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 - Astrophysics Of Galaxies
| 16
|
| Astrophysics - High Energy Astrophysical Phenomena [S]
| 15
|
| Astrophysics - Cosmology And Nongalactic Astrophysics
| 7
|
| Galaxy Clusters
| 5
|
| Astrophysics - Instrumentation And Methods For Astrophysics
| 3
|
| X-ray Astronomy
| 3
|
| Intracluster Medium
| 2
|
| Galaxies: Haloes
| 2
|
| Galaxies: Formation
| 2
|
| Galaxies: Evolution
| 2
|
| Galaxies: Clusters: Intracluster Medium
| 2
|
| Circumgalactic Medium
| 2
|
| Active Galactic Nuclei
| 2
|
| X-rays: Galaxies: Clusters
| 2
|
| Ionization
| 1
|
| High Resolution Spectroscopy
| 1
|
| High Energy Astrophysics
| 1
|
| Globular Clusters: General
| 1
|
| Galaxy Evolution
| 1
|
| Stellar Feedback
| 1
|
| Astrophysics - Solar And Stellar Astrophysics [S]
| 1
|
| X-ray Observatories
| 1
|
| X-ray Sources
| 1
|
| X-rays: Galaxies
| 1
|
| Galaxies: Clusters: General
| 1
|
| Galaxies: Active
| 1
|
| Galactic Cosmic Rays
| 1
|
| Disk Galaxies
| 1
|
| Abell Clusters
| 1
|
| Atomic Spectroscopy
| 1
|
| Atomic Physics
| 1
|
| Software: Development
| 1
|
| Seyfert Galaxies
| 1
|
| Quasars: Supermassive Black Holes
| 1
|
| Quasars
| 1
|
| Photoionization
| 1
|
| Molecular Data
| 1
|
| Large-scale Structure Of The Universe
| 1
|
| Atomic Data
| 1
|