Velocity and H{alpha} width of 22 Vul
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The 22 Vul system is important for studying the winds and chromospheres of cool evolved stars because the G4 I component is rotating rapidly and probably faster than...
22 Vul系统对于研究冷态演化恒星的恒星风与色球层（chromospheres）具有重要意义，因其G4 I型子成分正处于快速自转状态，且其自转速率大概率快于……
