sunspot number index

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instanceOf astronomical index
gptkbp:alsoKnownAs gptkb:Wolf_number
gptkb:Zurich_number
gptkbp:correlates_with geomagnetic activity
solar irradiance
gptkbp:data_available_since 1700
gptkbp:developedBy gptkb:Rudolf_Wolf
gptkbp:form R = k (10g + s)
gptkbp:g number of sunspot groups
https://www.w3.org/2000/01/rdf-schema#label sunspot number index
gptkbp:introduced 1848
gptkbp:kraj observer correction factor
gptkbp:maintainedBy World Data Center SILSO
gptkbp:measures number of sunspots
gptkbp:publishedBy gptkb:Royal_Observatory_of_Belgium
gptkbp:R gptkb:sunspot_number
gptkbp:relatedTo Group Sunspot Number
gptkbp:s number of individual sunspots
gptkbp:used_in space weather forecasters
solar activity studies
gptkbp:usedFor solar cycle analysis
gptkbp:bfsParent gptkb:NOAA_sunspot_number
gptkbp:bfsLayer 6