Seeing the solar corona in three dimensions

被引：16
作者：
Vasquez, Alberto M. [1 ,2 ]
机构：
[1] CONICET UBA, IAFE, CC 67,Suc 28,C1428ZAA, Buenos Aires, DF, Argentina
[2] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Buenos Aires, DF, Argentina
来源：
ADVANCES IN SPACE RESEARCH | 2016年 / 57卷 / 06期
关键词：
Corona; EUV; Tomography; ELECTRON-DENSITY DISTRIBUTION; EMISSION MEASURE TOMOGRAPHY; POSITIVE ESTIMATION; WHITE-LIGHT; MINIMUM; ROBUST; MODEL; WIND;
D O I：
10.1016/j.asr.2015.05.047
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The large availability and rich spectral coverage of today's observational data of the solar corona, and the high spatial and temporal resolution provided by many instruments, has enabled the evolution of three-dimensional (3D) physical models to a great level of detail. However, the 3D information provided by the data is rather limited as every instrument observes from a single angle of vision, or two at the most in the case of the STEREO mission. Two powerful available observational techniques to infer detailed 3D information of the solar corona from empirical data are stereoscopy and tomography. In particular, the technique known as differential emission measure tomography (DEMT) allows determination of the 3D distribution of the coronal electron density and temperature in the inner corona. This paper summarizes the main technical aspects of DEMT, reviews all published work based on it, and comments on its future development and applications. (C) 2015 COSPAR. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1286 / 1293
页数：8
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