Twist in a polar blowout jet

被引：50
|
作者：
Hong, Jun-Chao [1 ,2 ]
Jiang, Yun-Chun [1 ]
Yang, Jia-Yan [1 ]
Zheng, Rui-Sheng [1 ]
Bi, Yi [1 ]
Li, Hai-Dong [1 ]
Yang, Bo [1 ,2 ]
Yang, Dan [1 ,2 ]
机构：
[1] Chinese Acad Sci, Yunnan Astron Observ, Natl Astron Observ, Kunming 650011, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
RESEARCH IN ASTRONOMY AND ASTROPHYSICS | 2013年 / 13卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Sun: corona; Sun: coronal mass ejections; Sun: prominences; H-ALPHA SURGES; X-RAY JETS; ULTRAVIOLET JETS; CORONAL HOLES; WHITE-LIGHT; SOLAR JET; QUIET SUN; KINEMATICS; ERUPTION; HINODE;
D O I：
10.1088/1674-4527/13/3/001
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
It is well known that some coronal jets exhibit helical structures and untwisting. We attempt to inspect the origin of twist in a blowout jet. By means of multi-wavelength and multi-angle observations from Solar Dynamics Observatory (SDO) and Solar Terrestrial Relations Observatory-Ahead (STEREO-A), we firstly report a polar untwisting jet that is a blowout jet which leads to a jet-like coronal mass ejection. From the viewpoint of SDO, the jet shows clear untwisting behavior and two jet-spires. However, from the viewpoint of STEREO-A the jet actually comes from the whiplike prominence eruption and is followed by a white-light jet. Our observations indicate that twist in blowout jets may result from the erupting mini-prominences/mini-filaments in the jet base.
引用
收藏
页码：253 / 258
页数：6
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