Disk-Corona Model in Active Galactic Nuclei： an Observational Test

• 作 者: Fang Yang Chen Hu Yan-Mei Chen
• 机 构: KeyLaboratoryforParticleAstrophysics,GraduateSchoolofChineseAcademyofSciences,NationalAstronomicalOb
• 出 处: 中国天文和天体物理学报：英文版
• 发表日期: 2007年3期
• 关键词: 星系 圆形物质 天体物理学 银河系 accretion accretion disks - galaxies active - magnetic fields
• 基金项目: Supported by the National Natural Science Foundation of China.Acknowledgements This research has made use of the Tartarus （Version 3.1） database, created by Paul 0＇Neill and Kirpal Nandra at Imperial

We compiled a sample of 98 radio-quiet active galactic nuclei observed by ASCA, Chandra, XMM-Newton, INTEGRAL and Swift with the aim of testing the formation of hot corona and the magnetic shear stress operating in a disk-corona system. We found a strong