Formation and Evolution of Disks Around Young Stellar Objects

Bo Zhao*, Kengo Tomida, Patrick Hennebelle, John J. Tobin, Anaëlle Maury, Tomoya Hirota, Álvaro Sánchez-Monge, Rolf Kuiper, Anna Rosen, Asmita Bhandare, Marco Padovani, Yueh Ning Lee

*此作品的通信作者

研究成果: 雜誌貢獻回顧評介論文同行評審

14 引文 斯高帕斯(Scopus)

摘要

Recent observations have suggested that circumstellar disks may commonly form around young stellar objects. Although the formation of circumstellar disks can be a natural result of the conservation of angular momentum in the parent cloud, theoretical studies instead show disk formation to be difficult from dense molecular cores magnetized to a realistic level, owing to efficient magnetic braking that transports a large fraction of the angular momentum away from the circumstellar region. We review recent progress in the formation and early evolution of disks around young stellar objects of both low-mass and high-mass, with an emphasis on mechanisms that may bridge the gap between observation and theory, including non-ideal MHD effects and asymmetric perturbations in the collapsing core (e.g., magnetic field misalignment and turbulence). We also address the associated processes of outflow launching and the formation of multiple systems, and discuss possible implications in properties of protoplanetary disks.

原文英語
文章編號43
期刊Space Science Reviews
216
發行號3
DOIs
出版狀態已發佈 - 2020 四月 1

ASJC Scopus subject areas

  • 天文和天體物理學
  • 空間與行星科學

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