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Intermittent turbulent fluctuations in solar coronal mass ejections
Apurva Bhagat, Sumit Tambe, Debesh Bhattacharjee +1
Localised regions of high intensity fluctuations are known to be signatures of intermittency in fluid and plasma turbulence. We investigate such turbulent spots using near-Earth {\…
Energy-Containing Electrons in Solar Flares: Improving Hard X-Ray and EUV Diagnostics
Yingjie Luo, Eduard P. Kontar, Debesh Bhattacharjee
Solar flares effectively accelerate particles to non-thermal energies. These accelerated electrons are responsible for energy transport and subsequent emissions in HXR, radio, and…
Total Power and Low-energy Cut-off Time Evolution of Solar Flare Accelerated Electrons Using X-Ray Observations and Warm-Target Model
Debesh Bhattacharjee, Eduard P. Kontar, Yingjie Luo
A primary characteristic of solar flares is the efficient acceleration of electrons to nonthermal deka-keV energies. While hard X-Ray (HXR) observation of bremsstrahlung emission s…
Proton heating estimates from near-Earth observations of coronal mass ejections in solar cycle 24
Debesh Bhattacharjee, Prasad Subramanian, Saikat majumder +1
As solar coronal mass ejections (CMEs) propagate through the heliosphere, they expend energy in heating protons to compensate for the cooling that occurs due to expansion. CME prop…
Turbulent power: a discriminator between sheaths and CMEs
Deep Ghuge, Debesh Bhattacharjee, Prasad Subramanian
Solar coronal mass ejections (CMEs) directed at the Earth often drive large geomagnetic storms. Here we use velocity, magnetic field and proton density data from 152 CMEs that were…
Flare-accelerated Electrons in the Kappa Distribution from X-Ray Spectra with the Warm-Target Model
Yingjie Luo, Eduard P. Kontar, Debesh Bhattacharjee
X-ray observations provide important and valuable insights into the acceleration and propagation of nonthermal electrons during solar flares. Improved X-ray spectral analysis requi…