Doppler images of the eclipsing binary ER Vulpeculae
文献类型：期刊论文
| 作者 | Xiang Y(项越)1,2,3 ; Gu SH(顾盛宏)1,2; Cameron, AC4; Barnes, JR5
|
| 刊名 | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
 |
| 出版日期 | 2015-02-11 |
| 卷号 | 447期号:1页码:567-576 |
| 关键词 | stars: activity binaries: eclipsing stars: imaging stars: individual: ER Vulpeculae starspots |
| ISSN号 | 0035-8711 |
| 产权排序 | 第一完成单位 |
| 通讯作者 | Xiang, Y (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China. |
| 英文摘要 | We present Doppler images of both components of the eclipsing binary system ER Vul, based on the spectra obtained in 2004 November, 2006 September and 2008 November. The least-squares deconvolution technique is used for enhancing the signal-to-noise ratios of the observed profiles. The new surface images reveal that both stars of ER Vul show strong starspot activities and the starspots appear at various latitudes. The surface maps of 2006 and 2008 both show the presence of large high-latitude starspots on each component of ER Vul. We find no obvious phase shift of the active regions during our observations. The longitude distributions of starspots are non-uniform on both stars. At low-to-mid latitudes, the active regions are almost exclusively found in the hemisphere facing the other star. However, we find no pronounced concentration of spots at the sub-stellar points. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Astronomy & Astrophysics |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | CLOSE BINARIES ; SURFACE INHOMOGENEITIES ; PHYSICAL PARAMETERS ; SPOT DISTRIBUTIONS ; ACTIVE LONGITUDES ; ACTIVITY CYCLES ; MAIN-SEQUENCE ; COOL STARS ; II-PEGASI ; SYSTEMS |
| 收录类别 | SCI |
| 原文出处 | http://mnras.oxfordjournals.org/content/447/1/567 |
| 语种 | 英语 |
| WOS记录号 | WOS:000350272700046 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/6811]  |
| 专题 | 云南天文台_系外行星研究组 云南天文台_中国科学院天体结构与演化重点实验室 |
| 作者单位 | 1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China 2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China 3.University of Chinese Academy of Sciences, Beijing 100049, China 4.School of Physics and Astronomy, University of St Andrews, Fife KY16 9SS, UK 5.Center for Astrophysics Research, University of Hertfordshire, College Lane, Hatfield, Hertfordshire AL10 9AB, UK |
| 推荐引用方式 GB/T 7714 | Xiang Y,Gu SH,Cameron, AC,et al. Doppler images of the eclipsing binary ER Vulpeculae[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2015,447(1):567-576. |
| APA | Xiang Y,Gu SH,Cameron, AC,&Barnes, JR.(2015).Doppler images of the eclipsing binary ER Vulpeculae.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,447(1),567-576. |
| MLA | Xiang Y,et al."Doppler images of the eclipsing binary ER Vulpeculae".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 447.1(2015):567-576. |
入库方式： OAI收割
来源：云南天文台
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。