Evidence item

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

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 18117

Source: 科学家直接捕捉到系外行星射电信号 · locator {} · excerpt hash sha256:d434d2cddc9be4f8538bbedb6b997760b0c4e1f81c075a2190cbfc36d475d54b

如今，研究团队首次直接捕捉到一颗系外行星的射电信号，源自行星强磁场激发的极光。高能带电粒子沿行星磁力线奔涌，撞击高层大气，便点亮极光。为锁定来源，他们把射电图像与遥远背景类星体的精确位置比对，借类星体作“固定标尺”，精确确定了恒星和行星的位置。当射电图像叠加到天体位置图上，信号与β Pictoris b重合，而非其母恒星。