NGC1052 Are jets evolving symmetrically?
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1 NGC15 Are jets evolving symmetrically? Anne-Kathrin Baczko (MPIfR Bonn, Univ. Würzburg, Univ. Erlangen-Nürnberg) In Collaboration with: R. Schulz 1,,3, M. Kadler 3, E. Ros 4,5, T. P. Krichbaum 4, M. Perucho 5, J. Wilms 1 ASTRON, Univ. Erlangen-Nürnberg, 3 Univ. Würzburg, 4 MPIfR, 5 Univ. Valencia Max-Planck-Institut für Radioastronomie September 3, 16 ASTRO WÜRZBURG
2 Introduction the LINER galaxy NGC 15 NGC15 M87 Distance Mpc 16.7 Mpc BH mass M 1 8. M M ( ) M Inclination angle close to ( ) ( ) Gebhardt & Thomas 9 (ApJ 7,1), ( ) Acciari et al. 9 (Science 35,444) Relative RA [mas] Relative RA [mas] Baczko et al. 16 (A&A 593, A47) Emission region < R S Relative DEC [mas] mas.4pc 64Rsch Relative RA [mas] Kim et al. (in prep) See talk by Jae-Young Kim. Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 / 1
![Introduction the LINER galaxy NGC 15 r [pc] 1 1-1 1-1 -3 1-4 1-4 1-3 1-1 -1 poloidal 1 1 4 toroidal 1 1 B [G] 1-1 4 1 3 1](/docs-images/73/69419083/images/3-0.jpg "1 1 1 r [R S ] 1 1 1 1 3 1 4.1 pc 1 mas Baczko+ 16 Anne-Kathrin Baczko (MPIfR) EVN 16, St.")
3 Introduction the LINER galaxy NGC 15 r [pc] poloidal toroidal 1 1 B [G] r [R S ] pc 1 mas Baczko+ 16 Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 3 / 1
![from GHz to 86 GHz : Twin-jet at highest resolution Similar Morphology: 86 43 GHz Tapered image at 86 GHz Stacked image at 43 GHz Relative DEC [mas] Flux Density [Jy/beam] 3.5 1.5 1.5 -.5-1 -1.5 - -.](/docs-images/73/69419083/images/4-0.jpg "5-3.5..1.5..1 NGC 15 GMVA 86 GHz 3 1-1 - -3 Relative RA [mas] -1 1 Relative Distance [mas] 1 5 1 Flux Density [mjy/beam] Relative DEC [mas] Flux Density [Jy/beam] 3 NGC15 43 GHz Stacked.5 1.5 1.5 -.")
4 from GHz to 86 GHz : Twin-jet at highest resolution Similar Morphology: GHz Tapered image at 86 GHz Stacked image at 43 GHz Relative DEC [mas] Flux Density [Jy/beam] NGC 15 GMVA 86 GHz Relative RA [mas] -1 1 Relative Distance [mas] Flux Density [mjy/beam] Relative DEC [mas] Flux Density [Jy/beam] 3 NGC15 43 GHz Stacked Relative RA [mas] Relative Distance [mas] Flux Density [mjy/beam] Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 4 / 1
5 from GHz to 86 GHz : Twin-jet at highest resolution Alignment: 43 GHz GH z GH z 43GH z 43GH z relative RA [mas] relative RA [mas] Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 5 / 1
6 from GHz to 86 GHz : Twin-jet at highest resolution -3 - Spectral Index α NGC15 stacked 5-9 jet axis=64 shift: -.53, -.6 relative DEC [mas] S64 [mjy/beam] α relative RA [mas] GHz 43. GHz relative Distance [mas] Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 6 / 1
7 Detailed analysis at 43 GHz Examples from 4 years of observation with the VLBA (5-9) Date [yr] Date [yr] RA [mas] RA [mas] Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 7 / 1
8 Detailed analysis at 43 GHz Examples from 4 years of observation with the VLBA (5-9) Date [yr] Date [yr] RA [mas] RA [mas] Source structure changes from symmetric to asymmetric Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 7 / 1
9 Tracking Moving Emission Features Separation from core [mas] western jet eastern jet Date [yr] core wj1 wj wj3 wj4 wj5 wj6 wj7 wj8 wj9 wj1 wj11 wj1 wj13 wj14 wj15 ej1 ej ej3 ej4 ej5 ej6 ej7 ej8 ej9 ej1 ej11 ej1 ej13 ej14 ej15 Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 8 / 1
10 Separation from core [mas] western jet eastern jet Tracking Moving Emission Features Date [yr] Mean jet velocities: β western =.38 ±.3, β eastern =.59 ±.3 Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 8 / 1 core wj1 wj wj3 wj4 wj5 wj6 wj7 wj8 wj9 wj1 wj11 wj1 wj13 wj14 wj15 ej1 ej ej3 ej4 ej5 ej6 ej7 ej8 ej9 ej1 ej11 ej1 ej13 ej14 ej15
11 Flux Density ratio Flux Density [Jy] SCore SW est SEast top: Core & jet flux densities bottom: Ratio: western to eastern flux density SW est/seast Date [year] 8 9 Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 9 / 1
12 Flux Density ratio Flux Density [Jy] SCore SW est SEast top: Core & jet flux densities bottom: Ratio: western to eastern flux density The flux of the western jet is higher than that of the eastern jet SW est/seast Date [year] 8 9 Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 9 / 1
13 Flux Density ratio Flux Density [Jy] SCore SW est SEast top: Core & jet flux densities bottom: Ratio: western to eastern flux density The flux of the western jet is higher than that of the eastern jet SW est/seast Date [year] 8 9 Flux ratio of western to eastern jet changes Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 9 / 1
14 Millimeter VLBI observations of NGC 15 TB and opening angle gradient Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 1 / 1
15 Millimeter VLBI observations of NGC 15 TB and opening angle gradient Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 1 / 1
16 Summary and Outlook GHz Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, / 1
17 Summary and Outlook 43GHz GHz Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, / 1
18 Summary and Outlook 86GHz 43GHz GHz Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, / 1
19 Summary and Outlook 86GHz Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, / 1
20 Summary and Outlook 86GHz Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, / 1
21 Summary and Outlook 43GHz Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, / 1
22 Summary and Outlook 43GHz Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, / 1
23 Summary and Outlook GHz Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, / 1
24 Summary and Outlook GHz Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, / 1
25 Summary and Outlook Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, / 1
26 Summary and Outlook slower outer layer faster inner layer asymmetric evolution Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, / 1
27 Summary and Outlook slower outer layer faster inner layer asymmetric evolution Coming observations This November: RadioAstron + large ground support at GHz April 17: EHT + ALMA at 3 GHz Anne-Kathrin Baczko (MPIfR) EVN 16, St. Petersburg September 3, 16 1 / 1
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