Cause and Kinematics of a Jet-Like CME

Abstract

In this article, we present the multi-viewpoint and multi-wavelength analysis of an atypical solar jet based on the data from Solar Dynamics Observatory, SOlar, and Heliospheric Observatory, and Solar TErrestrial RElations Observatory. It is usually believed that the coronal mass ejections (CMEs) are developed from the large scale solar eruptions in the lower atmosphere. However, the kinematical and spatial evolution of the jet on 2013 April 28 guide us that the jet was clearly associated with a narrow CME having a width of approx 25 degrees with a speed of 450 km/s. To better understand the link between the jet and the CME, we did the coronal potential field extrapolation from the line of sight magnetogram of the AR. The extrapolations present that the jet eruption follows exactly the same path of the open magnetic field lines from the source region which provides the route for the jet material to escape from the solar surface towards the outer corona.

18 pages, 7 figures, Accepted in ApJ

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• Direct Observation of A Large-scale CME Flux Rope Event Arising from an Unwinding Coronal Jet
• High-resolution observations of recurrent jets from an arch filament system
• Simulation of a Solar Jet Formed from an Untwisting Flux Rope Interacting with a Null Point
• Data-constrained 3D MHD Simulation of a Spiral Jet Caused by an Unstable Flux Rope Embedded in Fan-spine Configuration
• Active chromospheric fibril singularity: Coordinated observations from Solar Orbiter, SST, and IRIS