Pulsation and long-term variability of the high-amplitude delta Scuti star AD canis minoris
文献类型:期刊论文
作者 | Chen, Li; Hang, Shi-Yang; Khokhuntod, Pongsak; Fu, Jian-Ning; Boonyarak, Chayan; Marak, Kanokwan |
刊名 | CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
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出版日期 | 2007 |
卷号 | 7期号:3页码:421-427 |
关键词 | Techniques : Photometric Stars : Variables : Delta Scuti Stars : Individual : Ad Cmi |
英文摘要 | Time-series photometry was made for the large-amplitude delta Scuti star AD CMi in 2005 and 2006. High-quality photometric data provided in the literature were used to analyze the pulsation of the star, with the derived multiple frequencies fitted to our new data. Besides the dominant frequency and its harmonics, one low frequency (2.27402 c d(-1)) is discovered, which provides a reasonable interpretation for the long-noticed luminosity variation at the maximum and minimum light. Combining the nine new times of light maxima determined from the new data with the 64 times collected from the literature, we analyzed the long-term variability of AD CMi with the O - C technique. The results provide the updated value of period of 0.122974478 days, and seem to be in favor of the model of combination of the evolutionary effect and light-time effect of a binary system, of which some parameters are hereby deduced. |
语种 | 英语 |
WOS记录号 | WOS:000247553300012 |
源URL | [http://ir.bao.ac.cn/handle/114a11/8916] ![]() |
专题 | 国家天文台_月球与深空探测研究部 |
作者单位 | 1.Naresuan Univ, Fac Sci, Phitsanulok 65000, Thailand 2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China 3.Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China |
推荐引用方式 GB/T 7714 | Chen, Li,Hang, Shi-Yang,Khokhuntod, Pongsak,et al. Pulsation and long-term variability of the high-amplitude delta Scuti star AD canis minoris[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2007,7(3):421-427. |
APA | Chen, Li,Hang, Shi-Yang,Khokhuntod, Pongsak,Fu, Jian-Ning,Boonyarak, Chayan,&Marak, Kanokwan.(2007).Pulsation and long-term variability of the high-amplitude delta Scuti star AD canis minoris.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,7(3),421-427. |
MLA | Chen, Li,et al."Pulsation and long-term variability of the high-amplitude delta Scuti star AD canis minoris".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 7.3(2007):421-427. |
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来源:国家天文台
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