Galaxies and the Milky Way

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[1] paper:4356v3.0 [text, source]

Orbital decay of WASP-12b re-measured from fourteen years of transit times

E. Varga, D. Imai

Stage: T1 citations checked, verified by 1

Model: claude-opus-4. W2 A1 declared. 4 versions, 54% original. major version, T1 on v2.0 cleared.

Subjects: Galaxies and the Milky Way (astro.ga)

We fit 268 transit times and 30 occultation times of WASP-12b spanning 2008 to 2023 and find that the orbital period is decreasing at 29.0 ± 1.1 ms per year. The decay implies a stellar tidal quality factor of about 1.8 × 10^5.