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Ultra-fast Outflows from Active Galactic Nuclei...

Ashkbiz Danehkar
September 14, 2016

Ultra-fast Outflows from Active Galactic Nuclei of Seyfert I Galaxies

Lunch talk at High Energy Phenomena Seminar, Harvard-CfA, Cambridge, USA, September 2016

Ashkbiz Danehkar

September 14, 2016
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  1. Ultra-fast Outflows from Ultra-fast Outflows from Active Galactic Nuclei of

    Active Galactic Nuclei of Seyfert I Galaxies Seyfert I Galaxies Ashkbiz Danehkar Ashkbiz Danehkar Harvard-Smithsonian Center for Astrophysics Harvard-Smithsonian Center for Astrophysics [email protected] [email protected] September 7th, 2016 High Energy Phenomena Seminar, Phillips Auditorium, Harvard/CfA/SAO, Cambridge , MA In collaborations with: Julia Lee (Harvard), Mike Nowak (MIT), In collaborations with: Julia Lee (Harvard), Mike Nowak (MIT), Randall Smith (SAO), Gerard Kriss (STSI) and et al. Randall Smith (SAO), Gerard Kriss (STSI) and et al.
  2. September 7th, 2016 High Energy Phenomena Seminar 4 Outline 

    Introduction  Active Galactic Nuclei Unified Model  Ionized X-ray Absorbers in AGNs of Seyfert I Galaxies  X-ray Ionized Absorbers  Warm Absorbers (WAs) and Ultra-fast Outflows (UFOs)  Photoionization Modeling of Ionized Absorbers  Absorber Density Profile  Unification of WAs and UFOs  UFOs from the Quasar PG 1211+143?  Conclusion
  3. September 7th, 2016 High Energy Phenomena Seminar 5 Introduction Introduction

    AGN Unified Model (radio-loud & -quiet AGN, Seyfert I & II Galaxies) Beckmann & Shrader 2012, Active Galactic Nuclei Unified Models for AFNs Antonucci, ARA&A, 1993, 31, 473 Unified Schemes for AGNs Megan Urry & Padovani, 1995, PASP, 107, 803 Fanaroff–Riley class I Fanaroff–Riley class II
  4. September 7th, 2016 High Energy Phenomena Seminar 6 Ionized X-ray

    Absorbers in AGNs of Seyfert I Galaxies Introduction Introduction Disk Black-body Hot Corona Warm Absorbers K-shell Iron Beckmann & Shrader 2012 Risaliti & Elvis 2004 (bbody + powerlaw + ∑ emis) x ∏ abs
  5. September 7th, 2016 High Energy Phenomena Seminar 7 X-ray Ionized

    Absorbers X-ray Ionized Absorbers  Ultra-fast Outflows (UFOs):  hard X-ray blue-shifted absorption lines  H-like & He-like Fe Ions  Velocity > 10,000 km/s (0.03c)  high velocity ~ 0.1– 0.4c (Pounds + 2003, Cappi 2006, Braito + 2007)  Recently observed in 30% of radio-quiet and -loud AGNs (Tombest + 2010,2011,2012,2014)  Warm Absorbers (WAs):  soft X-ray blue-shifted absorption lines  H-like & He-like O, Ne, Mg, Si, S Ions  Velocity < 10,000 km/s (0.03c)  Observed in 50% of Seyfert I galaxies (Reynold & Fabian 1995, Reynold 1997, George + 1998)
  6. September 7th, 2016 High Energy Phenomena Seminar 8 X-ray Ionized

    Absorbers X-ray Ionized Absorbers Cappi 2006
  7. September 7th, 2016 High Energy Phenomena Seminar 9  Very

    Computationally Expensive  Required Special Technique e.g. Parallelization with MPI_XSTAR Photoionization Modeling of Ionized Absorbers Photoionization Modeling of Ionized Absorbers  Photo-emission, Warm absorption XSTAR (Kallman + 1996, 2004) or CLOUDY (Ferland + 1998) (bbody + powerlaw + ∑ photemis) x ∏ warmabs  Physical Conditions  Column density (N H )  Ionization parameter (ξ)  Number density (n)
  8. September 7th, 2016 High Energy Phenomena Seminar 10 Ionization parameter

    Photoionization Modeling of Ionized Absorbers Photoionization Modeling of Ionized Absorbers Photoionization Code XSTAR (Kallman + 1996, 2004) Gas density Luminosity (0.0136- 13.6 keV) Radius Column density Shell thicknes s Outflow velocity BH mass King & Pounds 2015; XMM-Newton & Suzaku (42 radio-quiet, Tombesi et al 2011; 51 AGN, Gofford et al. 2013)
  9. September 7th, 2016 High Energy Phenomena Seminar 11 Photoionization Modeling

    of Ionized Absorbers Photoionization Modeling of Ionized Absorbers NGC 4051 (six XSTAR absorbers) Pounds & King 2013 Schematic view of the shocked wind model Pounds & King 2013
  10. September 7th, 2016 High Energy Phenomena Seminar 12  Absorption

    Measure Distribution (AMD): similar to Emission Measure Distribution (EMD) Absorber Density Profile Absorber Density Profile Tombesi + 2013 n(r) ~ r -1.4 density profile Behar 2009
  11. September 7th, 2016 High Energy Phenomena Seminar 13 Unification of

    UFOs and WAs Unification of X-ray Ionized Absorbers Unification of X-ray Ionized Absorbers Tombesi + 2013
  12. September 7th, 2016 High Energy Phenomena Seminar 14 Non-Unification of

    UFOs and WAs Unification of X-ray Ionized Absorbers Unification of X-ray Ionized Absorbers Tombesi + 2013
  13. September 7th, 2016 High Energy Phenomena Seminar 15 XMM-Newton Observations

     UFOs v out ~ -0.08c (Pounds + 2003, Pounds & Page 2006; Pounds + 2016)  H- and He-like ions of C, N, O, Ne, Mg, S and Fe (Pounds + 2003)  Infall redshift with 0.2c-0.4c (Reeves + 2005)  Two-component outflows  -0.14c  -0.07c (Pounds 2014; Pounds et al. 2016) NuSTAR Observations  No UFO (Zoghbi + 2015) The Quasar PG 1211+143 The Quasar PG 1211+143 Chandra Grating Observations  High Energy Transmission Grating (HETG; PI: J.C. Lee)  6 observations over 9 days ~ 433 ks  H- and He-like ions of Ne, Mg, S with - 0.06c  H- and He-like ions of Fe with -0.07c  Infall H- and He-like ions of Fe with 0.12c (redshift)  UV observations with HST  Radio observations with VLA
  14. September 7th, 2016 High Energy Phenomena Seminar 16 The Quasar

    PG 1211+143 The Quasar PG 1211+143 PG 1211+143 Chandra Observations (PI J.C. Lee) Minimum Variability over Time:
  15. September 7th, 2016 High Energy Phenomena Seminar 17 The Quasar

    PG 1211+143 The Quasar PG 1211+143 PG 1211+143 Chandra Observations (PI J.C. Lee)
  16. September 7th, 2016 High Energy Phenomena Seminar 18 The Quasar

    PG 1211+143 The Quasar PG 1211+143 Thermal (In-)Stability of Ionized Absorbers: Danehkar +, in prepartion
  17. September 7th, 2016 High Energy Phenomena Seminar 19 Danehkar +,

    in prepartion The Quasar PG 1211+143 The Quasar PG 1211+143 Thermal (In-)Stability of Ionized Absorbers:
  18. September 7th, 2016 High Energy Phenomena Seminar 20 Summary Summary

     Seyfert I galaxies  WAs: soft X-ray blue-shifted absorption lines of H-like & He-like O, Ne, Mg, Si, S ions with low velocity < 0.03c  UFOs: hard X-ray blue-shifted absorption lines of H-like & He-like Fe ions with high velocity ~ 0.1– 0.4c  Photoionization Code XSTAR (XSTAR Grids, xstardb)  Physical Conditions: ionization parameters, column density, & gas density  Absorber Density Profile: n(r) ~ r -1.4  Unification of X-ray Ionized Absorbers: UFOs + WAs ?  The Quasar PG 1211+143: multi-component absorbers with possible 0.06c and 0.11c ?
  19. September 7th, 2016 High Energy Phenomena Seminar 22 The Quasar

    PG 1211+143 The Quasar PG 1211+143 Thermal (In-)Stability of Ionized Absorbers: Danehkar et al, in prepartion
  20. September 7th, 2016 High Energy Phenomena Seminar 23 Danehkar et

    al, in prepartion The Quasar PG 1211+143 The Quasar PG 1211+143 Thermal (In-)Stability of Ionized Absorbers: