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]
| 26
|
| Sunspots [S]
| 20
|
| Sun: Coronal Mass Ejections
| 18
|
| Sun: Flares [S]
| 17
|
| Physics - Space Physics [H]
| 16
|
| Solar-terrestrial Interactions
| 12
|
| Astrophysics - Earth And Planetary Astrophysics
| 9
|
| Sun: Activity
| 9
|
| Planets And Satellites: Aurorae
| 8
|
| Geomagnetic Fields
| 8
|
| History And Philosophy Of Astronomy
| 8
|
| Solar-terrestrial Relations
| 7
|
| Maunder Minimum
| 7
|
| Space Weather
| 6
|
| Sunspot Cycle
| 6
|
| Sunspot Groups
| 6
|
| Sun: Astrophysics - Solar And Stellar Astrophysics
| 6
|
| Solar Active Regions [S]
| 6
|
| Planets And Satellites: Magnetic Fields
| 5
|
| Physics - Geophysics
| 5
|
| Physics - History And Philosophy Of Physics
| 5
|
| Solar Cycle
| 5
|
| Sunspot Number
| 5
|
| Magnetic Storm
| 4
|
| Solar–terrestrial Relations
| 4
|
| Sun: Magnetic Fields
| 4
|
| Eclipses
| 4
|
| Solar Activity
| 4
|
| Solar Storm
| 3
|
| Sun: Sunspots
| 3
|
| Gravitational Wave Astronomy
| 3
|
| General Relativity And Quantum Cosmology
| 3
|
| Sun: Corona [S]
| 3
|
| Sun: Physics - History And Philosophy Of Physics
| 3
|
| Sun: Sunspot
| 3
|
| Aurora
| 3
|
| Astronomical Data Bases: Miscellaneous
| 3
|
| Sun: Dalton Minimum
| 2
|
| Dalton Minimum
| 2
|
| Cosmic Rays
| 2
|
| Gravitational Waves
| 2
|
| Sun: History Of Astronomy
| 2
|
| Solar Cycles
| 2
|
| Solar Eclipses
| 2
|
| Solar Energetic Particles [H]
| 2
|
| Sun: Solar-terrestrial Relationships
| 2
|
| Sunspot
| 2
|
| Sun: Solar Cycle
| 2
|
| History Of Astronomy
| 2
|
| Time
| 2
|
| Total Eclipses
| 2
|
| Aurorae
| 2
|
| Space Climate
| 2
|
| Solar Wind [H]
| 2
|
| Magnetic Storms
| 2
|
| Extreme Event
| 2
|
| Sun: Aurora
| 2
|
| Ring Current
| 2
|
| Sun: Filaments [S]
| 2
|
| Magnetosphere
| 1
|
| Magnetic Superstorms
| 1
|
| Magnetic Observatory
| 1
|
| Magnetic Observatories
| 1
|
| Magnetic Fields
| 1
|
| Low-latitude Aurorae
| 1
|
| Low-latitude Aurora
| 1
|
| Korean Peninsula
| 1
|
| John Dalton
| 1
|
| Intense Magnetic Storms
| 1
|
| Ibn Buṭlān
| 1
|
| History
| 1
|
| Historical Weather Observations
| 1
|
| Historical Records
| 1
|
| Historical Event
| 1
|
| Historical Data
| 1
|
| Historical Astronomy
| 1
|
| Great Auroral Storms
| 1
|
| Gravitational Wave Sources
| 1
|
| (<italic>sun</italic>:) Solar-terrestrial Relations
| 1
|
| Geomagnetism
| 1
|
| Geomagnetic Storms
| 1
|
| Geoelectric Hazards
| 1
|
| Gamma-ray Bursts
| 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 Ionosphere
| 1
|
| Earth (planet)
| 1
|
| Earth
| 1
|
| Comets: Individual (c/1240 B1)
| 1
|
| Comets: General
| 1
|
| Cometary Plasma Tail: Solar Wind
| 1
|
| Citizen Science
| 1
|
| Chinese Unaided-eye Observation
| 1
|
| Celestial Mechanics
| 1
|
| Carrington Storm
| 1
|
| Carrington Event
| 1
|
| Byzantine Numismatics
| 1
|
| Byzantine Empire
| 1
|
| Auroral Oval
| 1
|
| Astrophysics - High Energy Astrophysical Phenomena [S]
| 1
|
| Astrophysics - Cosmology And Nongalactic Astrophysics
| 1
|
| Astronomy Databases
| 1
|
| Weather Dynamics
| 1
|
| Visualization
| 1
|
| Uv Radiation
| 1
|
| Thermosphere Density
| 1
|
| The Sun [S]
| 1
|
| The Lost Cycle
| 1
|
| Telescopes
| 1
|
| Surveys
| 1
|
| Sun: X-rays [S]
| 1
|
| Sun: Venus Transit
| 1
|
| Sun: Unaided-eye Sunspot
| 1
|
| Sun: Sunspot Observations
| 1
|
| Sun: Sunspot Number
| 1
|
| Sun: Sunspot Drawings
| 1
|
| Sun: Sun
| 1
|
| Sun: Statistics
| 1
|
| Sun: Space Climate
| 1
|
| Sun: Solar Dynamo
| 1
|
| Sun: Rotation [S]
| 1
|
| Sun: Radio Radiation [S]
| 1
|
| Sun: Physics - Space Physics
| 1
|
| Sun: Particle Emission
| 1
|
| Sun: Observations
| 1
|
| Sun: Maunder Minimum
| 1
|
| Sun: Magnetic Field
| 1
|
| Sun: Machine Learning
| 1
|
| Sun: Lost Cycles
| 1
|
| Sun: Group Sunspot Number
| 1
|
| Sun: Geomagnetic Storm
| 1
|
| Sun: General
| 1
|
| Sun: Cme
| 1
|
| Sun: Chinese Records
| 1
|
| Storm Effects
| 1
|
| Stellar Activity
| 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 Particle Emission
| 1
|
| Solar Coronal Streamers
| 1
|
| Solar Coronal Mass Ejection Shocks
| 1
|
| Solar Coronal Holes [S]
| 1
|
| Sn 1054
| 1
|
| Seungjeongwon Ilgi
| 1
|
| Scientific History
| 1
|
| Satellite Orbital Drag
| 1
|
| Royal Greenwich Observatory
| 1
|
| Recurrent Storms
| 1
|
| Planetary Magnetospheres
| 1
|
| Physics - Popular Physics
| 1
|
| Physics - Plasma Physics [H]
| 1
|
| Physics - Atmospheric And Oceanic Physics
| 1
|
| Natural Hazard
| 1
|
| Meteorology
| 1
|
| Maritime Observation
| 1
|
| (sun:) Solar-terrestrial Relations
| 1
|
| (<italic>sun</italic>:) Sunspots
| 1
|
| Gravitational Wave Detectors
| 1
|