周期图形态及其分类的初步分析
Preliminary analysis of periodogram shapes and their classification
摘要：
对GCVS中记录的47颗RV型星进行了周期图分析。这里应用于RV型星的研究方法以前曾应用于长周期变星、米拉型星和半变星。周期图以前是根据它们的形状分类的，或者更确切地说是根据某些结构的存在或不存在：两个峰的比例为2：1，这些峰处的卫星的存在表明拍的结果。表1显示了分类组。所有三个组的恒星周期图的例子都显示出来。该研究确定了最有可能不属于RV金牛座类型的恒星。我们对SU Gem星进行了详细的研究，结果表明它具有Mira型或半正则型的光变特征。结果总结见表2。元素计算数据库AAVSO，AFOEV和ASAS。根据我们的研究，GCVS中规定的50天的时间并没有显示出来。根据不同数据库的观察，684天的期限在682天至715天的范围内指定。
英文摘要：
A periodogram analysis of 47 stars noted in GCVS as RV-type stars was carried out. The research methods applied here to RV-type stars have previously been applied to long-period variables Mira-type stars and semi-variables. Periodograms are previously classified by their shape, or rather the presence or absence of certain structures: two peaks in a 2:1 ratio, the presence of satellites at these peaks indicating the result of beats. Table 1 shows the classification groups. Examples of periodograms of stars of all three groups are shown. The study identified stars that most likely do not belong to the RV Taurus type. The star SU Gem has been studied in detail, which shows rather the variability characteristic of the Mira-type or semi-regular. A summary of the results is given in table 2. The elements was calculated on databases AAVSO, AFOEV and ASAS. The period of 50 days specified in GCVS was not revealed according to our researches. According to the observations of different databases, the period of 684 days is specified in the range from 682 to 715 days.
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