Speed Distributions of Merging X-Ray Sources During Chromospheric Evaporation in Solar Flares
文献类型：期刊论文
| 作者 | Ning, Zongjun2
|
| 刊名 | SOLAR PHYSICS
 |
| 出版日期 | 2011-10-01 |
| 卷号 | 273期号:1页码:81-92 |
| 关键词 | Flares X-ray bursts, hard |
| ISSN号 | 0038-0938 |
| 英文摘要 | We explore the speed distributions of X-ray source motions after the start of chromospheric evaporation in two Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) flares. First, we make CLEAN images at 15 energy bands with a 12 second integration window; then, we outline a flaring loop geometry to cover the looptop and footpoint sources as much as possible. Consistent with the previous steps, we find converging motion of the double footpoint sources along the flaring loop in these two events. This motion is dependent on the energy band and time and is typically seen at 3 - 25 keV, indicating a chromospheric evaporation origin. The speed distributions at various energy bands are measured for the 10 September 2002 flare, which exhibits a separation-to-mergence motion pattern well correlated with the rising-to-decay phases at 50 - 100 keV. |
| 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] | LOOP RADIATIVE HYDRODYNAMICS ; HIGH TIME RESOLUTION ; DIAGNOSTIC SPECTROMETER ABOARD ; MAGNETIC RECONNECTION ; CURRENT SHEET ; SOHOS CDS ; RHESSI ; HARD ; MOTIONS ; PHASE |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000297125700006 |
| 公开日期 | 2012-08-07 |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/4514]  |
| 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.Acad Sinica, Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210008, Peoples R China 2.Natl Astron Observ, Key Lab Solar Activ, Beijing 100012, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ning, Zongjun. Speed Distributions of Merging X-Ray Sources During Chromospheric Evaporation in Solar Flares[J]. SOLAR PHYSICS,2011,273(1):81-92. |
| APA | Ning, Zongjun.(2011).Speed Distributions of Merging X-Ray Sources During Chromospheric Evaporation in Solar Flares.SOLAR PHYSICS,273(1),81-92. |
| MLA | Ning, Zongjun."Speed Distributions of Merging X-Ray Sources During Chromospheric Evaporation in Solar Flares".SOLAR PHYSICS 273.1(2011):81-92. |
入库方式： OAI收割
来源：紫金山天文台
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