GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc

Evan Tey, Avi Shporer, Zifan Lin +30

We report the discovery of the transiting planet GJ 238 b, with a radius of $0.566\pm 0.014$ R${}_{\oplus }$ ($1.064\pm 0.026$ times the radius of Mars) and an orbital period of 1.74 da…