2 papers
astro-ph.SR2024
How does the solar chromospheric activity look like under different inclination angles?
G. Vanden Broeck, S. Bechet, G. Rauw +1
Chromospheric plages are distributed between mid-latitude and the Equator and never close to the Poles. Therefore, we suspect that the inclination angle of the solar rotation axis…
astro-ph.SR2024
Relationship between TIGRE solar S-index and USET Ca II K full disk images
G. Vanden Broeck, S. Bechet, F. Clette +3
Full disk observations of the solar chromosphere in the Ca II K line represent a valuable dataset for studies of solar magnetic activity. The S-index is widely used to investigate…