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
|