Abstract
AbstractThe GHz‐Peaked Spectrum (GPS) quasar OQ172 (J1445+0958) has an extremely high rest‐frame rotation measure (RM > 20000 rad m–2) and an RM gradient in its inner nucleus. Its jet observed with Very Long Baseline Interferometry (VLBI) is strongly bent along an arc spanning > 100 pc. Near infrared (NIR) spectra reveal an unusually large [O III] line width which suggests a large mass within the NLR and/or strong interactions between the emerging jet and the dense material therein. We present our VLBI Space Observatory Programme (VSOP) and Multi‐frequency Very Long Baseline Array (VLBA) observation of the GPS quasar OQ172. The observations will help us to explore the VLBI radio properties and to better understand the circumnuclear environment of OQ172. (© 2016 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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