The table below shows the most common keywords used by the author. The letters in brackets after some keywords denote if the keyword corresponds to Solar Physics (S) or Heliospheric Physics (H).
| Keyword
| Occurrences
|
|---|
| Solar Activity
| 7
|
| Sun: Sunspots
| 6
|
| Sunspot Number
| 6
|
| Solar Cycle
| 6
|
| Sun: Solar Activity
| 5
|
| Sun: Astrophysics - Solar And Stellar Astrophysics
| 5
|
| Sun: Sunspot Number
| 5
|
| Sun: Solar Cycle
| 4
|
| Sun: Statistics
| 4
|
| Maunder Minimum
| 3
|
| Sun: Observations
| 3
|
| Sunspots [S]
| 3
|
| Sun: Fourier Transform
| 2
|
| The Sun [S]
| 2
|
| Spain
| 2
|
| Sun: Sunspot Area
| 2
|
| Pyrheliometer
| 2
|
| Sun: Time Series Analysis
| 2
|
| Sun: Machine Learning
| 2
|
| Historical Records
| 2
|
| Sun: Morphological Classification Of Sunspots
| 1
|
| Sun: Hemispheric Sunspot Number
| 1
|
| Sun: Filaments [S]
| 1
|
| Sun: Cortie Classification
| 1
|
| Sun: Catalogs
| 1
|
| Space Climate
| 1
|
| Solar Radius
| 1
|
| Precipitable Water
| 1
|
| Portugal
| 1
|
| Physics - Atmospheric And Oceanic Physics
| 1
|
| Meteors
| 1
|
| Madrid Astronomical Observatory
| 1
|
| Machine Learning
| 1
|
| Infrared Thermometer
| 1
|
| Astronomy Databases
| 1
|
| Validation
| 1
|
| Time Series Analysis
| 1
|
| Sunspot Groups
| 1
|
| Sunspot Cycle
| 1
|
| Sunspot
| 1
|
| Sunshine Duration
| 1
|
| Sun: Zurich Classification
| 1
|
| Sun: Sunspot-number Series
| 1
|
| Sun: Sunspot Catalogue
| 1
|
| Sun: Sunspot Catalogs
| 1
|
| Sun: Sun: Sunspots
| 1
|
| Sun: Sun: General
| 1
|
| Sun: Sun: Activity
| 1
|
| Sun: Sun
| 1
|
| Sun: Solar Radius
| 1
|
| Sun: Solar Observations
| 1
|
| Sun: Solar Hemisphere
| 1
|
| Sun: Rgo Classification
| 1
|
| Sun: Physics - History And Philosophy Of Physics
| 1
|
| Global Navigation Satellite Systems
| 1
|
| Fast Fourier Transform
| 1
|
| Early Dimming
| 1
|
| Early Brightening
| 1
|
| Direct Solar Radiation
| 1
|
| Direct Solar Irradiance
| 1
|
| Dimming
| 1
|
| Cloud Cover
| 1
|
| Brightening
| 1
|
| Atmospheric Transparency
| 1
|
| Atmospheric Column Transparency
| 1
|
| Water Vapor
| 1
|