The well-aligned orbit of WASP-84b: evidence for disc migration

D. R. Anderson, A. H. M. J. Triaud, O. D. Turner +12

We report the sky-projected orbital obliquity (spin-orbit angle) of WASP-84b, a 0.70-$M_{\mathrm{Jup}}$ planet in a 8.52-day orbit around a G9V/K0V star, to be $\lambda =0.3\pm 1.7^{\circ }$. W…