January 25, 2019 updates Posted on January 25, 2019June 28, 2020 by Doug Loss The HARPS search for southern extra-solar planets – XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions https://www.aanda.org/articles/aa/abs/2019/02/aa31173-17/aa31173-17.html High-resolution confirmation of an extended helium atmosphere around WASP-107b https://arxiv.org/abs/1901.08073 Giant planets and brown dwarfs on wide orbits: a code comparison project https://arxiv.org/abs/1901.08089 Gas flow around a planet embedded in a protoplanetary disc: the dependence on the planetary mass https://arxiv.org/abs/1901.08253 Low-Eccentricity Formation of Ultra-Short Period Planets in Multi-Planet Systems https://arxiv.org/abs/1901.08258 Truly eccentric. I. Revisiting eight single-eccentric planetary systems https://arxiv.org/abs/1901.08471 Truly eccentric. II. When can two circular planets mimic a single eccentric orbit? https://arxiv.org/abs/1901.08472 Transit timing variations, radial velocities and long-term dynamical stability of the system Kepler-410 https://arxiv.org/abs/1901.08485 Origin of life’s building blocks in Carbon and Nitrogen rich surface hydrothermal vents https://arxiv.org/abs/1901.08542 Rapid falling of an orbiting moon to its parent planet due to tidal-seismic resonance https://arxiv.org/abs/1901.08561