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 - Earth And Planetary Astrophysics
| 6
|
| Techniques: Spectroscopic
| 5
|
| Methods: Observational
| 4
|
| Comets
| 3
|
| Atomic Spectroscopy
| 3
|
| Short Period Comets
| 3
|
| Comets: General
| 3
|
| Molecular Processes
| 2
|
| Oort Cloud
| 2
|
| Telescopes
| 2
|
| Hubble Space Telescope
| 1
|
| Comets: Individual: C/2016 R2
| 1
|
| Comets: Individual: C/2014 Q2
| 1
|
| Comets: Individual: 2I/Borisov
| 1
|
| Comae
| 1
|
| Ultraviolet Observatories
| 1
|
| Ultraviolet Astronomy
| 1
|
| Techniques: Photometric
| 1
|
| Spectral Line Identification
| 1
|
| Solar System
| 1
|
| Small Solar System Bodies
| 1
|
| Physics - Atomic Physics
| 1
|
| Molecular Spectroscopy
| 1
|
| Minor Planets
| 1
|
| Laboratory Astrophysics
| 1
|
| Asteroids: Individual: 2014 JO25
| 1
|