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Sco X-1中kHz QPO观测性质研究

16 Jun 2022, 14:15
15m

Speaker

贾淑梅 (IHEP)

Description

慧眼卫星首次在最高能段(>20 keV)探测到了kHz QPO信号,这对kHz QPO起源于吸积盘内边缘的理论模型提出挑战。利用慧眼和RXTE卫星数据,确认了6 keV以下不存在kHz QPO信号,说明它不会直接来源于吸积盘或中子星表面;通过能谱和rms谱的联合拟合,将kHz QPO的起源定位于转换层内侧,进而提出一个新的kHz QPO模型。
Topic X射线双星

Primary author

贾淑梅 (IHEP)

Presentation materials