Evidence item
The passage directly links electron-cyclotron-maser emission from Beta Pictoris b to a magnetic field of at least 1.25 kG and calls it the first direct exoplanet field-strength measurement. DIRECT_TEXT
Source: Discovery of radio emission from the exoplanet β Pictoris b · locator {} · excerpt hash sha256:7830a8e14f0a23a9464303b4021679e67e949b7b1a79a44f54bbc7838d116869
Exact excerpt
Here, we report the first direct detection of auroral radio emission from an exoplanet, the giant planet β Pictoris b, with the MeerKAT array. We detect rapid, recurring, and highly circularly polarized bursts, as well as persistent 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 — the first such direct field strength measurement for an exoplanet.
Linked claims
| Claim | Direction | Relevance | Steps | Counted |
|---|---|---|---|---|
| a333f633 | SUPPORT | DIRECT | 0 | yes |
Audits
None.