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

页码：253 / 258

页数：6

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