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g328asmallamplituderedvariablewithaperiodnearoneday
Baoan Yao1; Changjun Shen2; ChunSheng Zhang2; HanMing Hu3; Qing Lin1
2006
Source Publicationchinesejournalofastronomyandastrophysics
ISSN1009-9271
Volume6Issue:5Pages:517
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.
Language英语
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/28370
Collection中国科学院紫金山天文台
Affiliation1.中国科学院上海天文台
2.中国科学院紫金山天文台
3.中国科学院
Recommended Citation
GB/T 7714
Baoan Yao,Changjun Shen,ChunSheng Zhang,et al. g328asmallamplituderedvariablewithaperiodnearoneday[J]. chinesejournalofastronomyandastrophysics,2006,6(5):517.
APA Baoan Yao,Changjun Shen,ChunSheng Zhang,HanMing Hu,&Qing Lin.(2006).g328asmallamplituderedvariablewithaperiodnearoneday.chinesejournalofastronomyandastrophysics,6(5),517.
MLA Baoan Yao,et al."g328asmallamplituderedvariablewithaperiodnearoneday".chinesejournalofastronomyandastrophysics 6.5(2006):517.
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