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Browsing University of Hertfordshire by Author "Gabuzda, D."
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Discovery of a precessing jet nozzle in BL Lacertae
Stirling, A.M.; Cawthorne, T.V.; Stevens, J. A.; Jorstad, S.G.; Marscher, A.P.; Lister, M.; Gomez, J-L.; Smith, P.S.; Agudo, I.; Gabuzda, D.; Robson, E.I.; Gear, W.K. (2003) -
Multi-frequency Polarization Properties of Blazars
Jorstad, S.G.; Marscher, A.P.; Stevens, J. A.; Robson, E.I.; Lister, M.; Stirling, A.M.; Smith, P.S.; Cawthorne, T.V.; Gomez, J-L.; Gabuzda, D.; Gear, W.K. (Astronomical Society of the Pacific, 2005)We have obtained total and polarized intensity images of 15 AGNs with the VLBA at 7 mm at 17 epochs, accompanied at many epochs by nearly simultaneous measurements of polarization at 1.35/0.85 mm and at optical wavelengths. ... -
Polarimetric Observations of 15 AGNs at High Frequencies
Jorstad, S.G.; Marscher, A.P.; Stevens, J. A.; Robson, I.; Lister, M.; Stirling, A.M.; Cawthorne, T.V.; Smith, P.S.; Gomez, J-L.; Gabuzda, D.; Gear, W.K. (Astronomical Society of the Pacific, 2005)We have obtained total and polarized intensity images of 15 AGNs with the VLBA at 7 mm at 17 epochs from 25/26 March 1998 to 14 April 2001. The VLBA observations are accompanied at many epochs by simultaneous mea- surements ...