MOJAVE. XV. VLBA 15 GHz Total Intensity and Polarization Maps of 437 Parsec-scale AGN Jets from 1996 to 2017

Abstract

We present 5321 milliarcsecond-resolution total intensity and linear polarization maps of 437 active galactic nuclei (AGNs) obtained with the VLBA at 15 GHz as part of the MOJAVE survey, and also from the NRAO data archive. The former is a long-term program to study the structure and evolution of powerful parsec-scale outflows associated with AGNs. The targeted AGNs are drawn from several flux-limited radio and γ-ray samples, and all have correlated VLBA flux densities greater than ∼ 50 mJy at 15 GHz. Approximately 80% of these AGNs are associated with γ-ray sources detected by the Fermi LAT instrument. The vast majority were observed with the VLBA on 5 to 15 occasions between 1996 January 19 and 2016 December 26, at intervals ranging from a month to several years, with the most typical sampling interval being six months. A detailed analysis of the linear and circular polarization evolution of these AGN jets are presented in other papers in this series.

Optical polarization properties of AGNs with significant VLBI–Gaia offsets

“…Pacholczyk 1970;Ginzburg 1979) and observational (e.g. Angelakis et al 2016;Lister et al 2018) perspective. The theoretical limit is about 80 % for optically thin synchrotron emission in a uniform magnetic field.…”

Hard X-ray selected giant radio galaxies – II. Morphological evidence of restarted radio activity

“…In fact, the estimate of the lobe magnetic field as reported by Ishwara-Chandra & Saikia (1999) allows a rough estimate of the lobe radiative age as done for the case of IGR J14488-4008: assuming a spectral break above 1 GHz the estimated age is below 10 Myr. Moreover, pc-scale resolution images for this source, collected as part of the 2 cm VLBA survey and Monitoring Of Jets in Active galactic nuclei with VLBA Experiments (MOJAVE, see Lister et al 2018 for the latest results), show a one-sided jet extending towards NW, aligned with the jet axis seen on the kpc scale. This confirms the small viewing angle suggested by the optical spectrum and radio variability mentioned above.…”

A panchromatic spatially resolved study of the inner 500 pc of NGC 1052 – II. Gas excitation and kinematics

“…In white, optical contours of the GMOS-IFU continuum. Panel d: NGC 1052 total intensity map of the parsec scale jet obtained with the VLBA at 2 cm on 2012/March/27 (Lister et al 2018). The bottom I contour is 1/512 of the peak of 0.551 Jy/beam, and the contours increase in steps of 2.…”