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Reduced Coronal Emission Above Large Isolated Sunspots
We analysed specific regions of reduced soft X-ray and microwave emission in five large isolated sunspots. The Nobeyama Radioheliograph 17 GHz observations reveal a local depression of microwaveExpand
Ring-shaped cyclotron radiation source on the example of the NOAA 11140 active region according to high angular resolution observations
Using observations with a high angular resolution of ∼1″, we reveal a cyclotron radiation source with a ring-shaped structure of the image. The source is located in the solar corona above the mainExpand
The microwave radiation of the corona above a large single sunspot in right- and left-circular polarization
Results of a study of the corona above a large sunspot in the active region NOAA 10105 with a penumbra size of ∼70″ observed in September 2002 are reported. Maps of the active region and emissionExpand
On the recording of an emission with a reduced brightness in the region of a strong sunspot magnetic field
Observations are reviewed of active regions where radio emission depressions in radio sources above large sunspots is observed. The depression value can be significant and can reach 2000–4000 KExpand
Distribution of the longitudinal component of the magnetic field of prominences from radioastronomical measurements
We present the results of prominence observations at RT-22 CrAO in April, May, and September 1993 at 13.5 mm (intensity and circular polarization) and at 8.2 mm (intensity) wavelengths carried out byExpand
Sharp Changes in the Ordinary Mode Microwave Emission from a Stable Sunspot: Model Analysis
Sharp Changes in the Ordinary Mode Microwave Emission from a Stable Sunspot: Model Analysis In the work, interpretation is given for a microwave source associated with a stable isolated sunspot as aExpand
Reduced Emission above Sunspots Reduced Coronal Emission above Large Isolated Sunspots
We analyse specific regions of reduced soft X-ray and microwave emission in five large isolated sunspots. The Nobeyama Radioheliograph 17 GHz observations reveal a local depression of microwaveExpand
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