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Origin of Pre-Coronal-Jet Minifilaments: Flux Cancellation
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Author and Affiliation:
Panesar, Navdeep K.(Universities Space Research Association, Huntsville, AL, United States)
Sterling, Alphonse(NASA Marshall Space Flight Center, Huntsville, AL, United States)
Moore, Ronald L.(Alabama Univ., Huntsville, AL, United States)
Abstract: Coronal jets are frequent magnetically channeled narrow eruptions. All coronal jets observed in EUV and X-ray images show a bright spire with a base brightening, also known as jet bright point (JBP). Recent studies of jets show that coronal jets are driven by small-scale filament eruptions (e.g. Hong et al. 2011, Shen et al. 2012, Adams et al. 2014, Sterling et al. 2015). We recently investigated the triggering mechanism of ten on-disk quiet-region coronal jet eruptions and found that magnetic flux cancellation at the neutral line of minifilaments is the main cause of quiet-region jet eruptions (Panesar et al.2016).
Publication Date: Dec 11, 2017
Document ID:
20170011681
(Acquired Dec 13, 2017)
Subject Category: SOLAR PHYSICS
Report/Patent Number: MSFC-E-DAA-TN50143
Document Type: Oral/Visual Presentation
Meeting Information: AGU Fall Meeting; 11-15 Dec. 2017; New Orleans, LA; United States
Meeting Sponsor: American Geophysical Union; Washington, DC, United States
Contract/Grant/Task Num: NNH15CO48B; NNM11AA01A
Financial Sponsor: NASA Marshall Space Flight Center; Huntsville, AL, United States
Organization Source: NASA Marshall Space Flight Center; Huntsville, AL, United States
Description: 10p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright; Public use permitted
NASA Terms: SOLAR CORONA; PLASMA JETS; SOLAR PROMINENCES; MAGNETIC FLUX; CANCELLATION; SOLAR ACTIVITY; LINES OF FORCE; POLARITY; EXTREME ULTRAVIOLET RADIATION; X RAY IMAGERY; NASA SPACE PROGRAMS
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Last Modified: December 13, 2017
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