NAOC Open IR  > 月球与深空探测研究部
Pulsation and long-term variability of the high-amplitude delta Scuti star AD canis minoris
Khokhuntod, Pongsak; Fu, Jian-Ning; Boonyarak, Chayan; Marak, Kanokwan; Chen, Li; Hang, Shi-Yang
2007
Source PublicationCHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
Volume7Issue:3Pages:421-427
AbstractTime-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.
KeywordTechniques : Photometric Stars : Variables : Delta Scuti Stars : Individual : Ad Cmi
Indexed BySCI
Language英语
WOS IDWOS:000247553300012
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8916
Collection月球与深空探测研究部
Affiliation1.Naresuan Univ, Fac Sci, Phitsanulok 65000, Thailand
2.Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Khokhuntod, Pongsak,Fu, Jian-Ning,Boonyarak, Chayan,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 Khokhuntod, Pongsak,Fu, Jian-Ning,Boonyarak, Chayan,Marak, Kanokwan,Chen, Li,&Hang, Shi-Yang.(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 Khokhuntod, Pongsak,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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