| The variations in light and color curves and possible short period oscillations of the binary AU Serpentis | |
Li, ZY1; Ding, YR1; Zhang ZS(张周生)2 ; Li YL(李玉兰)2
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| 发表期刊 | ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
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| 1998-07 | |
| 卷号 | 131期号:1页码:115-118 |
| DOI | 10.1051/aas:1998256 |
| 产权排序 | 第2完成单位 |
| 收录类别 | SCI |
| 关键词 | Binaries : Close Stars : Activity Stars : Oscillations Stars : Individual : Au Ser |
| 摘要 | We have photometrically monitored AU Ser for five years, It is considered to be a binary in poor thermal contact (Kaluzny 1986) or in detachment (Djurasevic 1993), The addition of new minimum times slightly modified the light ephemeris of Binnendijk (1972). The value and sign of the O'Connell effect have been changing with time. A remarkable Variation of the difference between minimum depths in light. curves has taken place in the period from 1991 to 1995. These variations in light curves are not expected by TRO theory but reminiscent of the situation in VW Cep, Our data, along with Binnendijk's, show a variation in color curves especially for 1995 observations. The variations in light and color curves might be straightforwardly explained by the distortion of starspot(s), Possible oscillations with short periods and shortly coherent times have been detected, which is unusual for such a binary. |
| 语种 | 英语 |
| 学科领域 | Astronomy & Astrophysics |
| 文章类型 | Article |
| ISSN | 0365-0138 |
| URL | 查看原文 |
| WOS记录号 | WOS:000074870200014 |
| WOS研究方向 | Astronomy & Astrophysics |
| WOS类目 | Astronomy & Astrophysics |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ynao.ac.cn/handle/114a53/4021 |
| 专题 | 其他 |
| 通讯作者 | Li, ZY |
| 作者单位 | 1.Department of Astronomy, Nanjing University, Nanjing 210093, China 2.Yunnan Observatory, Kunming 650011, China |
| 推荐引用方式 GB/T 7714 | Li, ZY,Ding, YR,Zhang ZS,et al. The variations in light and color curves and possible short period oscillations of the binary AU Serpentis[J]. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,1998,131(1):115-118. |
| APA | Li, ZY,Ding, YR,Zhang ZS,&Li YL.(1998).The variations in light and color curves and possible short period oscillations of the binary AU Serpentis.ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,131(1),115-118. |
| MLA | Li, ZY,et al."The variations in light and color curves and possible short period oscillations of the binary AU Serpentis".ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES 131.1(1998):115-118. |
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