November 18, 2021 updates Posted on November 18, 2021 by Doug Loss Nii: a Bayesian orbit retrieval code applied to differential astrometry https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab3317/6430178 Secular chaos in white-dwarf planetary systems: origins of metal pollution and short-period planetary companions https://arxiv.org/abs/2111.08716 The HD 137496 system: A dense, hot super-Mercury and a cold Jupiter https://arxiv.org/abs/2111.08764 Planets or asteroids? A geochemical method to constrain the masses of White Dwarf pollutants https://arxiv.org/abs/2111.08779 Analysis of Early Science observations with the CHaracterising ExOPlanets Satellite (CHEOPS) using pycheops https://arxiv.org/abs/2111.08828 Search for Exoplanets around Northern Circumpolar Stars V. Three likely planetary companions to the giant stars HD 19615, HD 150010, and HD 174205 https://arxiv.org/abs/2111.08899 KMT-2018-BLG-1988Lb: microlensing super-Earth orbiting a low-mass disk dwarf https://arxiv.org/abs/2111.08955 New results on orbital resonances https://arxiv.org/abs/2111.09289