Slippage of Jets Explained by the Magnetic Topology of NOAA Active Region 12035

© 2017, Springer Science+Business Media B.V. We present the investigation of 11 recurring solar jets that originated from two different sites (site 1 and site 2) close to each other (≈11Mm) in NOAA active region (AR) 12035 during 15 – 16 April 2014. The jets were observed by the Atmospheric Imaging Assembly (AIA) telescope on board the Solar Dynamics Observatory (SDO) satellite. Two jets were observed by the telescope of the Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital, India, in Hα. On 15 April, flux emergence is strong in site 1, while on 16 April, flux emergence and cancellation mechanisms are involved in both sites. The jets of both sites have parallel trajectories and move to the south with a speed between 100 and 360 km s −1 . The jets of site 2 occurred during the second day have a tendency to move toward the jets of site 1 and merge with them. We conjecture that the slippage of the jets could be explained by the complex topology of the region, which included a few low-altitude null points and many quasi-separatrix layers (QSLs), which could intersect with one another.

Publication year:2017

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Authors:International

Authors from:Higher Education