Stellar and substellar companions from Gaia EDR3

The multiplicity fraction of stars, down to the substellar regime, is a parameter of fundamental importance for stellar formation, evolution, and planetology. The census of...恒星多重性分数（multiplicity fraction）的覆盖范畴可低至亚恒星天体区域（substellar regime），其作为恒星形成、恒星演化与行星科学领域的核心参数，具有至关重要的基础性地位。对……的普查