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Observations of the quiet sun during the deepest solar minimum of the past century with Chandrayaan-2 XSM: elemental abundances in the quiescent corona

Vadawale, Santosh V.; Mondal, Biswajit; Mithun, N. P. S.; Sarkar, Aveek; Janardhan, P.; Joshi, Bhuwan; Bhardwaj, Anil; Shanmugam, M.; Patel, Arpit R.; Adalja, Hitesh Kumar L.; Goyal, Shiv Kumar; Ladiya, Tinkal; Tiwari, Neeraj Kumar; Singh, Nishant; Kumar, Sushil (IOP Publishing, 2021-05)

Elements with low first ionization potential (FIP) are known to be 3-4 times more abundant in active region loops of the solar corona than in the photosphere. There have been observations suggesting that this observed "FIP ...
Observations of the quiet sun during the deepest solar minimum of the past century with Chandrayaan-2 XSM: sub-a-class microflares outside active regions

Vadawale, Santosh V.; Mithun, N. P. S; Mondal, Biswajit; Sarkar, Aveek; Janardhan, P.; Joshi, Bhuwan; Bhardwaj, Anil; Shanmugam, M.; Patel, Arpit R.; Adalja, Hitesh Kumar L.; Goyal, Shiv Kumar; Ladiya, Tinkal; Tiwari, Neeraj Kumar; Singh, Nishant; Kumar, Sushil (IOP Publishing, 2021-05)

Solar flares, with energies ranging over several orders of magnitude, result from impulsive release of energy due to magnetic reconnection in the corona. Barring a handful, almost all microflares observed in X-rays are ...

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