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.
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Current Science , year = 2017, month = aug, volume =
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Hybrid imperfections cause parallactic-angle-dependent leakage in pseudo-circular feeds via non-commutative Jones matrix interaction, and a SOP pre-correction is introduced to remove it before sky-frame projection.
GMRT sub-GHz survey of 44 magnetic hot stars detects emission in 11 cases and finds scaling of radio luminosity with magnetic field and rotation period consistent with higher-frequency work.
PSR J2101-4802 is a transitional millisecond pulsar with a ~1-day orbit, 0.15 solar mass He-WD companion, and large orbital period derivative that links redback-like systems to detached binaries.
Forecasts indicate 10-sigma detection for squeezed triangles and 100-sigma for combined shapes in the 21cm-galaxy cross-bispectrum with 100 hours of SKA-Mid interferometric observations on scales 0.2 to 0.9 per Mpc.
uGMRT Band-4 data on 3C48 show ionospheric phase structure functions with power-law turbulence, diffractive scales of 6.7-8.3 km, and anisotropy consistent with MSTIDs at ~19°N latitude.
LAMBDA proposes megameter-scale baselines using additional Australian stations to extend SKA-Low for high-resolution low-frequency VLBI.
Bayesian fitting of an eccentric Keplerian orbit to the radio light curve of PKS 2131-021 gives e = 0.053 ± 0.015 without red noise but favors a circular orbit plus DRW noise with e < 0.15.
Observational study of G12.79+0.43 identifies YSOs and HII regions powered by B-type stars and associates the complex with the rim of a molecular superbubble of diameter ~50 pc and expansion age ~0.3 Myr without establishing causality.
MWA Phase III upgrade adds receivers and uses MWAX correlator to support full 256-tile correlation, doubling sensitivity and quadrupling baselines.
Summarizes observational lessons on simulation pipelines and systematic mitigation from SKAO precursors for Cosmic Dawn and EoR studies.
A review and practical guide to the telescope time proposal framework and preparation process in astronomy.
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Studying Ionospheric Phase Structure Functions Using Wide-Band uGMRT (Band-4) Interferometric Data
uGMRT Band-4 data on 3C48 show ionospheric phase structure functions with power-law turbulence, diffractive scales of 6.7-8.3 km, and anisotropy consistent with MSTIDs at ~19°N latitude.