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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
Source PublicationCHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
ISSN1009-9271
Volume6Issue:5Pages:517-520
AbstractG328 = 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.
KeywordStars : Variables Stars : Individual (G328)
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000241487800002
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/11204
Collection院士文集_熊大闰
Affiliation1.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
Recommended Citation
GB/T 7714
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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