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astro-ph.SR2024
Chromospheric modeling of the active M3V star G 80-21 with RH1.5D
Shuai Liu, Huigang Wei, Jianrong Shi +4
This study investigates the active regions of the M3.0V star G 80-21 using the observed data from the CARMENES project with synthetic spectra generated by the RH1.5D radiative tran…
astro-ph.SR2024
Magnetic helicity evolution during active region emergence and subsequent flare productivity
Zheng Sun, Ting Li, Quan Wang +3
Aims. Solar active regions (ARs), which are formed by flux emergence, serve as the primary sources of solar eruptions. However, the specific physical mechanism that governs the eme…
astro-ph.SR2024★ 2 cited
An Automatic Approach for Grouping Sunspots and Calculating Relative Sunspot Number on SDO/HMI Continuum Images
Cui Zhao, Shangbin Yang, Tingmei Wang +4
Relative Sunspot Number is one of the major parameters for the study of long-term solar activity. The automatic calculation of the Relative Sunspot Number is more stable and accura…