激变变星
- 网络cataclysmic variable;CVs
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新发现的X射线选活动星系核、白矮星和激变变星
Discovery of X-ray Selected AGNs , a White Dwarf and a Cataclysmic Variable
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SUUMa-type矮新星属于激变变星,其特征是存在扩大了的爆发即超爆发。
Su UMa-type dwarf novas belong to cataclysmic variable stars , whose character is magnified explosion , i.e. , super-explosion .
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活动双星和dMe型星(猎犬RS型星,dMe型星,大陵五,激变变星,大熊W型星,活动超巨星);
Active binaries and dMe stars ( RS CVn stars ; dMe stars ; Algol ; cataclysmic variables ; W UMa stars ; active supergiants );
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通过对ROSAT亮X射线源光学对应体的证认,我们已经发现了7个激变变星。
By identifying the optical objects of the ROSAT bright X - ray sources , 7 cataclysmic variables ( CVs ) have been discovered .
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我们对周期小于周期分布空缺段的激变变星(CVs),重新进行了周期分布统计,使用了比Warner等人更多、更新的资料。
Using more data than Warner et al . , we perform statistics on the period distribution of CVs whose period is lower than the orbital period gap .
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利用PCA降维,大大减少了高维光谱数据的维度空间,然后利用BP人工神经网络进行筛选,提高了激变变星搜寻的准确率,减少了模型训练时间。
By PCA dimension reduction , the high dimensional data space has been greatly reduced , and after that , BP ANN is used to screen out rare celestial objects with high accuracy . In this way , the training time becomes shorter .
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对各种方法得到的结果进行时间、类CVs个数等综合分析和比较。比较不同方法筛选出激变变星的候选体,并分析其原因。
Comprehensive analysis and compare the test results obtained on the various methods on time , star-rate , The results obtained on the various methods for time , star-rate , etc. Different methods select its cataclysmic variable star candidates , and analyze the causes .
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虽然结果与Warner等人的不同,但周期分布同磁场仍呈现一定的相关性,磁激变变星(MCVs)与非磁激变变星(NMCVS)同样显示出成团趋势。
Though the result differs from that of Warner et al . , the period distribution appears related with magnet . Both magnetic CVs ( MCVs ) and the nonmagnetic CVs ( NMCVs ) show a tendency of clustering .
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激变变星中吸积盘的边界层问题
The Problem of the Boundary Layer of Accretion Disks in Cataclysmic Variables
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激变变星的辐射模型和多色测光的对比研究
A Radiation Model for Multi-color Photometry of Cataclysmic Variables
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短周期激变变星周期分布的新统计
Newly Statistics on the Period Distribution of Short-Period CVs
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激变变星0623+71的光谱研究
The spectroscopic study of cataclysmic variable 0623 + 71
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激变变星中的快速光变
Rapid Variations in Brightness of Cataclysmic Variables
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激变变星的多波段研究(Ⅰ)(英文)
Multi-waveband Studies of Cataclysmic Variables (ⅰ)
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间隙时间序列谱分析方法的检验及其在激变变星短周期振荡分析中的应用
A test for the spectral analysis of gapped time series and its application in analysing the short period oscillations of cataclysmic variables
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给出了这7个激变变星的低色散光谱,并根据它们的光谱特征及其它性质进行了讨论。
In this paper , the low - dispersion spectrums of the 7 CVs and discuss their spectroscopic and other properties were given .
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该方法不仅对激变变星适用,对于其它类别的特殊天体也是适用的。
The method can be used not only to search the Cataclysmic Variable stars but also to find other types of special objects .
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本文从射电、红外、可见光三个波段对激变变星的观测现象,如流量分布、光变曲线、驼峰现象和闪烁现象,以及对这些观测现象的理论解释作一简单介绍。
In this paper , we introduce some observational characteristics about Cataclysmic Variable at the radio , infrared and optical band , such as flux distribution , light curve , hump phenomenon and flickering . We also present some simple theoretical explanations of them .
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恒星光谱一般具有明显的吸收线或者吸收带特征,而具有发射线的恒星光谱对应着特殊类型的恒星,如激变变星、HerbigAe/Be等。对这些光谱的后续研究有着重要的意义。
Stellar spectra are characterized by obvious absorption lines or absorption bands , while those with emission lines are usually special stars such as Cataclysmic Variable stars ( CVs ), HerbigAe / Be etc. The further study of this kind of spectra is meaningful .
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激变食变星PG0027+260的CCD光变曲线
A CCD Light Curve of the Eclipsing Cataclysmic Variable PG0027 + 260