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Yannis Liodakis Erice 2014

Revealing the intrinsic properties of Blazar jets in the Robopol Survey International School of Cosmic Ray Astrophysics “Exploring the High Energy Universe”. Yannis Liodakis Erice 2014. Motivation. Time Scales:. EVPA rotations (Blinov et al. in prep).

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Yannis Liodakis Erice 2014

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  1. Revealing the intrinsic properties of Blazar jets in the Robopol SurveyInternational School of Cosmic Ray Astrophysics“Exploring the High Energy Universe” Yannis Liodakis Erice 2014

  2. Motivation... Time Scales: EVPA rotations (Blinov et al. in prep) Population Studies

  3. Sample Selection... • Flux limited sample of the MOJAVE survey • Removed any abnormal sources (Lister et al 2007) • Distinguished two separate populations (Ajelo et. al. 2014)

  4. Distributions... Pure luminosity evolution model Redshift (Padovani&Urry 1992) Lorentz factor (Lister et. al 1997) Luminosity function (Padovani&Urry 1992)

  5. Best fit parameters... Best fit parameters for BL LACs: Joint K-S test=57% Best fit parameters for FSRQs: Joint K-S test=3.6%

  6. BL LACS...

  7. (Pushkarev et. al. 2009) (Clausen-Brown et. al 2014)

  8. Mean=0.308

  9. FSRQs...

  10. (Vermeulen & Cohen 1994)

  11. Mean=0.28

  12. Conclusions & Future Work... BL Lac luminosity function does not evolve. Single power laws are sufficient to describe both samples. All sources have viewing angles very close to the line of sight. Both samples show θγ<1. Time scale for both samples are compressed following an exponential distribution. Applying time scale distribution to EVPA rotations.

  13. References... Liodakis et. al., “Population Statistics of Timescales in Beamed Sources”,(in prep.). Pavlidou et. al., “The Robopol Optical Polarization Survey of Gamma-Ray Loud Blazars”, MNRAS, 2014 Blinov et. al., “Robopol: First Season Optical EVPA Rotations in Blazars”, (in prep.). Lister et. al.,”Mojave: Monitoring of Jets in Active Galactic Nuclei with VLBA Experiments. VI.Kinematics Analysis of a Complete Sample of Blazar Jets”, APJ, 2009 Lister, M., Marscher, A., “Statistical effects of Doppler Beaming and Malmquist Bias on Flux-Limited Samples of Compact Radio Sources”, APJ, 1997 Pushkarev et. al.,”Mojave: Monitoring of Jets in Active Galactic Nuclei with VLBA Experiments. IX. Nuclear Opacity”, A&A, 2012 Pushkarev et. al.,”Jet Opening Angles and Gamma-Ray Brightness of AGN”, A&A, 2009 Clausen-Brown et. al.,”Causal Connection in parsec-scale Relativistic Jets: Results from the MOJAVE VLBI Survey.”, A&A, 2014 Vermeulen & Cohen, “Superluminal Motion Statistics and Cosmology”, APJ,1994 Urry, C., M., Padovani, P., “Altered Luminocity Functions for Relativistic Beamed Objects II. Distribution of Lorentz Factors and Parent Populations with Complex Luminosity Functions”, APJ, 1991 Padovani, P., Urry, C., M., “Luminosity Functions, Relativistic Beaming and Unified Theories of High-Luminosity Radio Sources”, APJ, 1992 Ajello et. al., “The Cosmic Evolution of Fermi BL Lacertae Objects”, APJ, 2014 Wall, J., V., Peacock, J., A., “Bright Extragalactic Radio Sources at 2.7 GHz-III .The All Sky Catalogue”, MNRAS, 1985

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