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 …

The existence of hot X-ray onsets in solar flares

AF Battaglia, H Hudson, A Warmuth, H Collier… - Astronomy & …, 2023 - aanda.org
Context. It is well known among the scientific community that solar flare activity often begins
well before the main impulsive energy release. However, a consistent explanation for this …

Soft X-ray spectral diagnostics of multithermal plasma in solar flares with chandrayaan-2 XSM

NPS Mithun, SV Vadawale, G Del Zanna… - The Astrophysical …, 2022 - iopscience.iop.org
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 …

Role of small-scale impulsive events in heating the X-ray bright points of the quiet Sun

B Mondal, JA Klimchuk, SV Vadawale… - The Astrophysical …, 2023 - iopscience.iop.org
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 …

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

SV Vadawale, NPS Mithun, B Mondal… - The Astrophysical …, 2021 - iopscience.iop.org
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 …

Coronal elemental abundances during A-class solar flares observed by Chandrayaan-2 XSM

L Nama, B Mondal, S Narendranath, KT Paul - Solar Physics, 2023 - Springer
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 …

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 …

Estimations of Elemental Abundances during Solar Flares Observed in Soft X-Rays by the MinXSS-1 CubeSat Mission

C Suarez, CS Moore - The Astrophysical Journal, 2023 - iopscience.iop.org
Solar flares are complex phenomena emitting all types of electromagnetic radiation and
accelerating particles on timescales of minutes, converting magnetic energy to thermal …

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

SV Vadawale, B Mondal, NPS Mithun… - The Astrophysical …, 2021 - iopscience.iop.org
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 …

Overview and technical architecture of India's Chandrayaan-2 mission to the Moon

V Sundararajan - 2018 AIAA aerospace sciences meeting, 2018 - arc.aiaa.org
ABSTRACT The Indian Space Research Organization (ISRO) began India's planetary
exploration program with the successful launch of Chandrayaan-1 orbiter mission to the …