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Resource Record Summary

Catalog Service:
Hemispheric Sunspot Numbers 1945-2004

Short name: J/A+A/447/735
IVOA Identifier: ivo://CDS.VizieR/J/A+A/447/735
DOI (Digital Object Identifier): 10.26093/cds/vizier.34470735
Publisher: CDS[+][Pub. ID]
More Info: https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/447/735
VO Compliance: Level 2: This is a VO-compliant resource.
Status: active
Registered: 2006 Apr 16 20:31:56Z
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Description


From sunspot drawings provided by the Kanzelhoehe Solar Observatory, Austria, and the Skalnate Pleso Observatory, Slovak Republic, a data catalogue of hemispheric Sunspot Numbers covering the time span 1945-2004 is extracted. The validated catalogue includes daily, monthly-mean and smoothed-monthly relative sunspot numbers for the northern and southern hemispheres separately and is available for scientific use. Based on this data set an analysis concerning the North-South asymmetry is made within this paper.

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