Ultra-Short-Period Planets in K2. III. Neighbors Are Common with 13 New Multiplanet Systems and 10 Newly Validated Planets in Campaigns 0–8 and 10
Elisabeth R. Adams et al 2021 Planet. Sci. J. 2 152
New analysis of 74 candidate ultra-short-period planets in K2 data reveal a large fraction in multiplanet systems, supporting origin models that involve dynamical interactions with exterior planets.