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
|
|---|
| Astrophysics - Solar And Stellar Astrophysics [S]
| 29
|
| Sunspots [S]
| 23
|
| Sun: Coronal Mass Ejections
| 17
|
| Sun: Flares [S]
| 16
|
| Physics - Space Physics [H]
| 15
|
| Solar-terrestrial Interactions
| 12
|
| Sun: Activity
| 9
|
| Maunder Minimum
| 8
|
| History And Philosophy Of Astronomy
| 8
|
| Physics - History And Philosophy Of Physics
| 8
|
| Planets And Satellites: Aurorae
| 8
|
| Geomagnetic Fields
| 7
|
| Astrophysics - Earth And Planetary Astrophysics
| 7
|
| Solar Cycle
| 7
|
| Solar-terrestrial Relations
| 7
|
| Space Weather
| 6
|
| Sunspot Cycle
| 6
|
| Sunspot Number
| 6
|
| Solar Active Regions [S]
| 5
|
| Sunspot Groups
| 5
|
| Aurora
| 5
|
| Planets And Satellites: Magnetic Fields
| 5
|
| Physics - Geophysics
| 4
|
| Sunspot
| 4
|
| Eclipses
| 4
|
| Sun: Magnetic Fields
| 4
|
| Solar–terrestrial Relations
| 4
|
| Solar Activity
| 4
|
| History Of Astronomy
| 4
|
| Magnetic Storm
| 4
|
| Sun: Corona [S]
| 3
|
| Gravitational Wave Astronomy
| 3
|
| General Relativity And Quantum Cosmology
| 3
|
| Space Climate
| 3
|
| Dalton Minimum
| 3
|
| Astronomical Data Bases: Miscellaneous
| 3
|
| Magnetic Storms
| 2
|
| Solar Wind [H]
| 2
|
| The Sun [S]
| 2
|
| Solar Storm
| 2
|
| Solar Energetic Particles [H]
| 2
|
| Solar Eclipses
| 2
|
| Solar-terrestrial Relationships
| 2
|
| Extreme Event
| 2
|
| Total Eclipses
| 2
|
| Ring Current
| 2
|
| Time
| 2
|
| Gravitational Waves
| 2
|
| Solar Cycles
| 2
|
| Sun: Filaments [S]
| 2
|
| Low-latitude Aurora
| 1
|
| Lost Cycles
| 1
|
| John Dalton
| 1
|
| Intense Magnetic Storms
| 1
|
| Ibn Buṭlān
| 1
|
| History
| 1
|
| Historical Records
| 1
|
| Historical Event
| 1
|
| Historical Data
| 1
|
| Historical Astronomy
| 1
|
| Group Sunspot Number
| 1
|
| Great Auroral Storms
| 1
|
| Gravitational Wave Sources
| 1
|
| Gravitational Wave Detectors
| 1
|
| Geomagnetism
| 1
|
| Geomagnetic Storms
| 1
|
| Geomagnetic Storm
| 1
|
| Geoelectric Hazards
| 1
|
| (<italic>sun</italic>:) Solar-terrestrial Relations
| 1
|
| Gamma Rays [S]
| 1
|
| Forbush Effect
| 1
|
| Extreme Space Weather Events
| 1
|
| Extreme Space Weather Event
| 1
|
| Extreme Events
| 1
|
| Experimental Data
| 1
|
| Earth (planet)
| 1
|
| Earth
| 1
|
| Cosmic Rays
| 1
|
| Comets: Individual (c/1240 B1)
| 1
|
| Comets: General
| 1
|
| Cometary Plasma Tail: Solar Wind
| 1
|
| Cme
| 1
|
| Citizen Science
| 1
|
| Chinese Unaided-eye Observation
| 1
|
| Chinese Records
| 1
|
| Celestial Mechanics
| 1
|
| Carrington Storm
| 1
|
| Carrington Event
| 1
|
| Byzantine Numismatics
| 1
|
| Byzantine Empire
| 1
|
| Auroral Oval
| 1
|
| Aurorae
| 1
|
| Astrophysics - High Energy Astrophysical Phenomena [S]
| 1
|
| Astrophysics - Cosmology And Nongalactic Astrophysics
| 1
|
| Astronomy Databases
| 1
|
| Visualization
| 1
|
| Venus Transit
| 1
|
| Uv Radiation
| 1
|
| Unaided-eye Sunspot
| 1
|
| Thermosphere Density
| 1
|
| The Lost Cycle
| 1
|
| Telescopes
| 1
|
| Surveys
| 1
|
| Sunspot Observations
| 1
|
| Sunspot Drawings
| 1
|
| Sun: X-rays [S]
| 1
|
| Sun: Sunspot
| 1
|
| Sun: Rotation [S]
| 1
|
| Sun: Radio Radiation [S]
| 1
|
| Sun: Particle Emission
| 1
|
| Sun: Magnetic Field
| 1
|
| Sun: Machine Learning
| 1
|
| Sun: General
| 1
|
| Sun: Dalton Minimum
| 1
|
| Storm Effects
| 1
|
| Stellar Activity
| 1
|
| Statistics
| 1
|
| Statistical Analysis
| 1
|
| Starspots
| 1
|
| Stars: Solar-type
| 1
|
| Stars: Activity
| 1
|
| Sporadic Aurora
| 1
|
| Solar-terrestrial Relationship
| 1
|
| Solar X-ray Flares [S]
| 1
|
| Solar White-light Flares
| 1
|
| Solar Dynamo
| 1
|
| Solar Coronal Streamers
| 1
|
| Solar Coronal Mass Ejection Shocks
| 1
|
| Solar Coronal Holes [S]
| 1
|
| Sn 1054
| 1
|
| Scientific History
| 1
|
| Satellite Orbital Drag
| 1
|
| Royal Greenwich Observatory
| 1
|
| Recurrent Storms
| 1
|
| Physics - Popular Physics
| 1
|
| Observations
| 1
|
| Natural Hazard
| 1
|
| Meteorology
| 1
|
| Maritime Observation
| 1
|
| Magnetosphere
| 1
|
| Magnetic Superstorms
| 1
|
| Magnetic Observatory
| 1
|
| Magnetic Observatories
| 1
|
| Magnetic Fields
| 1
|
| Low-latitude Aurorae
| 1
|
| (sun:) Solar-terrestrial Relations
| 1
|
| (<italic>sun</italic>:) Sunspots
| 1
|
| Gamma-ray Bursts
| 1
|