Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005arep...49....5p&link_type=abstract
Astronomy Reports, vol. 49, Issue 1, p.5-12
Astronomy and Astrophysics
Astronomy
Scientific paper
Multi-frequency (5, 8, 15 GHz) total intensity and polarization VLBA images of three sources from a complete sample of BL Lac objects (0745+241, 1418+546, and 1652+398) are presented together with global VLBI images of the quasar 1055+018 at 1.6 and 5 GHz. These images show signs of a spiral magnetic field in the central channel of the jet, as well as a region of longitudinal magnetic field in “sheaths” at the jet edges, which may indicate an interaction between the jet and the surrounding medium on spatial scales of several parsecs.
Gabuzda Denise C.
Pushkarev Aleksandr B.
Vetukhnovskaya Yu. N.
Yakimov V. E.
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