Evolution of elemental abundances during b-class solar flares: soft x-ray spectral measurements with chandrayaan-2 XSM
B Mondal, A Sarkar, SV Vadawale… - The Astrophysical …, 2021 - iopscience.iop.org
Abstract The Solar X-ray Monitor (XSM) payload on board Chandrayaan-2 provides disk-
integrated solar spectra in the 1–15 keV energy range with an energy resolution of 180 eV …
integrated solar spectra in the 1–15 keV energy range with an energy resolution of 180 eV …
NuSTAR observations of a repeatedly microflaring active region
K Cooper, IG Hannah, BW Grefenstette… - Monthly Notices of …, 2021 - academic.oup.com
We investigate the spatial, temporal, and spectral properties of 10 microflares from AR12721
on 2018 September 9 and 10 observed in X-rays using the Nuclear Spectroscopic …
on 2018 September 9 and 10 observed in X-rays using the Nuclear Spectroscopic …
Detection of ubiquitous weak and impulsive nonthermal emissions from the solar corona
A ubiquitous presence of weak energy releases is one of the most promising hypotheses to
explain coronal heating, referred to as the nanoflare hypothesis. The accelerated electrons …
explain coronal heating, referred to as the nanoflare hypothesis. The accelerated electrons …
Soft X-ray spectral diagnostics of multithermal plasma in solar flares with chandrayaan-2 XSM
Spectroscopic observations in X-ray wavelengths provide excellent diagnostics of the
temperature distribution in solar flare plasma. The Solar X-ray Monitor (XSM) on board the …
temperature distribution in solar flare plasma. The Solar X-ray Monitor (XSM) on board the …
Role of small-scale impulsive events in heating the X-ray bright points of the quiet Sun
Small-scale impulsive events, known as nanoflares, are thought to be one of the prime
candidates that can keep the solar corona hot at its multimillion-Kelvin temperature …
candidates that can keep the solar corona hot at its multimillion-Kelvin temperature …
Coronal elemental abundances during A-class solar flares observed by Chandrayaan-2 XSM
The abundances of low first ionization potential (FIP) elements are three to four times higher
in the closed loop active corona than in the photosphere, known as the FIP effect …
in the closed loop active corona than in the photosphere, known as the FIP effect …
Turbulence dynamics and flow speeds in the inner solar corona: Results from radio-sounding experiments by the Akatsuki spacecraft
RN Jain, RK Choudhary, A Bhardwaj… - Monthly Notices of …, 2023 - academic.oup.com
The solar inner corona is a region that plays a critical role in energizing the solar wind and
propelling it to supersonic and supra-Alfvénic velocities. Despite its importance, this region …
propelling it to supersonic and supra-Alfvénic velocities. Despite its importance, this region …
Multiwavelength observations by XSM, hinode, and SDO of an active region. Chemical abundances and temperatures
G Del Zanna, B Mondal, YK Rao… - The Astrophysical …, 2022 - iopscience.iop.org
We have reviewed the first year of observations of the Solar X-ray Monitor (XSM) on board
Chandrayaan-2 and the available multiwavelength observations to complement the XSM …
Chandrayaan-2 and the available multiwavelength observations to complement the XSM …
Multiwavelength Observations of a B-class Flare Using XSM, AIA, and XRT
YK Rao, B Mondal, G Del Zanna… - The Astrophysical …, 2023 - iopscience.iop.org
We present multiwavelength observations by Chandrayaan-2/Solar X-ray Monitor, Solar
Dynamics Observatory/Atmospheric Imaging Assembly, and Hinode/X-Ray Telescope (XRT) …
Dynamics Observatory/Atmospheric Imaging Assembly, and Hinode/X-Ray Telescope (XRT) …
Multifrequency microwave imaging of weak transients from the quiet solar corona
Understanding the dynamics of the quiet solar corona is important for answering key
questions including the coronal heating problem. Multiple studies have suggested small …
questions including the coronal heating problem. Multiple studies have suggested small …