NenuFAR beamformed Stokes-V data tentatively show a ~10σ left-hand circularly polarized burst from HD 189733 at 27–40 MHz lasting ~16 min, offset by ~1 h from the imaging burst of Zhang et al. (2025).
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Tentative detection of circularly polarized bursty radio emissions from the HD 189733 exoplanetary system using NenuFAR beamformed observations
NenuFAR beamformed Stokes-V data tentatively show a ~10σ left-hand circularly polarized burst from HD 189733 at 27–40 MHz lasting ~16 min, offset by ~1 h from the imaging burst of Zhang et al. (2025).