| XBLs和平谱射电类星体间峰值频率与光谱指数的相关性分析 |
| |
| 引用本文： | 丁世学.XBLs和平谱射电类星体间峰值频率与光谱指数的相关性分析[J].华中师范大学学报(自然科学版),2004,38(4):430-432,440. |
| |
| 作者姓名： | 丁世学 |
| |
| 作者单位： | 襄樊学院,物理系,湖北,襄樊,441053 |
| |
| 基金项目： | 湖北省教育厅重点科研项目(2003A001). |
| |
| 摘 要： | 对Fossati等人的研究中所给出的Blazars样本分别计算同步辐射峰值频率及射电到X射线的宽波段光谱指数;在此基础上研究了XBLs和平谱射电类星体间的峰值频率与光谱指数的相关性质.结果表明:两者之间存在着较强的相关性质,XBLs和平谱射电类星体位于不同的区域,满足αrx<0.75和αrx>0.75.这意味着它们之间的能谱分布形状是有差异的,因而有助于我们了解其内部辐射机制.
|
| 关 键 词： | Blazars 峰值频率 谱能分布 非热辐射 |
| 文章编号： | 1000-1190(2004)04-0430-03 |
The correlation between broad-band spectral index and peak frequency for XBLs and FSRQs |
| |
| DING Shi-xue.The correlation between broad-band spectral index and peak frequency for XBLs and FSRQs[J].Journal of Central China Normal University(Natural Sciences),2004,38(4):430-432,440. |
| |
| Authors: | DING Shi-xue |
| |
| Abstract: | Using the sample of XBLs and flat-spectrum radio-loud quasars presented by Fossati et al.(1998), we calculated the broad-band spectral index from radio to X-ray and peak frequency of each source respectively. We also made a statistical analysis between broad-band spectral index and peak frequency for XBLs and FSRQs. The main results are as follows: There are very strong correlations between broad-band spectral index and peak frequency for XBLs and FSRQs. It is helpful for us to understand the radiation mechanism for these different kinds of blazers. |
| |
| Keywords: | Blazars peak frequency SEDs non thermal radiation |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《华中师范大学学报(自然科学版)》浏览原始摘要信息 |
| 点击此处可从《华中师范大学学报(自然科学版)》下载免费的PDF全文 |
