Stacking of DESI quasar spectra reveals strong, localized Hα emission aligned with radio jet axes around radio galaxies, indicating anisotropic jet-CGM interaction.
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Self-regulating AGN jets in MHD simulations of cool-core clusters yield realistic FRI radio morphologies viewed along the jet axis and account for frequency-independent lobe extents via 1-50 μG fields allowing both young and old electrons to radiate.
Digital whitening and re-quantization in radio telescopes introduce subtle systematic spectral distortions that affect 21 cm cosmology observations.
JWST IFU spectroscopy of six z~6 galaxies finds broad Balmer lines in two objects, a strong correlation of broad-line presence with Lyα luminosity yielding AGN fractions >77% above and <15% below 10^44 erg/s, plus extended star-forming gas in non-AGN hosts.
Radio AGN jets inject a total kinetic power density of 10^32 to 10^33 W per cubic megaparsec from z=0 to 2.5, matching requirements for feedback in galaxy evolution models.
Proposal for SKA-Low survey to perform 3D tomography of the Local Bubble's magnetized gas using polarized emission and rotation measure synthesis.
In X-ray selected AGN, those hosting ultra-fast outflows exhibit larger radio extensions and steep spectra matching wind-driven shock models.
Gamma-ray detections from misaligned radio galaxies support a unifying leptonic (and possibly hadronic) emission framework across AGN scales, with SKA enabling resolved studies of particle acceleration sites.
Simulated SKA-Mid surveys reach radio-AGN completeness at L_1.4GHz ~ 10^23 W Hz^-1 up to z~6.
Review synthesizing properties, energy requirements, and possible progenitors of long-period radio transients as a bridge between pulsars and radio variables.
Summarizes observational lessons on simulation pipelines and systematic mitigation from SKAO precursors for Cosmic Dawn and EoR studies.
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Lighting Up the CGM: Strong, Jet-Aligned $H\alpha$ Emission around Radio Galaxies
Stacking of DESI quasar spectra reveals strong, localized Hα emission aligned with radio jet axes around radio galaxies, indicating anisotropic jet-CGM interaction.