MLchartDataset catalogue

Sunspot Number

Term · Meteorology and atmospheric science · MLC-T-MET-002702

In solar-terrestrial terms, a daily index of sunspot activity (R), defined as
R = k (10 g + s) where S = number of individual spots, g =
number of sunspot groups, and k is an observatory factor.

Table 1. Record
IdentifierMLC-T-MET-002702
FieldMeteorology and atmospheric science
ReferencesNWS Glossary
Record as JSON 
{
  "id": "MLC-T-MET-002702",
  "term": "Sunspot Number",
  "field": "Meteorology and atmospheric science",
  "definition": "In solar-terrestrial terms, a daily index of sunspot activity (R), defined as\nR = k (10 g + s) where S = number of individual spots, g =\nnumber of sunspot groups, and k is an observatory factor.",
  "references": [
    "NWS Glossary"
  ],
  "url": "https://mlchart.com/terminology/meteorology/sunspot-number/"
}

Record 2,701 of 3,164 in Meteorology and atmospheric science terminology (MLC-0110). Request the full dataset.