, contribution of the Broad-line or Narrow-line region? What are the mechanisms driving the radiation......definitely synchrotron radiation but what else? Comption scattering, Pair-Production, π-decay, etc.? What is the composition of the Jet... Mostly Leptons, mostly Hadrons or both equally? What are relevant mechanisms in the jet... Radiation processes, typical magnetic fields? Particle speeds and acceleration, plasma-parameters? What are the physical processes near the black hole... Accretion next to the black hole, jet formation? Binary black hole systems? M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

10 Blazars in the unified scheme Blazar: Jet headed towards us (or small inclination) High luminosities due to relativistic beaming Good chance for insight into the jet s microphysics M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

11 Blazars in the unified scheme Blazar: Jet headed towards us (or small inclination) High luminosities due to relativistic beaming Good chance for insight into the jet s microphysics Flat spectrum radio quasars (FSRQs) Observed at high redshifts (e.g. 3C279: z = 0.536) High luminosities (at lower frequencies) M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

12 Blazars in the unified scheme Blazar: Jet headed towards us (or small inclination) High luminosities due to relativistic beaming Good chance for insight into the jet s microphysics Flat spectrum radio quasars (FSRQs) Observed at high redshifts (e.g. 3C279: z = 0.536) High luminosities (at lower frequencies) BL Lac Objects (High- and Lowpeaked) Observed at low redshifts (e.g. PKS2155: z = 0.117) Lower total luminosity M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

13 Blazars in the unified scheme Blazar: Jet headed towards us (or small inclination) High luminosities due to relativistic beaming Good chance for insight into the jet s microphysics Flat spectrum radio quasars (FSRQs) Observed at high redshifts (e.g. 3C279: z = 0.536) High luminosities (at lower frequencies) BL Lac Objects (High- and Lowpeaked) Observed at low redshifts (e.g. PKS2155: z = 0.117) Lower total luminosity Were do the differences and commonalities arise from? M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

14 Blazars in the unified scheme Commonalities of FSRQs and BL Lacs Variability on timescales from years down to minutes Extraordinary High fluxes Double Humped spectral energy distribution Hints for the same underlying physics, e.g. synchrotron emission and relativistic beaming M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

15 Blazars in the unified scheme Commonalities of FSRQs and BL Lacs Variability on timescales from years down to minutes Extraordinary High fluxes Double Humped spectral energy distribution Hints for the same underlying physics, e.g. synchrotron emission and relativistic beaming Deviations from slightly different mechanisms or orders of magnitudes in magnetc fields, accretion rate...? Blazar-sequence (redshift)? M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

16 Blazars in the unified scheme Commonalities of FSRQs and BL Lacs Variability on timescales from years down to minutes Extraordinary High fluxes Double Humped spectral energy distribution Hints for the same underlying physics, e.g. synchrotron emission and relativistic beaming Deviations from slightly different mechanisms or orders of magnitudes in magnetc fields, accretion rate...? Blazar-sequence (redshift)? Modelbuilding and comparison with observational data to rule out models and eventually gain knowledge about the physics at work and creation of a unified model. M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

17 Modelling a Jet: Approaches 1 Motivation 2 Modelling a Blazar jet: Approaches SSC Models EC Models Hadronic Models 3 A Selfconsistent SSC Model 4 Results 5 Summary M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

18 SSC Models Synchrotron Self Compton Models Spherical, homogeneous emission region (blob) Electrons/Positrons n e and photons n ph per unit volume dv M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

19 SSC Models Synchrotron Self Compton Models Spherical, homogeneous emission region (blob) Electrons/Positrons n e and photons n ph per unit volume dv Electrons suffer synchrotron losses, emitting photons in the optical to X-ray band. e B v E1 E 2 M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

20 SSC Models Synchrotron Self Compton Models Spherical, homogeneous emission region (blob) Electrons/Positrons n e and photons n ph per unit volume dv Electrons suffer synchrotron losses, emitting photons in the optical to X-ray band. e B v E1 E 2 These photones are party upscattered to VHE e due to inverse Compton scattering by the very same electrons v B E < E v v v1 1 1 E2 1 > 2 M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

21 SSC Models Synchrotron Self Compton Models Spherical, homogeneous emission region (blob) Electrons/Positrons n e and photons n ph per unit volume dv Electrons suffer synchrotron losses, emitting photons in the optical to X-ray band. e B v E1 E 2 These photones are party upscattered to VHE e due to inverse Compton scattering by the very same electrons v B E < E v v v1 1 1 E2 1 > 2 Very successfull describing the double humped SED of BL Lac objects but many free parameters (B, R, δ,...) to be constrained by observations M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

22 EC Models External Compton Models Similar to SSC Models, especially the synchrotron emission and the blob M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

23 EC Models External Compton Models Similar to SSC Models, especially the synchrotron emission and the blob But external photon field as target photons for IC scattering M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

24 EC Models External Compton Models Similar to SSC Models, especially the synchrotron emission and the blob But external photon field as target photons for IC scattering Can describe the second, higher peak in the SEDs of FSRQs But: New set of parameters (external field) has to be introduced M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

25 Proton induced cascades: Hadronic Models (HM) p + γ p + n 0 π 0 + n + π + + n π where π ± µ ± + ν µ / ν µ, π 0 γ + γ, µ ± e ± + ν e / ν e + ν µ /ν µ p + γ p + e + + e X-Ray peak due to primary electrons HE peak due to secondary particle and proton synchrotron radiation or/and pair cascading π 0 γ + γ... (Mücke02, Mannheim93) M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

26 Proton induced cascades: Hadronic Models (HM) p + γ p + n 0 π 0 + n + π + + n π where π ± µ ± + ν µ / ν µ, π 0 γ + γ, µ ± e ± + ν e / ν e + ν µ /ν µ p + γ p + e + + e X-Ray peak due to primary electrons HE peak due to secondary particle and proton synchrotron radiation or/and pair cascading π 0 γ + γ... (Mücke02, Mannheim93) Heavy Jet Models: High proton densities p + p Processes become relevant e.g. p + p p + p + n 1 (π + + π ) + n 2 π 0 or p + p p + n + π + + n 3 (π + + π ) + n 2 π 0 M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

27 Proton induced cascades: Hadronic Models (HM) p + γ p + n 0 π 0 + n + π + + n π where π ± µ ± + ν µ / ν µ, π 0 γ + γ, µ ± e ± + ν e / ν e + ν µ /ν µ p + γ p + e + + e X-Ray peak due to primary electrons HE peak due to secondary particle and proton synchrotron radiation or/and pair cascading π 0 γ + γ... (Mücke02, Mannheim93) Heavy Jet Models: High proton densities p + p Processes become relevant e.g. p + p p + p + n 1 (π + + π ) + n 2 π 0 or p + p p + n + π + + n 3 (π + + π ) + n 2 π 0 HM produce neutrinos, but require high magnetic fields in the jet M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

28 Our Selfconsistent SSC Model 1 Motivation 2 Modelling a Blazar jet: Approaches 3 A Selfconsistent SSC Model The implemented Model Acceleration in the Model Radiation in the Model 4 Results 5 Summary M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

29 The implemented Model Code On Jetsystems Of Non-thermally Emitting Sources (COJONES) Goal: Develop a fully selfconsistent, timedependent, twozone-ssc Model M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

30 The implemented Model Code On Jetsystems Of Non-thermally Emitting Sources (COJONES) Goal: Develop a fully selfconsistent, timedependent, twozone-ssc Model Explain injected particle spectra used in SSC models Acceleration will be needed M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

31 The implemented Model Code On Jetsystems Of Non-thermally Emitting Sources (COJONES) Goal: Develop a fully selfconsistent, timedependent, twozone-ssc Model Explain injected particle spectra used in SSC models n ph and n e develop out of the interaction Explain the non-intrinsic sub-hour variability of blazars Flux above 200GeV VHE Flare of PKS H.E.S.S. Lightcurve (Aharonian et al. 2007) 4e-09 Acceleration will be needed I(>200GeV) / cm -2 s -1 3e-09 2e-09 1e t / s (from MJD ) M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

32 The implemented Model Code On Jetsystems Of Non-thermally Emitting Sources (COJONES) Goal: Develop a fully selfconsistent, timedependent, twozone-ssc Model Explain injected particle spectra used in SSC models Acceleration will be needed I(>200GeV) / cm -2 s -1 4e-09 3e-09 2e-09 1e-09 n ph and n e develop out of the interaction Explain the non-intrinsic sub-hour variability of blazars Flux above 200GeV VHE Flare of PKS H.E.S.S. Lightcurve (Aharonian et al. 2007) t / s (from MJD ) One small zone for acceleration only another, bigger one for radiation Needed due to the short timescales But no additional parameters in comparision to standard SSC Models M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

33 Acceleration in the Model M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

34 Acceleration in the Model Electron density: Acceleration zone t n e = γ [ (βs γ 2 t 1 accγ) n e ] + γ [ [(a + 2)tacc ] 1 γ 2 γ n e ] +Q0 t 1 escn e M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

35 Acceleration in the Model Electron density: Acceleration zone t n e = γ [ (βs γ 2 t 1 accγ) n e ] + γ [ [(a + 2)tacc ] 1 γ 2 γ n e ] +Q0 t 1 escn e Low energetic (upstream) electrons enter the acceleration zone Q 0 = q 0 δ(γ γ 0 ) γ 0 3 M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

36 Acceleration in the Model Electron density: Acceleration zone t n e = γ [ (βs γ 2 t 1 accγ) n e ] + γ [ [(a + 2)tacc ] 1 γ 2 γ n e ] +Q0 t 1 escn e Low energetic (upstream) electrons enter the acceleration zone Accelerated due to Fermi-I acceleration M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

37 Acceleration in the Model Electron density: Acceleration zone t n e = γ [ (βs γ 2 t 1 accγ) n e ] + γ [ [(a + 2)tacc ] 1 γ 2 γ n e ] +Q0 t 1 escn e Low energetic (upstream) electrons enter the acceleration zone Accelerated due to Fermi-I acceleration Fermi-II acceleration M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

38 Acceleration in the Model Electron density: Acceleration zone t n e = γ [ (βs γ 2 t 1 accγ) n e ] + γ [ [(a + 2)tacc ] 1 γ 2 γ n e ] +Q0 t 1 escn e Low energetic (upstream) electrons enter the acceleration zone Accelerated due to Fermi-I acceleration Fermi-II acceleration while suffering synchrotron losses M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

39 Acceleration in the Model Electron density: Acceleration zone t n e = γ [ (βs γ 2 t 1 accγ) n e ] + γ [ [(a + 2)tacc ] 1 γ 2 γ n e ] +Q0 t 1 escn e Low energetic (upstream) electrons enter the acceleration zone Accelerated due to Fermi-I acceleration Fermi-II acceleration while suffering synchrotron losses resulting in the disired spectrum n e,inj / cm -3 1e+10 1e e-05 1e-10 1e-15 Injected electron spectrum (bob s rest frame) e+05 1e+06 1e+07 γ M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

40 Radiation in the Model Electron density: Radiation zone t N e = γ [ (βs γ 2 + γ IC ) N e ] + t 1 escn e t 1 esc,n N e M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

41 Radiation in the Model Electron density: Radiation zone t N e = γ [ (βs γ 2 + γ IC ) N e ] + t 1 escn e t 1 esc,n N e Electrons from the acc. zone enter the radiation zone 1e+10 Injected electron spectrum (bob s rest frame) 1e+05 n e,inj / cm e-05 1e-10 1e e+05 1e+06 1e+07 γ M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

42 Radiation in the Model Electron density: Radiation zone t N e = γ [ (βs γ 2 + γ IC ) N e ] + t 1 escn e t 1 esc,n N e Electrons from the acc. zone enter the radiation zone Radiation processes Synchrotron emission γ 2 M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

43 Radiation in the Model Electron density: Radiation zone t N e = γ [ (βs γ 2 + γ IC ) N e ] + t 1 escn e t 1 esc,n N e Electrons from the acc. zone enter the radiation zone Radiation processes Synchrotron emission γ 2 Inverse Compton scattering γ IC dν dν 1 νn ph (ν 1 )σ with the full Klein-Nishina Cross section σ(ν, ν 1, γ) M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

44 Radiation in the Model Electron density: Radiation zone t N e = γ [ (βs γ 2 + γ IC ) N e ] + t 1 escn e t 1 esc,n N e Electrons from the acc. zone enter the radiation zone Radiation processes Synchrotron emission γ 2 Inverse Compton scattering producing a photon field Photon density t n ph = R syn +R IC t 1 esc,ph n ph i.e. proportional to synchrotron and inverse Compton loesses of the electrons M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

45 Radiation in the Model Electron density: Radiation zone t N e = γ [ (βs γ 2 + γ IC ) N e ] + t 1 escn e t 1 esc,n N e Electrons from the acc. zone enter the radiation zone Radiation processes Synchrotron emission γ 2 Inverse Compton scattering producing a photon field relativistic beaming to the observer s frame SED νf(ν) / erg cm -2 s -1 1e-10 1e-11 1e-12 1e-13 1e-14 1e-15 BeppoSAX MAGIC VERITAS Zweizonen-SSC (best Fit) SED of 1ES e+15 1e+20 1e+25 ν / Hz M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

46 Some Results 1 Motivation 2 Modelling a Blazar jet: Approaches 3 A Selfconsistent SSC Model 4 Results PKS2155 in a Lowstate PKS2155 Lightcurve 5 Summary M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

47 PKS2155 in a Lowstate 1e-10 PKS in a lowstate (latest multiwavelength observation including Fermi) 1e-11 νf(ν) / erg cm -2 s -1 1e-12 1e-13 ATOM B-Band obs Fermi obs H.E.S.S. obs mid γ-injection twozone-ssc fit (low γ-injection twozone-ssc fit) 1e-14 1e+15 1e+18 1e+21 1e+24 1e+27 ν / Hz Q 0 (cm 3 ) B(G) R acc (cm) R rad (cm) t acc /t esc a δ γ M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

48 PKS2155 in a Lowstate 1e-10 PKS in a lowstate (latest multiwavelength observation including Fermi) 1e-11 νf(ν) / erg cm -2 s -1 1e-12 1e-13 1e-14 ATOM B-Band obs Fermi obs H.E.S.S. obs (H.E.S.S. data from 2003) mid γ-injection twozone-ssc fit (low γ-injection twozone-ssc fit) 1e+15 1e+18 1e+21 1e+24 1e+27 ν / Hz Q 0 (cm 3 ) B(G) R acc (cm) R rad (cm) t acc /t esc a δ γ M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

49 PKS2155 in a Lowstate 1e-10 PKS in a lowstate (latest multiwavelength observation including Fermi) 1e-11 νf(ν) / erg cm -2 s -1 1e-12 1e-13 1e-14 ATOM B-Band obs Fermi obs H.E.S.S. obs (H.E.S.S. data from 2003) mid γ-injection twozone-ssc fit (low γ-injection twozone-ssc fit) integration range (lightcurve) 1e+15 1e+18 1e+21 1e+24 1e+27 ν / Hz Q 0 (cm 3 ) B(G) R acc (cm) R rad (cm) t acc /t esc a δ γ M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

50 PKS2155 Lightcurve Inject more electrons (at γ 0 ) into the acceleration zone for certain amounts of time. M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

51 PKS2155 Lightcurve Inject more electrons (at γ 0 ) into the acceleration zone for certain amounts of time. M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

52 Summary 1 Motivation 2 Modelling a Blazar jet: Approaches 3 A Selfconsistent SSC Model 4 Results 5 Summary Conclusion Future Work M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

53 Conclusion Powerful selfconsistent SSC code with acceleration processes was developed which is able to explain the electron spectra used in SSC Models M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

54 Conclusion Powerful selfconsistent SSC code with acceleration processes was developed which is able to explain the electron spectra used in SSC Models including more complex electron spectra for the injection into the blob (with rising components) M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

55 Conclusion Powerful selfconsistent SSC code with acceleration processes was developed which is able to explain the electron spectra used in SSC Models including more complex electron spectra for the injection into the blob (with rising components) No additional parameters had to be introduced. Parameters connected directly to the jet s microphysics thus allowing physical interpretations. M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

56 Conclusion Powerful selfconsistent SSC code with acceleration processes was developed which is able to explain the electron spectra used in SSC Models including more complex electron spectra for the injection into the blob (with rising components) No additional parameters had to be introduced. Parameters connected directly to the jet s microphysics thus allowing physical interpretations. Model can explain variability down to a timesale of minutes due to non-intrinsic fluctuations along the jet axis M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

57 Much work to do... SSC Models are just one approach not able to explain both, BL Lacs and FSRQs Light travelling time within the blob not intrinsically in the model A blob (and a jet) is not a sphere... M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

58 Much work to do... SSC Models are just one approach not able to explain both, BL Lacs and FSRQs Light travelling time within the blob not intrinsically in the model A blob (and a jet) is not a sphere... Use cylindrical symmetry and solve the particle transport equation in two spacially dimensions with correct radiation transport Include hadronic processes M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

59 Much work to do... SSC Models are just one approach not able to explain both, BL Lacs and FSRQs Light travelling time within the blob not intrinsically in the model A blob (and a jet) is not a sphere... Use cylindrical symmetry and solve the particle transport equation in two spacially dimensions with correct radiation transport Include hadronic processes Spacially resolved hybrid model Produces neutrinos Light travelling time intrinsic Unifying FSRQs and BL Lacs in one model Maybe applicable on the fast rise exponential decay of Gamma Ray Bursts M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

60 Thank you for your attention. M. Weidinger (Uni Wü) A Selfconsistent SSC Model GRK Tage: 24. Juli / 22

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