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