Expected Occurrence Rates and Types of Planets Possible in the Alpha Centauri AB System

Belikov, Ruslan ; Bendek, Eduardo ; Sirbu, Dan ; Quarles, Billy

关键词: BINARY STARS;    CENTAURUS CONSTELLATION;    DWARF STARS;    GAS GIANT PLANETS;    HABITABILITY;    KEPLER MISSION;    PROBABILITY THEORY;    RADIAL VELOCITY;    STABILITY;   

RP-ID  :  ARC-E-DAA-TN69636

学科分类：天体物理学

美国|英语

来源: NASA Technical Reports Server

【 摘 要 】

Alpha Centauri AB system contains the closest Sun-like stars to the Sun, by a large margin (factor of 2.4). Thus, they are important targets for the search of Earth-like planets. A critical question is whether such planets can exist in the system, and what their expected occurrence rate is. This paper surveys the current knowledge of occurrence rates, limits from nondetections, constraints from observations, and dynamical stability simulations, in order to answer this question.