Multifrequency polarization structure of the subpc scale jet
Multi-frequency polarization structure of the (sub-)pc scale jet in 3 C 273 at mm-wavelengths Tuomas Savolainen Aalto University Metsähovi Radio Observatory, Finland Max-Planck-Institut für Radioastronomie, Germany
VLBI-scale Faraday rotation in the jet of 3 C 273 at cm-wavelengths Mc. Kinney & Blandford 2009 Zavala & Taylor (2005) Hovatta et al. (2012) Asada et al. (2002) 2
43 -86 GHz EVPA difference (Attridge et al. 2005) Mc. Kinney & Blandford 2009 • 3
43 -86 GHz EVPA difference (Hada et al. 2016) Mc. Kinney & Blandford 2009 4
15 -86 GHz VLBA polarimetry of 3 C 273 in Oct 2010 15 GHz Mc. Kinney & Blandford 2009 24 GHz 5
15 -86 GHz VLBA polarimetry of 3 C 273 in Oct 2010 43 GHz Mc. Kinney & Blandford 2009 86 GHz EVPA calibration using IRAM 30 -m (Agudo et al. 2014) 6
Differences in EVPA between 86 and 43 GHz Mc. Kinney & Blandford 2009 7
Differences in EVPA between 86 and 43 GHz Mc. Kinney & Blandford 2009 8
Polarization degree and depolarization Mc. Kinney & Blandford 2009 86 GHz 43 GHz 9
Need for higher N-S resolution Super-resolved 0. 15 mas circ. beam • 10
Summary • 11
BACKUP SLIDES 12
RM “mapping” at 86 -24 GHz Mc. Kinney & Blandford 2009 13
Multifrequency VLBA polarimetry at 15 -86 GHz • 14
43 -86 GHz spectral index image Mc. Kinney & Blandford 2009 15
Differences in EVPA between 86 and 43 GHz Mc. Kinney & Blandford 2009 16
Polarization degree along the jet Mc. Kinney & Blandford 2009 43 GHz 86 GHz 17
Blank slide Mc. Kinney & Blandford 2009 18
- Slides: 18