journal6 ›› 2012, Vol. 33 ›› Issue (5): 56-58.DOI: 10.3969/j.issn.1007-2985.2012.05.014

• 物理与电子 • 上一篇    下一篇

Blazar 3C454.3长期偏振变化的周期分析

  

  1. (广州大学实验中心,广东 广州510006)
  • 出版日期:2012-09-25 发布日期:2012-11-30
  • 作者简介:袁聿海(1980- ),男,山东青州人,广州大学实验中心实验师,博士,主要从事天体物体研究.
  • 基金资助:

    国家自然科学基金资助项目 (10633010)

Long-Term Polarized Variability of Blazar 3C454.3

  1. (Experiment Center,Guangzhou University,Guangzhou 510006,China)
  • Online:2012-09-25 Published:2012-11-30

摘要:针对Blazar 3C454.3的长期偏振变化现象,采用Power Spectrum方法分析其变化周期,结果显示其变化周期是τ1=17.9a,τ2=6.9a和τ3=3.9a.利用bin=10 d得到各个分段的谱指数和平均偏振度,发现两者之间存在一定的相关性.

关键词: blazar, 单个, 功率谱, 偏振变化

Abstract: Based on the long-term polarized variability of Blazar 3C4543,the authors use the power spectrum to analyze its periodicity,and obtain that the periodicities are τ1=17.9 year,τ2=6.9 year and τ3=3.9 year.Using bin=10 days,the author obtain the spectral index and averaged polarization,and get weak correlation between them.

Key words: Blazar, individual, power spectrum, polarized variability

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