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Evidence item

The 1.25-kG inference is a lower limit for the field at the radio-emission source, not a direct global-field measurement. DIRECT_TEXT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 25036

Source: Discovery of radio emission from the exoplanet β Pictoris b · locator {} · excerpt hash sha256:dba27c81cab67fd98f70894a70ad5098a437527920cfc0ae32ee77cb7c9f5ffd

Exact excerpt
A direct observable signature is auroral radio emission produced by the electron cyclotron maser instability, whose highest emitted frequency is set by the magnetic field strength at its source... We detect... emission at frequencies of 0.85 to 3.5 GHz. We identify the emission as electron cyclotron maser radiation, which implies a magnetic field of ≳1.25 kG at the planet.

Linked claims

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