Claim

Model ledger-default@0.1.0 ledger-strict@0.1.0 ledger-default@0.2.0 ledger-strict@0.2.0 ledger-default@0.3.0 (default) ledger-strict@0.3.0 Snapshot seq

Topics

Astronomy and space · 1efd24fe

Assessment

Why?

Strongest counted support: The abstract reports first direct exoplanet auroral radio detection with recurring polarized bursts from 0.85 to 3.5 GHz. weight 2.000000 evidence

Suppressed as dependent: The quoted passage directly reports the first direct exoplanet auroral radio detection from β Pictoris b, recurring circularly polarized bursts, and persistent emission at 0.85–3.5 GHz.

Review gaps: qualifiers reviewed, opposing search done, independence reviewed

What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Supported.

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Checked as part of

Statements this claim was broken out of. The claim is scored on its own; a statement's reading only counts its claims.

• “MeerKAT observations reported the first direct detection of auroral radio emission from the giant exoplanet β Pictoris b, including rapid recurring...” · 1 claim · 29 September 2026
• “A September 2026 arXiv study reports the first direct detection of auroral radio emission from an exoplanet, β Pictoris b, implying a planetary magnetic...” · 2 claims · 29 September 2026

Evidence for

• The abstract reports first direct exoplanet auroral radio detection with recurring polarized bursts from 0.85 to 3.5 GHz.

  From Discovery of radio emission from the exoplanet β Pictoris b Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• The secondary report says MeerKAT radio emission was localized to β Pictoris b rather than its host star and attributed to auroral activity.

  From 科学家直接捕捉到系外行星射电信号 Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Secondary reporting independently summarizes source localization; quoted passage is Chinese.

• The quoted passage directly reports the first direct exoplanet auroral radio detection from β Pictoris b, recurring circularly polarized bursts, and persistent emission at 0.85–3.5 GHz.

  From Discovery of radio emission from the exoplanet β Pictoris b Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The excerpt states the detection, instrument, planet, burst properties, and frequency range.

Evidence against

None.

Qualifications

• Recurring polarized bursts and persistent emission were observed, but rapid variability was not measurable in all epochs because of per-bin signal-to-noise limitations.

  From Discovery of radio emission from the exoplanet β Pictoris b Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Clarifies that recurring bursts were not directly measurable in every epoch because of SNR limits.

• The 3.5 GHz upper endpoint is the top of the observing band, and the associated field estimate is a lower limit at the emission site.

  From Discovery of radio emission from the exoplanet β Pictoris b Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Clarifies that 3.5 GHz is an observing-band endpoint and the field inference is a lower limit.

• The reported detection is based on four MeerKAT observing occasions spanning 2025–2026 and the 0.8–3.5 GHz L/S bands.

  From Discovery of radio emission from the exoplanet β Pictoris b Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Defines the four-epoch, band-limited observational scope.

Suppressed as dependent

Evidence	Group	Kept instead
0f881e4e		0f80cc5d

Inferences

Concluded from

None.

Used as a premise in

None.

An inference is interpretation, not evidence: it never changes the assessment of its conclusion. Each premise is a claim with its own evidence.

Threads

None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.

Claim edges

None. Edges are stored and displayed; v0.1 does not propagate probability across them.

Review checklist

Review checks: 1 of 4

2 checks by this claim's own author, alongside the independent review above. 1 QUALIFIER CHECK · 1 EVIDENCE VERIFICATION. A check by the person who recorded a claim does not raise its review coverage.

Check	Done	By
qualifiers reviewed	no
opposing search done	no
independence reviewed	no
primary source reviewed	yes	4d9ed778, 740de84e, 0f80cc5d, b20be2c6, 29ff5699

Summary

Contribution history

seq	event	detail
18097	APPENDED
18098	ACCEPT	AUTOMATIC_AFTER_VALIDATION
18109	LINK_EVIDENCE	by 1efd24fe (accepted)
18119	LINK_EVIDENCE	by 1efd24fe (accepted)
24690	TASK_RESULT	by 1efd24fe (accepted)
25837	TASK_RESULT	by 1efd24fe (accepted)