Magnetic Field Strengths and Structures from Radio Observations of Solar Active Regions

• 作 者: Chang－XiZhang G.B.Gelfreikh 等
• 机 构: DepartmentofAstronomy,PulkovoAstronomicalObservatory
• 出 处: 中国天文和天体物理学报：英文版
• 发表日期: 2002年3期
• 关键词: 太阳活动 磁场观测 光谱观测 射电观测 Sun: active regions - Sun: magnetic fields - Sun: optical ob

Radio observations of some active regions (ARs) obtained with theNobeyama radioheliograph at λ=1.76 cm are used for estimating the magnetic fieldstrength in the upper chromosphere, based on thermal bremsstrahlung. The resultsare compared with the magnetic