Youqian Qi
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View article: Dynamics of granules and intergranular lanes at the base of H <i>α</i> jets
Dynamics of granules and intergranular lanes at the base of H <i>α</i> jets Open
Aims. Using observations taken by the New Vacuum Solar Telescope at the H α ±0.8 Å passbands and TiO 7058 Å passband, we investigate the photospheric dynamics at the bases of 85 H α jets. Methods. By applying the Fourier local correlation …
View article: Sequential Ejections of Plasma Blobs Due to Unbraiding of Tangled Loops in the Solar Atmosphere
Sequential Ejections of Plasma Blobs Due to Unbraiding of Tangled Loops in the Solar Atmosphere Open
Nanoflares, which are consequences of braids in tangled magnetic fields, are an important candidate to heat the solar corona to a million degrees. However, their observational evidence is sparse, and many of their observational characteris…
View article: Multiple Episodes of Remote Brightenings Driven by a Coronal Extreme-ultraviolet Jet on the Sun
Multiple Episodes of Remote Brightenings Driven by a Coronal Extreme-ultraviolet Jet on the Sun Open
Remote brightening (RB) is compact brightening at footpoints of magnetic loops, which are remotely connecting to and confining an eruption in the solar atmosphere. Here, we report on observations of an RB resulting from an EUV jet with a s…
View article: Formation of a streamer blob via the merger of multiple plasma clumps below 2Rs
Formation of a streamer blob via the merger of multiple plasma clumps below 2Rs Open
Context. Propagating streamer blobs could be an important source of disturbances in the solar wind. Direct observations on formation of streamer blobs could be a proxy for understanding the formation of small-scale structures and disturban…
View article: Formation of a streamer blob via the merger of multiple plasma clumps below 2 <i>R</i><sub>⊙</sub>
Formation of a streamer blob via the merger of multiple plasma clumps below 2 <i>R</i><sub>⊙</sub> Open
Context. Propagating streamer blobs could be an important source of disturbances in the solar wind. Direct observations of the formation of streamer blobs could be a proxy for understanding the formation of small-scale structures and distu…
View article: The Contribution and FIP Bias of Three Types of Materials inside ICMEs Associated with Different Flare Intensities
The Contribution and FIP Bias of Three Types of Materials inside ICMEs Associated with Different Flare Intensities Open
The relationship between coronal mass ejections (CMEs) and flares is an important issue in solar and stellar physics. The studies on the origination and generation mechanisms of interplanetary CME (ICME) materials are crucial for understan…
View article: The contribution and FIP bias of three types of materials inside ICMEs associated with different flare intensities
The contribution and FIP bias of three types of materials inside ICMEs associated with different flare intensities Open
The studies on the origination and generation mechanisms of ICME materials are crucial for understanding the connection between CMEs and flares. The materials inside ICMEs can be classified into three types, coming from corona directly (co…
View article: Statistical properties of H<i>α</i> jets in the polar coronal hole and their implications in coronal activities
Statistical properties of H<i>α</i> jets in the polar coronal hole and their implications in coronal activities Open
Context. Dynamic features such as chromospheric jets, transition region network jets, coronal plumes, and coronal jets are abundant in the network regions of polar coronal holes on the Sun. Aims. We investigate the relationship between chr…
View article: Statistical properties of H{\alpha} jets in the polar coronal hole and their implications in coronal activities
Statistical properties of H{\alpha} jets in the polar coronal hole and their implications in coronal activities Open
Dynamic features, such as chromospheric jets, transition region network jets, coronal plumes and coronal jets, are abundant in the network regions of the solar polar coronal holes. We investigate the relationship between chromospheric jets…
View article: Solar Ultraviolet Bursts in the Joint Footpoints of Multiple Transition Region Loops
Solar Ultraviolet Bursts in the Joint Footpoints of Multiple Transition Region Loops Open
Solar Ultraviolet bursts (UBs) associated with flux emergence are expected to help understand the physical processes of the flux emergence itself. In the present study, we analyse imaging and spectroscopic observations of a special group o…