April 16, 2018 updates Posted on April 16, 2018June 28, 2020 by Doug Loss New inner boundaries of the habitable zones around M dwarfs https://www.sciencedirect.com/science/article/pii/S0012821X18301985 Binary companions of evolved stars in APOGEE DR14: Search method and catalog of ~5,000 companions https://arxiv.org/abs/1804.04662 Puzzling out the coexistence of terrestrial planets and giant exoplanets. The 2/1 resonant periodic orbits https://arxiv.org/abs/1804.04936 Analytical Models of Exoplanetary Atmospheres. VI. Full Solutions for Improved Two-stream Radiative Transfer Including Direct Stellar Beam https://arxiv.org/abs/1804.04961 FastChem: A computer program for efficient complex chemical equilibrium calculations in the neutral/ionized gas phase with applications to stellar and planetary atmospheres https://arxiv.org/abs/1804.05010 A Revised Exoplanet Yield from the Transiting Exoplanet Survey Satellite (TESS) https://arxiv.org/abs/1804.05050 Spaceflight from Super-Earths is difficult [Serious version of the April Fool’s idea previously posted] https://arxiv.org/abs/1804.04727 An Improved Transit Measurement for a 2.4 R_{Earth} Planet Orbiting A Bright Mid-M Dwarf K2−28 https://arxiv.org/abs/1801.10177