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- W2891894422 abstract "Here we report on the total-intensity 610 MHz Giant Meterwave Radio Telescope (GMRT) observations of the peculiar hybrid blazar SBS B1646+499, which merges the properties of BL Lacertae objects and flat-spectrum radio quasars. The complex radio structure of SBS B1646+499, emerging from the archival radio data and our new GMRT observations, consists of the megaparsec-scale elongated halo, the unilateral kiloparsec-scale jet, and the nuclear jet extending up to ∼20 pc from the compact core. The giant halo is characterized by a steep radio spectrum, indicative of the advanced aging of the electron population within the lobes. For the large-scale jet, we detected a spectral gradient along and across the outflow, and in particular spectral flattening of the radio continuum toward the jet edges, suggestive of the spine-boundary shear layer morphology. The nuclear jet displays superluminal knots emerging from the self-absorbed and variable radio core. We interpret all these findings in the framework of the model of an episodic jet activity with a precessing jet axis." @default.
- W2891894422 created "2018-09-27" @default.
- W2891894422 creator A5015378248 @default.
- W2891894422 creator A5038204670 @default.
- W2891894422 creator A5043229660 @default.
- W2891894422 creator A5055537453 @default.
- W2891894422 date "2018-11-20" @default.
- W2891894422 modified "2023-10-14" @default.
- W2891894422 title "Megaparsec-scale Radio Structure Associated with a Hybrid Blazar SBS B1646+499: Episodic Jet Activity with Precessing Axis" @default.
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- W2891894422 doi "https://doi.org/10.3847/1538-4357/aae1a9" @default.
- W2891894422 hasPublicationYear "2018" @default.
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