The Structure of the Broad-Line Region in Active Galactic Nuclei

活动星系核中宽线区的结构

• 批准号: 9420080
• 负责人: Bradley Peterson
• 金额: --
• 依托单位: Ohio State University Research Foundation -DO NOT USE
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1995
• 资助国家: 美国
• 起止时间: 1995-02-01 至 2000-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9420080&HistoricalAwards=false
• 关键词: Structure; Broad; Line; Region; Active

Abstract AST-9420080 Peterson, Bradley M. . The variability of the broad emission lines in the spectra of active galactic nuclei (AGN) reveals fundamental information about the structure and kinematics of the line-emitting region and about the nature of the central source. Broad emission lines arise in clouds that are photoionized by a central continuum source and respond to variations in the continuum flux with a delay due to light-travel time; the structure and velocity field of the broad-line region can be determined by closely monitoring the response of the emission lines as the region reverberates in response to the continuum variations, making repeated observations of a limited number of sources. This is an ongoing project, as part of the International AGN Watch.

摘要 AST-9420080 Peterson，布拉德利M. . 活动星系核（AGN）光谱中宽发射线的变化揭示了有关线发射区域的结构和运动学以及中心源性质的基本信息。宽发射线出现在云的光致电离的中央连续源和响应的变化，在连续通量的延迟，由于光的传播时间;的结构和速度场的宽线区域可以通过密切监测响应的发射线的响应，因为该区域的连续变化的响应混响，使有限数量的源的重复观测。这是一个正在进行的项目，是国际活动星系核观察的一部分。