scholarly journals Reprint of A deterministic model for forecasting long-term solar activity

2018 ◽  
Vol 176 ◽  
pp. 51-56 ◽  
Author(s):  
Eleni Petrakou
Keyword(s):  
Solar Activity ◽  
Deterministic Model

scholarly journals Closing up onto our sun: solar imaging

2020 ◽  
Vol 240 ◽  
pp. 07011
Author(s):  
Kushagra Shrivastava ◽  
Keith Wen Kai Chia ◽  
Kang Jun Wong ◽  
Alfred Yong Liang Tan ◽  
Hwee Tiang Ning
Keyword(s):  
Solar Activity ◽  
The Sun ◽  
Research Needs ◽  
Large Numbers ◽  
Wide Range ◽  
Future Science ◽  
Insight Into ◽  
Term Data ◽  
Made In

Solar activity research provides insight into the Sun’s past, future (Science Daily, 2018). The solar activity includes observations of large numbers of intense sunspots, flares, and other phenomena; and demands a wide range of techniques and measurements on the observations. This research needs long term data collection before critical analyses can occur, to generate meaningful learning and knowledge. In this project, we will use solar imaging to make observations of solar activity, and take our baby steps to make contributions in citizen science. Observations will be made in 3 wavelengths to gain a more thorough analysis by looking at different perspectives of the Sun, namely H-Alpha, Calcium-K, and white light.

scholarly journals Ca II K spectroheliograms for studies of long-term changes in solar irradiance

2018 ◽  
Vol 13 (S340) ◽  
pp. 125-128 ◽  
Author(s):  
Theodosios Chatzistergos ◽  
Ilaria Ermolli ◽  
Natalie A. Krivova ◽  
Sami K. Solanki
Keyword(s):  
Solar Activity ◽  
Solar Irradiance ◽  
Long Term Changes

AbstractWe address the importance of historical full-disc Ca II K spectroheliograms for solar activity and irradiance reconstruction studies. We review our work on processing such data to enable them to be used in irradiance reconstructions. We also present our preliminary estimates of the plage areas from five of the longest available historical Ca II K archives.

Long-term cosmic ray/solar activity hysteresis phenomenon and properties of solar wind for the last 200 years

1999 ◽  
Author(s):  
L. I. Dorman ◽  
G. Villoresi ◽  
I. V. Dorman ◽  
N. Iucci ◽  
M. Parisi
Keyword(s):  
Solar Wind ◽  
Solar Activity ◽  
Cosmic Ray ◽  
Hysteresis Phenomenon
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