Evolution of Stellar Disks

恒星盘的演化

• 批准号: 9618548
• 负责人: Peter Bodenheimer
• 金额: $ 27万
• 依托单位: University of California-Santa Cruz
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1997
• 资助国家: 美国
• 起止时间: 1997-07-01 至 2001-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9618548&HistoricalAwards=false
• 关键词: Evolution; Stellar; Disks

Bodenheimer, Peter AST 96-18548 The discovery of extrasolar planets around solar-type stars, and the observational evidence that many very young stars are surrounded by proto-stellar disks, indicate that disk and planet formation occur frequently. The characteristics of planetary systems and the early evolution of young stellar objects are determined by the formation, evolution, and the dispersal of the disks that surround forming stars. Drs. Bodenheimer and Lin will investigate the basic physical processes that determine fundamental aspects of disk evolution : 1) the formation of protostellar disks, 2) the disk evolution which sets the stage for protoplanetary formation, and 3) the depletion of the residual disks. Their calculations will help in identifying the disk evolutionary timescales and the likely outcome of protoplanet formation.

Bodenheimer，Peter AST 96-18548在太阳能恒星周围发现了极性行星，并且观察性的证据表明，许多非常年轻的恒星被原始恒星磁盘包围，表明磁盘和行星形成经常发生。 行星系统的特征和年轻恒星物体的早期演变取决于围绕恒星的圆盘的形成，进化和分散。 博士。 Bodenheimer和Lin将研究确定磁盘进化基本方面的基本物理过程：1）Protostellar磁盘的形成，2）磁盘的演化为原动性形成奠定了阶段，以及3）残基磁盘的耗竭。他们的计算将有助于识别磁盘进化时间尺度和原球星形成的可能结果。