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| Paper: |
VLBA Polarimetry: A Faraday Screen in 3C273 |
| Volume: |
340, Future Directions in High Resolution Astronomy: The 10th Anniversary of the VLBA |
| Page: |
195 |
| Authors: |
Ojha, R.; Homan, D.C.; Wardle, J.F.C.; Roberts, D.H.; Aller, H.D.; Aler, M.F.; Hughes, P.A. |
| Abstract: |
The polarization of superluminal radio components moving at the base of the VLBI jet in 3C273 are tracked as part of a six epoch monitoring campaign at 15 and 22 GHz. The components rise sharply in fractional polarization as they move outward, suggesting either (1) an increase in intrinsic B-field order or (2) an emergence from behind a Faraday depolarizing screen. We prefer the second possibility and discuss a model that provides depolarization with little observable Faraday rotation. |
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