中国科学院紫金山天文台机构知识库
Advanced  
PMO OpenIR  > 太阳活动的多波段观测研究团组  > 期刊论文
题名: Evolution of the sheared magnetic fields of two X-class flares observed by Hinode/XRT
作者: Su YingNa(宿英娜)1, 2, 3; Golub, Leon1; Van Ballegooijen, Adriaan1; Deluca, Edward E.1; Reeves, Kathy K.1; Sakao, Taro4; Kano, Ryouhei5; Narukage, Noriyuki4; Shibasaki, Kiyoto6
刊名: PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
出版日期: 2007
卷号: 59, 页码:S785-S791
关键词: sun : corona ; sun : filaments ; sun : flares ; sun : magnetic fields ; sun : X-rays, gamma rays
文章类型: Article
英文摘要: We present multi-wavelength observations of the evolution of the sheared magnetic fields in NOAA Active Region 10930, where two X-class flares occurred on 2006 December 13 and December 14, respectively. Observations made with the X-ray Telescope (XRT) and the Solar Optical Telescope (SOT) aboard Hinode suggest that the gradual formation of the sheared magnetic fields in this active region is caused by the rotation and west-to-east motion of an emerging sunspot. In the pre-flare phase of the two flares, XRT shows several highly sheared X-ray loops in the core field region, corresponding to a filament seen in the TRACE EUV observations. XRT observations also show that part of the sheared core field erupted, and another part of the sheared core field stayed behind during the flares, which may explain why a large part of the filament is still seen by TRACE after the flare. About 2 - 3 hours after the peak of each flare, the core field becomes visible in XRT again, and shows a highly sheared inner and less-sheared outer structure. We also find that the post-flare core field is clearly less sheared than the pre-flare core field, which is consistent with the idea that the energy released during the flares is stored in the highly sheared fields prior to the flare.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: CORONAL MASS EJECTIONS ; RAY TELESCOPE ; SOLAR-B ; RELAXATION ; MISSION ; MOTION ; YOHKOH
收录类别: SCI
语种: 英语
WOS记录号: WOS:000253152600032
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15866
Appears in Collections:太阳活动的多波段观测研究团组_期刊论文

Files in This Item:

There are no files associated with this item.


作者单位: 1.Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
2.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
4.Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2298510, Japan
5.Natl Inst Nat Sci, Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan
6.Natl Inst Nat Sci, Natl Astron Observ Japan, Nobeyama Solar Radio Observ, Minamimaki, Nagano 3841305, Japan
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Su, Yingna]'s Articles
[Golub, Leon]'s Articles
[Van Ballegooijen, Adriaan]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Su, Yingna]‘s Articles
[Golub, Leon]‘s Articles
[Van Ballegooijen, Adriaan]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Copyright © 2007-2018  中国科学院紫金山天文台 - Feedback
Powered by CSpace