Long-term changes in solar activity and irradiance

T Chatzistergos, NA Krivova, KL Yeo - Journal of Atmospheric and Solar …, 2023 - Elsevier
The Sun is the main energy source to Earth, and understanding its variability is of direct
relevance to climate studies. Measurements of total solar irradiance (TSI) exist since 1978 …

Understanding the secular variability of solar irradiance: the potential of Ca II K observations

T Chatzistergos, NA Krivova, I Ermolli - Journal of Space Weather …, 2024 - swsc-journal.org
With the increasing concern about climate change, it is important to have accurate
information on the individual contributions by the potential driving agents, solar variability …

Differential rotation of the solar chromosphere: a century-long perspective from Kodaikanal solar observatory Ca ii K data

DK Mishra, S Routh, BK Jha… - The Astrophysical …, 2024 - iopscience.iop.org
Chromospheric differential rotation is a key component in comprehending the atmospheric
coupling between the chromosphere and the photosphere at different phases of the solar …

Developing an Automated Detection, Tracking, and Analysis Method for Solar Filaments Observed by CHASE via Machine Learning

Z Zheng, Q Hao, Y Qiu, J Hong, C Li… - The Astrophysical …, 2024 - iopscience.iop.org
Studies on the dynamics of solar filaments have significant implications for understanding
their formation, evolution, and eruption, which are of great importance for space weather …

The Bright Rim Prominences according to 2.5 D Radiative Transfer

JM Jenkins, CMJ Osborne, Y Qiu… - The Astrophysical …, 2024 - iopscience.iop.org
Solar prominences observed close to the limb commonly include a bright feature that, from
the perspective of the observer, runs along the interface between itself and the underlying …

A universal method for solar filament detection from Hα observations using semi-supervised deep learning

A Diercke, R Jarolim, C Kuckein, SJG Manrique… - Astronomy & …, 2024 - aanda.org
Filaments are omnipresent features in the solar atmosphere. Their location, properties, and
time evolution can provide important information about changes in solar activity and assist in …

Butterfly Diagram and other properties of plage areas from Kodaikanal Ca ii K Photographs Covering 1904–2007

BK Jha, T Chatzistergos, D Banerjee, I Ermolli… - Solar Physics, 2024 - Springer
Ca ii K observations of the Sun have a great potential for probing the Sun's magnetism and
activity, as well as for reconstructing solar irradiance. The Kodaikanal Solar Observatory …

Machine learning for reconstruction of polarity inversion lines from solar filaments

V Kisielius, E Illarionov - Solar Physics, 2024 - Springer
Solar filaments are well-known tracers of polarity inversion lines that separate two opposite
magnetic polarities on the solar photosphere. Because observations of filaments began long …