Tootfinder

Four Sub-Earth Planets Orbiting #Barnard'sStar from MAROON-X and ESPRESSO: https://iopscience.iop.org/article/10.3847/2041-8213/adb8d5 -> "The signals from all four planets are <50 cm s−1, the minimum masses of the planets range from 0.19 to 0.34 M⊕, and the system is among the most compact known among late M dwarfs hosting low-mass planets."