| SN1987A晚期X射线辐射的分析 |
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| 引用本文： | 吴皓,邓劲松,施建荣,尤峻汉. SN1987A晚期X射线辐射的分析[J]. 中国天文和天体物理学报, 1998, 0(4) |
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| 作者姓名： | 吴皓 邓劲松 施建荣 尤峻汉 |
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| 作者单位： | 上海交通大学应用物理系 |
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| 摘 要： | 在中央中子星吸积模型较好地解释了超新星ＳＮ１９８７Ａ晚期光度演化的基础上，本文提出了ＳＮ１９８７Ａ晚期Ｘ射线辐射的一种新的解释．利用模型计算出的吸积光度以及ＳＮ１９８７Ａ膨胀气体包层的化学组分及分布，计算了出射的软Ｘ射线（０．５２ｋｅＶ）光度的演化，并与观测作了比较．我们认为ＳＮ１９８７Ａ晚期由中央中子星吸积产生的软Ｘ射线光度经过一段时间的增长后，将在４１００天左右开始下降．
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| 关 键 词： | SN1987A X射线 热轫致辐射 |
Analysis of the Soft X Ray Emission of SN 1987A |
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| WU Hao DENG Jin song SHI Jian rong YOU Jun han. Analysis of the Soft X Ray Emission of SN 1987A[J]. Chinese Journal of Astronomy and Astrophysics, 1998, 0(4) |
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| Authors: | WU Hao DENG Jin song SHI Jian rong YOU Jun han |
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| Abstract: | Following the reasonable explanation of the evolution of the SN 1987A's bolometric luminosity at the later phase by the accretion model, we suggest that the observed soft X ray originates in the accretion of the central neutron star. Results of our model calculation are consistent with the observations. We predict that the observed X ray flux will increase only for a certain length of time, and will begin to decrease around day 4100. |
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