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A Solar Blowout Jet Caused by the Eruption of a Magnetic Flux Rope
Zhu, Xiaoshuai1,2; Wang, Huaning1,3; Cheng, Xin2,4; Huang, Chong1,5,6
2017-08-01
发表期刊ASTROPHYSICAL JOURNAL LETTERS
卷号844期号:2
摘要We investigate the three-dimensional (3D) magnetic structure of a blowout jet originating in the western edge of NOAA active region (AR) 11513 on 2012 July 2 by means of recently developed forced field extrapolation model. The results show that the blowout jet was caused by the eruption of the magnetic flux rope (MFR) consisting of twisted field lines. We further calculate the twist number T-w and squashing factor Q of the reconstructed magnetic field and find that (1) the MFR corresponds well with the high T-w region, and (2) the MFR outer boundary corresponds well with the high Q region, probably interpreting the bright structure at the base of the jet. The twist number of the MFR is estimated to be T-w = -1.54 +/- 0.67. Thus, the kink instability is regarded as the initiation mechanism of the blowout jet as T-w reaches or even exceeds the threshold value of the kink instability. Our results also indicate that the bright point at the decaying phase is actually composed of some small loops that are heated by the reconnection occurring above. In summary, the blowout jet is mostly consistent with the scenario proposed by Moore et al., except that the kink instability is found to be a possible trigger.
文章类型Article
关键词Sun: Activity Sun: Chromosphere Sun: Corona Sun: Magnetic Fields
WOS标题词Science & Technology ; Physical Sciences
资助者National Natural Science Foundation of China (NSFC)(11403044 ; National Natural Science Foundation of China (NSFC)(11403044 ; CAS Key Laboratory of Solar Activity, National Astronomical Observatories(KLSA201609) ; CAS Key Laboratory of Solar Activity, National Astronomical Observatories(KLSA201609) ; Natural Science Foundation of Shandong Province(ZR2014AP010) ; Natural Science Foundation of Shandong Province(ZR2014AP010) ; NJIT, US NSF(AGS-1250818) ; NJIT, US NSF(AGS-1250818) ; NASA(NNX13AG14G) ; NASA(NNX13AG14G) ; 11673035 ; 11673035 ; 11273031) ; 11273031) ; National Natural Science Foundation of China (NSFC)(11403044 ; National Natural Science Foundation of China (NSFC)(11403044 ; CAS Key Laboratory of Solar Activity, National Astronomical Observatories(KLSA201609) ; CAS Key Laboratory of Solar Activity, National Astronomical Observatories(KLSA201609) ; Natural Science Foundation of Shandong Province(ZR2014AP010) ; Natural Science Foundation of Shandong Province(ZR2014AP010) ; NJIT, US NSF(AGS-1250818) ; NJIT, US NSF(AGS-1250818) ; NASA(NNX13AG14G) ; NASA(NNX13AG14G) ; 11673035 ; 11673035 ; 11273031) ; 11273031)
DOI10.3847/2041-8213/aa8033
关键词[WOS]FORCED FIELD EXTRAPOLATION ; X-RAY JETS ; CORONAL HOLE ; TWIST ; DICHOTOMY ; EVOLUTION ; TOPOLOGY ; FLARES
收录类别SCI
语种英语
资助者National Natural Science Foundation of China (NSFC)(11403044 ; National Natural Science Foundation of China (NSFC)(11403044 ; CAS Key Laboratory of Solar Activity, National Astronomical Observatories(KLSA201609) ; CAS Key Laboratory of Solar Activity, National Astronomical Observatories(KLSA201609) ; Natural Science Foundation of Shandong Province(ZR2014AP010) ; Natural Science Foundation of Shandong Province(ZR2014AP010) ; NJIT, US NSF(AGS-1250818) ; NJIT, US NSF(AGS-1250818) ; NASA(NNX13AG14G) ; NASA(NNX13AG14G) ; 11673035 ; 11673035 ; 11273031) ; 11273031) ; National Natural Science Foundation of China (NSFC)(11403044 ; National Natural Science Foundation of China (NSFC)(11403044 ; CAS Key Laboratory of Solar Activity, National Astronomical Observatories(KLSA201609) ; CAS Key Laboratory of Solar Activity, National Astronomical Observatories(KLSA201609) ; Natural Science Foundation of Shandong Province(ZR2014AP010) ; Natural Science Foundation of Shandong Province(ZR2014AP010) ; NJIT, US NSF(AGS-1250818) ; NJIT, US NSF(AGS-1250818) ; NASA(NNX13AG14G) ; NASA(NNX13AG14G) ; 11673035 ; 11673035 ; 11273031) ; 11273031)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000406597400002
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/20067
专题太阳物理研究部
作者单位1.Chinese Acad Sci, Key Lab Solar Act, Natl Astron Observ, Beijing, Peoples R China
2.Nanjing Univ, Minist Educ, Key Lab Modern Astron & Astrophys, Nanjing 210093, Jiangsu, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Nanjing Univ, Nanjing, Jiangsu, Peoples R China
5.Shandong Univ, Inst Space Sci, Weihai 264209, Peoples R China
6.Shandong Univ, Sch Space Sci & Phys, Weihai 264209, Peoples R China
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Zhu, Xiaoshuai,Wang, Huaning,Cheng, Xin,et al. A Solar Blowout Jet Caused by the Eruption of a Magnetic Flux Rope[J]. ASTROPHYSICAL JOURNAL LETTERS,2017,844(2).
APA Zhu, Xiaoshuai,Wang, Huaning,Cheng, Xin,&Huang, Chong.(2017).A Solar Blowout Jet Caused by the Eruption of a Magnetic Flux Rope.ASTROPHYSICAL JOURNAL LETTERS,844(2).
MLA Zhu, Xiaoshuai,et al."A Solar Blowout Jet Caused by the Eruption of a Magnetic Flux Rope".ASTROPHYSICAL JOURNAL LETTERS 844.2(2017).
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