南Blazhko星SS的光度学研究
A photometric study of the southern Blazhko star SS For Unambiguous detection of quintuplet components
摘要：
我们提出了我们的光度数据的分析在约翰逊B和V过滤器的南部Blazhko星SS为。与此同时，我们分析了2000年至2008年期间收集的ASAS-3光度测量获得的V观测结果。在我们的数据的傅立叶分析的频谱中，三重态结构是可检测到的高阶，无论是在B和V的数据。此外，我们发现五重组分的证据。我们从我们的数据中确认，调制分量比主频率的谐波下降得不那么陡。我们推导出了在Blazhko周期上量化光变曲线形状的傅里叶参数的变化。有很好的协议之间的光谱丰度和金属丰度从傅立叶参数的平均光变曲线确定。SS For是一颗特殊的Blazhko星，因为它在最低光附近有很强的变化。
英文摘要：
We present our analysis of photometric data in the Johnson B and V filter of the southern Blazhko star SS For. In parallel, we analyzed the V observations obtained with the ASAS-3 photometry of the star gathered between 2000 and 2008. In the frequency spectra resulting from a Fourier analysis of our data, the triplet structure is detectable up to high order, both in the B and V data. Moreover, we find evidence for quintuplet components. We confirm from our data that the modulation components decrease less steeply than the harmonics of the main frequency. We derived the variations of the Fourier parameters quantifying the light curve shape over the Blazhko cycle. There is good agreement between the spectroscopic abundance and the metallicity determined from the Fourier parameters of the average light curve. SS For is peculiar as a Blazhko star because of its strong variations around minimum light.
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