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
| 24
|
| Galaxies: Active
| 15
|
| Astrophysics - Solar And Stellar Astrophysics [S]
| 13
|
| Quasars: General
| 10
|
| Astrophysics - High Energy Astrophysical Phenomena [S]
| 10
|
| Astrophysics - Cosmology And Nongalactic Astrophysics
| 9
|
| Galaxies: High-redshift
| 8
|
| Extinction
| 7
|
| Dust
| 7
|
| Quasars: Supermassive Black Holes
| 7
|
| Reionization
| 7
|
| Infrared: Galaxies
| 6
|
| Galaxies: Nuclei
| 6
|
| Astrophysics - Instrumentation And Methods For Astrophysics
| 6
|
| Galaxies: Evolution
| 6
|
| Dark Ages
| 6
|
| First Stars
| 6
|
| Intergalactic Medium
| 5
|
| Quasars: Emission Lines
| 5
|
| Accretion
| 4
|
| Techniques: Spectroscopic
| 4
|
| Galaxies: Seyfert
| 4
|
| Infrared: Stars
| 4
|
| Accretion Disks
| 4
|
| Stars: Fundamental Parameters
| 3
|
| Galaxies: Starburst
| 3
|
| Near Infrared Astronomy
| 3
|
| Stars: Late-type
| 3
|
| X-rays: Galaxies
| 3
|
| Astrophysics - Cosmology And Extragalactic Astrophysics
| 3
|
| Quasars
| 3
|
| Galaxies: Abundances
| 2
|
| ISM: Molecules
| 2
|
| ISM: Lines And Bands
| 2
|
| Spectroscopy
| 2
|
| Chemical Abundances
| 2
|
| Supermassive Black Holes
| 2
|
| Stars: Abundances
| 2
|
| Active Galaxies
| 2
|
| Stars: Atmospheres
| 2
|
| Stars: Winds
| 2
|
| Galaxies: ISM
| 2
|
| Galaxies: Stellar Content
| 2
|
| Astrophysics - Earth And Planetary Astrophysics
| 2
|
| Outflows
| 2
|
| Active Galactic Nuclei
| 2
|
| High Resolution Spectroscopy
| 2
|
| Astrophysics
| 2
|
| Supernovae: General
| 2
|
| Line: Formation
| 2
|
| Supergiants
| 2
|
| X-ray Active Galactic Nuclei
| 2
|
| Protoplanetary Disks
| 2
|
| Cosmology: Observations
| 1
|
| Cosmic Background Radiation
| 1
|
| Comets: Individual: C&2013 R1 (Lovejoy
| 1
|
| Comets: General
| 1
|
| Black Hole Physics
| 1
|
| Atomic Processes
| 1
|
| Atlases
| 1
|
| Astrophysics - Galaxy Astrophysics
| 1
|
| Astronomy Data Reduction
| 1
|
| Astronomy
| 1
|
| μ Leo
| 1
|
| Zodiacal Dust
| 1
|
| X-rays: Galaxies: Clusters
| 1
|
| T Tauri Stars
| 1
|
| Stellar Winds
| 1
|
| Stellar Spectral Lines
| 1
|
| Stellar Atmospheres
| 1
|
| Stellar Abundances
| 1
|
| Stars: Variables: General
| 1
|
| Stars: Pre-main Sequence
| 1
|
| Stars: Mass-loss
| 1
|
| Stars: Individual: Arcturus
| 1
|
| Stars: Individual: 21 Lyn
| 1
|
| Stars: Individual (P Cygni)
| 1
|
| Stars: Formation
| 1
|
| Star Formation
| 1
|
| Spectral Line Lists
| 1
|
| Spectral Line Identification
| 1
|
| Scattering
| 1
|
| Radiation Mechanisms: General
| 1
|
| Quasars: Individual: APM 08279+5255
| 1
|
| Pre-main Sequence Stars
| 1
|
| Population III Stars
| 1
|
| Open Clusters And Associations: Individual: Cygnus OB2 Association
| 1
|
| Observational Astronomy
| 1
|
| Nucleosynthesis
| 1
|
| Molecules
| 1
|
| Line: Identification
| 1
|
| Late-type Supergiant Stars
| 1
|
| Late-type Stars
| 1
|
| Late-type Giant Stars
| 1
|
| Late-type Dwarf Stars
| 1
|
| ISM: Individual Objects: MBM32
| 1
|
| ISM: Clouds
| 1
|
| Interstellar Molecules
| 1
|
| Interstellar Medium
| 1
|
| Interstellar Dust Extinction
| 1
|
| Interstellar
| 1
|
| Instrumentation: Spectrographs
| 1
|
| Infrared: ISM
| 1
|
| Infrared
| 1
|
| Herbig Ae/Be Stars
| 1
|
| Globular Clusters: Individual: NGC 5927
| 1
|
| Galaxies: Individual: TSPS J1329–0957
| 1
|
| Galaxies: Individual: SST J1604+4304
| 1
|
| Galaxies: Individual (1H 0707-495)
| 1
|
| Galaxies: Formation
| 1
|
| Galaxies: Clusters: Intracluster Medium
| 1
|
| Galaxies: Clusters: Individual: A426
| 1
|
| Earth
| 1
|
| Diffuse Radiation
| 1
|
| Diffuse Interstellar Bands
| 1
|
| Dark Matter
| 1
|
| Spectrophotometry
| 1
|