ON THE COMBINATION OF IMAGING-POLARIMETRY WITH SPECTROPOLARIMETRY OF UPPER SOLAR ATMOSPHERES DURING SOLAR ECLIPSES
文献类型：期刊论文
| 作者 | Qu ZQ(屈中权)1 ; Deng LH(邓林华)1,2; Dun GT(敦广涛)1,2; Chang L(常亮)1,2; Zhang XY(张霄宇)1; Cheng XM(程向明)1,2; Allington-Smith, J3; Murray, G3; Qu ZN(屈智宁)1,2; Xue ZK(薛志科)1,2
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| 刊名 | ASTROPHYSICAL JOURNAL
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| 出版日期 | 2013-09 |
| 卷号 | 774期号:1页码:71-77 |
| 关键词 | polarization Sun: chromosphere Sun: corona |
| ISSN号 | 0004-637X |
| 产权排序 | 第一完成单位 |
| 通讯作者 | Qu, ZQ (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Kunming 650011, Yunnan, Peoples R China. |
| 英文摘要 | We present results from imaging polarimetry (IP) of upper solar atmospheres during a total solar eclipse on 2012 November 13 and spectropolarimetry of an annular solar eclipse on 2010 January 15. This combination of techniques provides both the synoptic spatial distribution of polarization above the solar limb and spectral information on the physical mechanism producing the polarization. Using these techniques together we demonstrate that even in the transition region, the linear polarization increases with height and can exceed 20%. IP shows a relatively smooth background distribution in terms of the amplitude and direction modified by solar structures above the limb. A map of a new quantity that reflects direction departure from the background polarization supplies an effective technique to improve the contrast of this fine structure. Spectral polarimetry shows that the relative contribution to the integrated polarization over the observed passband from the spectral lines decreases with height while the contribution from the continuum increases as a general trend. We conclude that both imaging and spectral polarimetry obtained simultaneously over matched spatial and spectral domains will be fruitful for future eclipse observations. |
| 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] | EMISSION-LINE POLARIZATION ; WHITE-LIGHT CORONA ; GREEN-LINE ; STATISTICAL EQUILIBRIUM ; MAGNETIC SUBLEVELS ; FE-XIII ; IMPACT ; DEPOLARIZATION ; COLLISIONS ; INTENSITY |
| 收录类别 | SCI |
| 原文出处 | http://iopscience.iop.org/article/10.1088/0004-637X/774/1/71/meta |
| 语种 | 英语 |
| WOS记录号 | WOS:000323426700071 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/6221]  |
| 专题 | 云南天文台_太阳物理研究组 云南天文台_抚仙湖太阳观测站 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 Astronomical Observatory, Chinese Academy of Sciences, Kunming, Yunnan 650011, China 2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming, Yunnan 650011, China 3.Center for Advanced Instrumentation, University of Durham, UK |
| 推荐引用方式 GB/T 7714 | Qu ZQ,Deng LH,Dun GT,et al. ON THE COMBINATION OF IMAGING-POLARIMETRY WITH SPECTROPOLARIMETRY OF UPPER SOLAR ATMOSPHERES DURING SOLAR ECLIPSES[J]. ASTROPHYSICAL JOURNAL,2013,774(1):71-77. |
| APA | Qu ZQ.,Deng LH.,Dun GT.,Chang L.,Zhang XY.,...&Ma L.(2013).ON THE COMBINATION OF IMAGING-POLARIMETRY WITH SPECTROPOLARIMETRY OF UPPER SOLAR ATMOSPHERES DURING SOLAR ECLIPSES.ASTROPHYSICAL JOURNAL,774(1),71-77. |
| MLA | Qu ZQ,et al."ON THE COMBINATION OF IMAGING-POLARIMETRY WITH SPECTROPOLARIMETRY OF UPPER SOLAR ATMOSPHERES DURING SOLAR ECLIPSES".ASTROPHYSICAL JOURNAL 774.1(2013):71-77. |
入库方式： OAI收割
来源：云南天文台
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