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G328: A small-amplitude red variable with a period near one day
Yao, Bao-An; Shen, Chang-Jun; Zhang, Chun-Sheng; Hu, Han-Ming; Lin, Qing
2006
发表期刊CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
ISSN1009-9271
卷号6期号:5页码:517-520
摘要G328 = A65 = L3314 (V = 13.83, B - V = 1.91) is a field star in the direction of the globular cluster M4. If we take E(B - V) 0.40, then its (B - V)(0) = 1.51, corresponding to a spectral type of K5III if it is a giant star; or of dM2 if it is a dwarf. Observations at both the MSSSO and Yunnan Observatory have shown that G328 is a new variable with peak to peak amplitude similar or equal to 0.05 mag in V. While it is not unusual for so red a star to be a variable, special attention must be paid to its short period of about one day. If the variability is due to pulsation, the spectral type and luminosity as well as effective temperature should be determined in order to compare it with Xiong's theory.
文章类型Article
关键词Stars : Variables Stars : Individual (G328)
WOS标题词Science & Technology ; Physical Sciences
学科领域Astronomy & Astrophysics
收录类别SCI
语种英语
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000241487800002
引用统计
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/11204
专题院士文集_熊大闰
作者单位1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China
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Yao, Bao-An,Shen, Chang-Jun,Zhang, Chun-Sheng,et al. G328: A small-amplitude red variable with a period near one day[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2006,6(5):517-520.
APA Yao, Bao-An,Shen, Chang-Jun,Zhang, Chun-Sheng,Hu, Han-Ming,&Lin, Qing.(2006).G328: A small-amplitude red variable with a period near one day.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,6(5),517-520.
MLA Yao, Bao-An,et al."G328: A small-amplitude red variable with a period near one day".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 6.5(2006):517-520.
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