Orbital period analyses for the CVs inside the period gap | |
Dai ZB(戴智斌)1,2; Qian SB(钱声帮)1,2 | |
发表期刊 | Memorie della Societa Astronomica Italiana |
2012 | |
卷号 | 83期号:1页码:614-618 |
产权排序 | 第1完成单位 |
收录类别 | 其他 |
关键词 | Stars: Cataclysmic Variables Stars : Binaries : Close |
摘要 | All 13 eclipse CVs inside period gap are investigated. Considering that most CVs inside period gap lack the enough data accumulation, We only choose five objects to make orbital period analysis including a prototype polar AM Her and pre-CVs HW Vir. Although AM Her is not an eclipsing CVs, the facts that its orbital period locates in the upper edge of gap and it has a stable timing system suggest that AM Her should be a significant object for the study of period gap. All orbital period analyses for the CVs inside period gap never indicates any secular evolution information, which may suggest that the CVs inside period gap have a different evolution end. Moreover, the complex O-Cs variations can be explained by the light trave-time effect. It means that there are many substellar objects surrounding the CVs. |
资助项目 | West Light Foundation of the Chinese Academy of Sciences and Chinese Natural Science Foundation[11003040] |
项目资助者 | West Light Foundation of the Chinese Academy of Sciences and Chinese Natural Science Foundation[11003040] |
语种 | 英语 |
学科领域 | 天文学 ; 恒星与银河系 ; 恒星天文学 |
学科门类 | 理学 ; 理学::天文学 |
文章类型 | Article |
URL | 查看原文 |
归档日期 | 2013-10-09 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ynao.ac.cn/handle/114a53/5871 |
专题 | 双星与变星研究组 中国科学院天体结构与演化重点实验室 |
作者单位 | 1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, P. O. Box 110, 650011 Kunming, P. R. China 2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, P. R. China |
第一作者单位 | 中国科学院云南天文台 |
推荐引用方式 GB/T 7714 | Dai ZB,Qian SB. Orbital period analyses for the CVs inside the period gap[J]. Memorie della Societa Astronomica Italiana,2012,83(1):614-618. |
APA | Dai ZB,&Qian SB.(2012).Orbital period analyses for the CVs inside the period gap.Memorie della Societa Astronomica Italiana,83(1),614-618. |
MLA | Dai ZB,et al."Orbital period analyses for the CVs inside the period gap".Memorie della Societa Astronomica Italiana 83.1(2012):614-618. |
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