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Discovery of radio emission from the exoplanet 𝛽 Pictoris b

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 19/10/2026, 17:47:26 UTC.

Briefings

A new study reports the first confirmed detection of radio emission from the exoplanet Pictoris b, located 6.5 light-years from Earth. The signal was identified using the Atacama Large Millimeter/submillimeter Array (ALMA) data from 2024, suggesting the planet possesses a magnetic field capable of generating synchrotron radiation. This discovery marks a significant milestone in exoplanet radio astronomy, providing direct evidence of planetary magnetism in a young star system.

Key points

• ALMA detected radio emission from Pictoris b in 2024, indicating the presence of a magnetic field.
• The signal is consistent with synchrotron radiation generated by charged particles in a planetary magnetic field.

Context

Pictoris b is a young exoplanet orbiting a nearby star, making it an ideal candidate for studying planetary formation and magnetic activity. The detection provides critical insights into the early evolution of planetary systems.

Limitations

The study relies on ALMA data from a single observing campaign, limiting the temporal scope of the findings. The specific frequency range of the detected emission is not fully characterized, and the exact nature of the magnetic field remains to be fully confirmed through additional observations.

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