K2-113b: A dense hot-Jupiter transiting a solar analogue

We present the discovery of K2-113b, a dense hot-Jupiter discovered using photometry from Campaign 8 of the Kepler-2 (K2) mission and high-resolution spectroscopic follow up obtained with the FEROS spectrograph. The planet orbits a $V=13.68$ solar analogue in a $P=5.81760_{-0.00003}^{+0.00003}$ day orbit, has a radius of $0.93_{-0.07}^{+0.10}{R}_J$ and a mass of $1.29_{-0.14}^{+0.13}{M}_J$. With a density of $1.97_{-0.53}^{+0.60}$ gr/cm${}^3$, the planet is among the densest systems known having masses below 2 $M_J$ and $T_{eq}>1000$, and is just above the temperature limit at which inflation mechanisms are believed to start being important. Based on its mass and radius, we estimate that K2-113b should have a heavy element content on the order of $\sim$ 110 $M_{\oplus }$ or greater.