Measurement of energy distribution for low power nanoflares

We propose a method to measure the energy distribution of low-energy flares (nanoflares) in range below 1023 erg. As an example, we measured spectrum nanoflares 1021–1026 erg for two Sun’s frames observed by SDO/AIA telescope 171 Å channel. Nanoflares are shown have power law 1022–1026 range. The spectral index is approximately constant, i.e. energy-independent. For energies 1022 erg, begins collapse. lower energies, 1021 does not give statistically significant results due major errors. study indicate that solar can be detected up 1021–1022 energies. Results previously been reported only and above. total flux above according our data, P2104 cm–2 s–1, which about 15 times less than heating losses corona.