December 30, 2019 Updates Posted on December 30, 2019June 28, 2020 by Doug Loss Superflares on solar-type stars from the first year observation of TESS https://arxiv.org/abs/1912.11572 Long-lived Dust Rings around HD 169142 https://iopscience.iop.org/article/10.3847/2041-8213/ab5c87 Exoplanet Imitators: A Test of Stellar Activity Behavior in Radial Velocity Signals https://iopscience.iop.org/article/10.3847/1538-3881/ab53ec