Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:sunspot_number
|
| gptkbp:alsoKnownAs |
gptkb:Zurich_number
|
| gptkbp:calculationMethod |
visual observation of the Sun
|
| gptkbp:component |
number of individual sunspots
number of sunspot groups |
| gptkbp:form |
R = k (10g + s)
|
| gptkbp:hasUnit |
dimensionless
|
| gptkbp:historicalDataFrom |
1700s
|
| https://www.w3.org/2000/01/rdf-schema#label |
Wolf sunspot number
|
| gptkbp:importantFor |
solar cycle studies
|
| gptkbp:introducedIn |
1848
|
| gptkbp:maintainedBy |
gptkb:Royal_Observatory_of_Belgium
|
| gptkbp:namedAfter |
gptkb:Rudolf_Wolf
|
| gptkbp:relatedTo |
International Sunspot Number
|
| gptkbp:usedBy |
solar physicists
|
| gptkbp:usedFor |
measuring sunspot activity
|
| gptkbp:bfsParent |
gptkb:NOAA_sunspot_number
|
| gptkbp:bfsLayer |
6
|