Calcium S-index J/ApJ/920/21.graph_sql_SSI

Solar irradiance J/ApJ/920/21.graph_sql_TSirradiance

Plage filling factor J/ApJ/920/21.graph_sql_PlPlage

Spot filling factor J/ApJ/920/21.graph_sql_Spspot

Network filling factor J/ApJ/920/21.graph_sql_Nenetwork