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Mapping Jet-gas Coupling and Energetic Ionized Outflows in High-redshift Radio Galaxies with JWST/NIRSpec

  • Authors: Namrata Roy, Timothy Heckman, Alaina Henry, Wuji Wang, Pranav Kukreti

Namrata Roy et al 2026 The Astrophysical Journal 1002 .

  • Provider: AAS Journals

Caption: Figure 14.

Left: integrated [O III] moment 0 (flux) map of TN J0205 showing extended ionized gas emission aligned along the radio jet axis, which is defined by the line joining the radio lobes. Magenta contours denote the radio continuum levels, similar to Figure 8. Middle: map of nonparametric line width (W80), which traces kinematic broadening. The line widths peak between the radio core and the northern lobe, with W80 exceeding ∼1400 km s−1. Right: radial profile of W80 along the jet axis. A distinct increase in W80 is observed around the core and the northern lobe, indicating stronger kinematic disturbance in that region, while the southern lobe shows weaker coupling to the gas. The asymmetric enhancement of W80 between the north and southern lobes suggests directional interaction between the radio jet and the ambient ISM, due to the prevalence of dense gas.

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