October 22, 2019 updates Posted on October 22, 2019June 28, 2020 by Doug Loss Center for Exoplanets and Habitable Worlds https://exoplanets.psu.edu/ No further evidence for a transiting inner companion to the hot Jupiter HATS‐50b https://onlinelibrary.wiley.com/doi/10.1002/asna.201913649 Revised Astrometric Calibration of the Gemini Planet Imager https://arxiv.org/abs/1910.08659 Are long-term N-body simulations reliable? https://arxiv.org/abs/1910.08667 Exoplanet direct imaging in ground-based conditions on THD2 bench https://arxiv.org/abs/1910.09064 2I/Borisov: A C2 depleted interstellar comet https://arxiv.org/abs/1910.09078 Temporal Variability in Hot Jupiter Atmospheres https://arxiv.org/abs/1910.09523