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Coronal microjets in quiet-Sun regions observed with the Extreme Ultraviolet Imager onboard Solar Orbiter
Zhenyong Hou, Hui Tian, David Berghmans +8
We report the smallest coronal jets ever observed in the quiet Sun with recent high resolution observations from the High Resolution Telescopes (HRI-EUV and HRI-Lyα) of the Extreme…
Measurements of the magnetic field strengths at the bases of stellar coronae using the magnetic-field-induced transition theory
Yajie Chen, Xianyu Liu, Hui Tian +6
Measurements of the magnetic field in the stellar coronae are extremely difficult. Recently, it was proposed that the magnetic-field-induced transition (MIT) of the Fe X 257 Å line…
Forward Modeling of Solar Coronal Magnetic Field Measurements Based on a Magnetic-field-induced Transition in Fe X
Yajie Chen, Wenxian Li, Hui Tian +6
It was recently proposed that the intensity ratios of several extreme ultraviolet spectral lines from the Fe X ion can be used to measure the solar coronal magnetic field based on…
Transient small-scale brightenings in the quiet solar corona: a model for campfires observed with Solar Orbiter
Yajie Chen, Damien Przybylski, Hardi Peter +3
Context. Recent observations by the Extreme Ultraviolet Imager (EUI) on board Solar Orbiter have characterized prevalent small-scale transient brightenings in the corona above the…
Small-scale Bright Blobs Ejected from a Sunspot Light Bridge
Fuyu Li, Yajie Chen, Yijun Hou +3
Light bridges (LBs) are bright lanes that divide an umbra into multiple parts in some sunspots. Persistent oscillatory bright fronts at a temperature of K are commonly…