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G. Heald

2 articles · 30 co-authors · latest: 2026-07-02

Cosmic Waltz: How a White Dwarf Became a Radio Beacon

The system ASKAP J1745−5051 is a close binary where a magnetic white dwarf strips material from a red dwarf every 1.37 hours. The resulting radio bursts are so powerful that their brightness temperature exceeds 10^12 K, requiring a coherent emission mechanism — a cosmic analog of a laser. Spectrosco
arXiv:2606.04232v1 · 2026-06-02

Corkscrew Galaxy: How a Twisted Jet Reveals the Magnetic Signature of Clusters

The spiral radio jet of the 'Corkscrew Galaxy' served as a natural magnetometer: astronomers compared its bends with Faraday rotation measure and proved that RM oscillations are synchronous with its morphology. In the eastern part of the jet, rotation is generated by its own magnetic field, while in
arXiv:2607.02665v1 · 2026-07-02