Evidence item

The primary study reports S301’s 8.7-year orbit and approximately 25,000-km-per-second pericentre speed. MEASUREMENT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 22098

Source: Discovery of a star sensitive to the spin of Sagittarius A* · locator {} · excerpt hash sha256:2e79fa1c6fa6be172600ce1dd32fc99747c37ad82e484435f0b4f7960a1d4af4

The best-fit orbit is remarkable ... with a semi-major axis of a = 83 mas (33% smaller than that of S2) and an orbital period of 8.7 years ... At pericentre, S301 moves with about 25,600 km s−1 or 8.5% of c and 25,000 km s−1 or 8.3% of c, respectively.