UV1600 bright points and magnetic bipoles in solar quiet regions
文献类型：期刊论文
| 作者 | Li, Dong1,2; Ning, ZongJun1,2
|
| 刊名 | ASTROPHYSICS AND SPACE SCIENCE
 |
| 出版日期 | 2012-10-01 |
| 卷号 | 341期号:2页码:215-224 |
| ISSN号 | 0004-640X |
| 关键词 | Sun: bright points Sun: magnetic bipoles |
| 英文摘要 | Using the observations from Atmospheric Imaging Assembly (AIA) and Helioseismic and Magnetic Imager (HMI) onboard Solar Dynamics Observatory (SDO), we explore the relationship between the bright points at 1600 (1600BPs) and magnetic polarities in the quiet regions of the Sun. 1600BPs are determined from the bright regions with a brightness above the mean value of the background plus the three times of background deviation and with an area above 25 pixel(2) (9.324 arcsec(2)), while individual magnetic polarity has a strength greater than the mean value of the background plus the two and half times of background deviation and an area greater than 5 pixel(2) (1.272 arcsec(2)). And magnetic bipoles are identified as a pair of positive and negative polarities with a shortest distance between them. Based on this way, 2722 1600BPs and 2850 magnetic bipoles are identified from double square regions near disk center but symmetrically on north- and south-hemispheres respectively, with a size of 200''Au200'' each day from 19 to 25 August 2010. We find that only 29.6 % (806/2722) 1600BPs display a good correlation with magnetic bipoles, while about 64.3 % (1749/2722) 1600BPs show one-to-one correspondence to the magnetic polarities, regardless of the positive and negative polarities. For these magnetic bipoles associated with 1600BPs, we find that their orientation angles are distributed randomly along the equator. |
| 学科主题 | Astronomy & Astrophysics |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | FLUX TUBES ; SUN ; INTERNETWORK ; FIELDS ; LOOPS ; SIZE ; RECONNECTION ; PHOTOSPHERE ; EMERGENCE ; FEATURES |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000308960700001 |
| 公开日期 | 2013-01-31 |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/8129]  |
| 专题 | 紫金山天文台_太阳活动的多波段观测研究团组 |
| 作者单位 | 1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China 2.Chinese Acad Sci, Key Lab Dark Matter & Space Sci, Nanjing 210008, Jiangsu, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Dong,Ning, ZongJun. UV1600 bright points and magnetic bipoles in solar quiet regions[J]. ASTROPHYSICS AND SPACE SCIENCE,2012,341(2):215-224. |
| APA | Li, Dong,&Ning, ZongJun.(2012).UV1600 bright points and magnetic bipoles in solar quiet regions.ASTROPHYSICS AND SPACE SCIENCE,341(2),215-224. |
| MLA | Li, Dong,et al."UV1600 bright points and magnetic bipoles in solar quiet regions".ASTROPHYSICS AND SPACE SCIENCE 341.2(2012):215-224. |
入库方式： OAI收割
来源：紫金山天文台
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。