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
| 30
|
| Astrometry
| 12
|
| Masers
| 11
|
| Astrophysics - Solar And Stellar Astrophysics [S]
| 10
|
| Very Long Baseline Interferometry
| 7
|
| Astrophysics - Instrumentation And Methods For Astrophysics
| 7
|
| Stars: Formation
| 6
|
| Radio Astrometry
| 6
|
| Trigonometric Parallax
| 5
|
| Astrophysics - Cosmology And Nongalactic Astrophysics
| 5
|
| Astrophysics - High Energy Astrophysical Phenomena [S]
| 5
|
| Star Formation
| 5
|
| Parallaxes
| 4
|
| Proper Motions
| 4
|
| Supermassive Black Holes
| 4
|
| Galaxy: Kinematics And Dynamics
| 4
|
| Techniques: High Angular Resolution
| 4
|
| Galaxies: Active
| 4
|
| Galaxies: Nuclei
| 4
|
| Accretion
| 4
|
| Accretion Disks
| 4
|
| Water Masers
| 3
|
| Astrophysical Masers
| 3
|
| Techniques: Interferometric
| 3
|
| Galaxy: Structure
| 3
|
| Supergiants
| 2
|
| Radio Continuum: Stars
| 2
|
| Observational Cosmology
| 2
|
| Non-thermal Radiation Sources
| 2
|
| Milky Way Rotation
| 2
|
| Milky Way Dynamics
| 2
|
| Methods: Data Analysis
| 2
|
| Megamasers
| 2
|
| Interstellar Masers
| 2
|
| Galaxies: ISM
| 2
|
| Galactic Center
| 2
|
| Distance Indicators
| 2
|
| Circumstellar Masers
| 2
|
| Atmospheric Effects
| 2
|
| ASTRONOMY
| 2
|
| Galaxy: Fundamental Parameters
| 2
|
| Stars: Individual: G009.62+00.20
| 1
|
| Stellar Motion
| 1
|
| Astrophysics - Earth And Planetary Astrophysics
| 1
|
| Mira Variable Stars
| 1
|
| Techniques
| 1
|
| Milky Way Galaxy Physics
| 1
|
| Milky Way Galaxy
| 1
|
| The Milky Way
| 1
|
| Milky Way
| 1
|
| Milk Way
| 1
|
| VLBI
| 1
|
| Methanol
| 1
|
| Astrophysical Black Holes
| 1
|
| Stars: Individual: RT Virgins
| 1
|
| ISM: Molecules
| 1
|
| ISM: Kinematics And Dynamics
| 1
|
| ISM: Individual Objects: G094.60–1.79
| 1
|
| ISM: Atoms
| 1
|
| X-rays: Stars
| 1
|
| Hubble Constant
| 1
|
| Herbig Ae/Be
| 1
|
| Gravitational Wave Sources
| 1
|
| Gravitational Lensing: Micro
| 1
|
| Stars: Individual: V838 Monocerotis
| 1
|
| Stars: Individual: VX Sgr
| 1
|
| Stars: Late-type
| 1
|
| Galaxy: Center
| 1
|
| Galaxy Distances
| 1
|
| Galaxies: Seyfert
| 1
|
| Stars: Low-mass
| 1
|
| Astronomical Methods
| 1
|
| Galaxies: Individual: NGC 5765b
| 1
|
| Stars: Variables: T Tauri
| 1
|
| Astronomical Coordinate Systems
| 1
|
| G188.94+0.88
| 1
|
| G173.48+2.44
| 1
|
| G136.84+1.16
| 1
|
| G111.25–0.76
| 1
|
| Distances
| 1
|
| Distance Scale
| 1
|
| X-ray Binary Stars
| 1
|
| Distance
| 1
|
| Dark Energy
| 1
|
| Cosmological Parameters
| 1
|
| Annual Parallax
| 1
|
| Catalogs
| 1
|
| Calibration
| 1
|
| Black Hole Physics
| 1
|
| Binaries: General
| 1
|
| Active Galactic Nuclei
| 1
|
| Stellar Distance
| 1
|
| Stars: Distances
| 1
|
| Stars: Coronae
| 1
|
| Stars: Black Holes
| 1
|
| Stars: Atmospheres
| 1
|
| Stars: AGB And Post-AGB
| 1
|
| Stars: Fundamental Parameters
| 1
|
| Spiral Structure
| 1
|
| Silicon Monoxide Masers
| 1
|
| Radio Lines: Stars
| 1
|
| Stellar Kinematics
| 1
|
| Stars: Imaging
| 1
|
| Quasars: Supermassive Black Holes
| 1
|
| Pulsars: Individual: J1745–2900
| 1
|
| Pulsars: General
| 1
|
| Stars: Individual: LSPM J1314+1320
| 1
|