A Preliminary Analysis of Dynamic and Realistic Heliosphere Using Interplanetary Scintillation and Photospheric Magnetic Data

被引:2
|
作者
Washimi, Haruichi [1 ]
Hayashi, Keiji [2 ]
Tokumaru, Munetoshi [3 ]
Zank, Gary P. [1 ]
Hu, Qiang [1 ]
Tanaka, Takashi [4 ]
Florinski, Vladimir [1 ]
Adams, James [5 ]
Kubo, Yuki [6 ]
机构
[1] Univ Alabama, CSPAR, Huntsville, AL 35899 USA
[2] Stanford Univ, HEPL, Stanford, CA 94305 USA
[3] Nagoya Univ, STEL, Nagoya, Aichi 4648601, Japan
[4] Kyushu Univ, Fac Sci, Fukuoka 8128581, Japan
[5] NASA MSFC, Huntsville, AL 35899 USA
[6] Natl Inst Informat & Commun Technol, Koganei, Tokyo 1848795, Japan
来源
PHYSICS OF THE HELIOSPHERE: A 10 YEAR RETROSPECTIVE | 2012年 / 1436卷
基金
美国国家科学基金会;
关键词
MHD simulation; Heliosphere; Termination Shock; Cosmic Ray Transport;
D O I
10.1063/1.4723630
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A new MHD simulation method for reproducing a realistic and time-varying global heliospheric modelling is developed using solar-wind speed data from interplanetary sintillation (IPS) and photospheric magnetic data from optical observations. The IPS together with the magnetic data provide us inner boundary conditions which include both co-rotating solar-wind speed distribution and magnetic field distributions using a tilted current sheet model. Hence it enables us to reproduce dynamical co-rotating wind-wind interaction and also magnetic field structures such as an oscillating equatorial magnetic neutral sheet in a three-dimensional heliosphere. In our preliminary results of this method, a realistic and oscillating equatorial neutral sheet and wind-wind interactions are shown both in the interplanetary space and the heliosheath.
引用
收藏
页码:350 / 355
页数:6
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