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 - High Energy Astrophysical Phenomena [S]
| 108
|
| X-rays: Galaxies
| 58
|
| Galaxies: Seyfert
| 56
|
| Astrophysics - Astrophysics Of Galaxies
| 51
|
| Galaxies: Active
| 48
|
| Quasars: Absorption Lines
| 31
|
| Astrophysics - Cosmology And Nongalactic Astrophysics
| 27
|
| Astrophysics
| 22
|
| Techniques: Spectroscopic
| 21
|
| X-rays: Binaries
| 20
|
| Extinction
| 20
|
| X-rays: ISM
| 18
|
| Dust
| 15
|
| Astrophysics - Instrumentation And Methods For Astrophysics
| 13
|
| Accretion
| 11
|
| Galaxies: Nuclei
| 10
|
| Ultraviolet: Galaxies
| 10
|
| Astrophysics - Cosmology And Extragalactic Astrophysics
| 9
|
| ISM: Abundances
| 9
|
| Galaxies: Individual: Mrk 509
| 9
|
| Quasars: Emission Lines
| 8
|
| Astrochemistry
| 7
|
| Astrophysics - Galaxy Astrophysics
| 6
|
| Black Hole Physics
| 6
|
| X-rays: General
| 6
|
| X-rays: Galaxies: Clusters
| 6
|
| Seyfert Galaxies
| 6
|
| Accretion Disks
| 6
|
| Galaxies: Individual: NGC 5548
| 6
|
| ISM: Supernova Remnants
| 6
|
| ISM: Dust
| 5
|
| Quasars: General
| 5
|
| Instrumentation: Spectrographs
| 5
|
| Active Galactic Nuclei
| 5
|
| Galaxies: Individual: Mrk 279
| 5
|
| Galaxies: Individual: NGC 3783
| 5
|
| Methods: Data Analysis
| 5
|
| Methods: Observational
| 5
|
| Galaxies: Individual: NGC 7469
| 4
|
| X-ray Active Galactic Nuclei
| 4
|
| Galaxies: Abundances
| 4
|
| X-ray
| 4
|
| X-rays: Stars
| 4
|
| Astrophysics - Solar And Stellar Astrophysics [S]
| 4
|
| Stars: Neutron
| 4
|
| Galaxies: Clusters: Intracluster Medium
| 3
|
| Physics - Atomic Physics
| 3
|
| High Resolution Spectroscopy
| 3
|
| Scattering
| 3
|
| X-rays: Individuals: 4U 1820-30
| 3
|
| X-ray Spectroscopy
| 3
|
| X-rays: Individuals: EXO 0748-676
| 3
|
| X-ray Bursts
| 3
|
| ISM: Structure
| 3
|
| Astrophysics - Earth And Planetary Astrophysics
| 3
|
| X-ray Astronomy
| 3
|
| Active And Peculiar Galaxies And Related Systems
| 3
|
| Accretion Discs
| 3
|
| 98.54.Cm
| 3
|
| 95.85.Nv
| 3
|
| Galaxies: Quasars: Absorption Lines
| 2
|
| Condensed Matter - Materials Science
| 2
|
| X-ray Sources
| 2
|
| Diffuse Emission
| 2
|
| X-ray Sources (astronomical)
| 2
|
| Equation Of State
| 2
|
| X-ray Spectra
| 2
|
| Galaxy: Center
| 2
|
| Quasars
| 2
|
| X-rays
| 2
|
| AGN Jets
| 2
|
| Galaxies: Individual: I Zw 1
| 2
|
| Gamma-ray Bursts
| 2
|
| Interstellar Dust Grains
| 2
|
| Galactic Nuclei
| 2
|
| X-rays: Bursts
| 2
|
| Galactic Nuclei Circumnuclear Matter And Bulges
| 2
|
| Galaxies: Clusters: Individual (Perseus)
| 2
|
| Outflows
| 2
|
| Infrared Cirrus
| 2
|
| 98.70.Qy
| 2
|
| Galaxies: General
| 2
|
| Physics - Plasma Physics [H]
| 2
|
| 98.62.Js
| 2
|
| Interstellar Matter
| 2
|
| 98.58.Ca
| 2
|
| Stars: Binaries: General
| 2
|
| ISM: Kinematics And Dynamics
| 2
|
| Line: Formation
| 2
|
| Galaxies: Individual (NGC 1275)
| 2
|
| Quasars: Individual: Mrk 509
| 2
|
| Clusters Of Galaxies
| 2
|
| Hydrodynamics
| 1
|
| HII Regions
| 1
|
| High-energy Astrophysics
| 1
|
| High Energy Astrophysics
| 1
|
| Gravitational Waves
| 1
|
| General Relativity And Quantum Cosmology
| 1
|
| General
| 1
|
| Gamma-ray Burst: Individual: GRB 160623A
| 1
|
| Gamma-ray Astronomy
| 1
|
| Galaxy: Abundances
| 1
|
| Galaxy Clusters
| 1
|
| Galaxies:active
| 1
|
| Galaxies: Starburst
| 1
|
| Galaxies: Radio Galaxy
| 1
|
| Galaxies: Radio Galaxies
| 1
|
| GALAXIES: QUASARS: GENERAL
| 1
|
| GALAXIES: QUASARS: EMISSION LINES
| 1
|
| Galaxies: Jets
| 1
|
| Galaxies: Indiviual: Mrk 509
| 1
|
| Galaxies: Individuals:PKS1502+106
| 1
|
| Galaxies: Individuals:Mrk 841
| 1
|
| Galaxies: Individuals:Mrk 509
| 1
|
| Galaxies: Individual: QSO J2359–1241
| 1
|
| Galaxies: Individual: NGC Number: NGC 3516
| 1
|
| Galaxies: Individual: NGC 7314
| 1
|
| Galaxies: Individual: NGC 6240
| 1
|
| Galaxies: Individual: NGC 4593
| 1
|
| Galaxies: Individual: NGC 4051
| 1
|
| Galaxies: Individual: NGC 3227
| 1
|
| Galaxies: Individual: NGC 2617
| 1
|
| Galaxies: Individual: Name: Markarian 279
| 1
|
| Galaxies: Individual: Mrk 841
| 1
|
| Galaxies: Individual: Mrk 705
| 1
|
| Galaxies: Individual: Mrk 110
| 1
|
| Galaxies: Individual: IZw1
| 1
|
| Galaxies: Individual: IRAS 13224-3809
| 1
|
| Galaxies: Individual: 4C +74.26
| 1
|
| Galaxies: Individual: 1H0419-577
| 1
|
| Galaxies: Individual: 1H 0419-577
| 1
|
| Galaxies: Individual (Mrk 279)
| 1
|
| Galaxies: High-redshift
| 1
|
| Galaxies: Haloes - X-rays: Bursts
| 1
|
| Galaxies: Haloes
| 1
|
| Galaxies: Clusters: Individual: NGC 7469
| 1
|
| Galaxies: Clusters: Individual: A426
| 1
|
| Galaxies: Clusters: Individual: 1RXS J160147.6-754507
| 1
|
| Galaxies: Clusters: Individual: 1RXS J153934.7-833535
| 1
|
| Galaxies: Clusters: Individual: 1RXS J081232.3-571423
| 1
|
| Galaxies: Clusters: Individual: 1H 0419
| 1
|
| Galaxies: Clusters: Individual (Perseus Cluster)
| 1
|
| Galaxies: Clusters:
| 1
|
| Galaxies:
| 1
|
| GALACTIC DIFFUSE EMISSION AND SURVEYS
| 1
|
| Flare Stars
| 1
|
| First Stars
| 1
|
| Fine Structure
| 1
|
| Fine And Hyperfine Structure
| 1
|
| Evolution
| 1
|
| Emission And Reflection Nebulae
| 1
|
| Eclipses Transits And Occultations
| 1
|
| Distances Redshifts Radial Velocities
| 1
|
| Dense Matter
| 1
|
| Dark Matter
| 1
|
| Cosmic EUV
| 1
|
| Composition Energy Spectra And Interactions
| 1
|
| Circumstellar
| 1
|
| Chemical Evolution
| 1
|
| Cataclysmic Variables
| 1
|
| Cataclysmic Binaries
| 1
|
| Broad-absorption Line Quasar
| 1
|
| Brightness
| 1
|
| Black Holes
| 1
|
| Binary Stars
| 1
|
| Binaries: General
| 1
|
| Binaries: Eclipsing
| 1
|
| Atomic Processes
| 1
|
| Atomic Data
| 1
|
| Astrophysical Black Holes
| 1
|
| ASTRONOMY, Chemistry, Astronomy, Materials-Science
| 1
|
| Astronomical Observations
| 1
|
| Astronomical Catalogs Atlases Sky Surveys Databases Retrieval Systems Archives Etc.
| 1
|
| Astrometric And Interferometric Binaries
| 1
|
| Artificial Earth Satellites
| 1
|
| Artificial
| 1
|
| Active Galaxies
| 1
|
| Accretion And Accretion Disks
| 1
|
| Abundances
| 1
|
| Absorption Lines
| 1
|
| 98.65.Cw
| 1
|
| 98.62.Py
| 1
|
| 98.58.Hf
| 1
|
| 98.54.Aj
| 1
|
| 97.80.Af
| 1
|
| 97.10.Xq
| 1
|
| 96.50.sb
| 1
|
| (Cosmology:) Dark Ages
| 1
|
| X-rays: Individuals: NGC 5548
| 1
|
| X-rays: Individuals: LMC X-1
| 1
|
| X-rays: Individuals: GX5-1
| 1
|
| X-rays: Individuals: GX340+00
| 1
|
| X-rays: Individuals: GX3+1
| 1
|
| X-rays: Individuals: GX 5-1
| 1
|
| X-rays: Individuals: GX 3+1
| 1
|
| X-rays: Individuals: Cygnus X-2
| 1
|
| X-rays: Individuals: Crab
| 1
|
| X-rays: Individual: 1E 1547.0-5408
| 1
|
| X-rays: Individual (N 132 D)
| 1
|
| X-rays: Individual (Crab)
| 1
|
| X-rays:
| 1
|
| X-ray Observatories
| 1
|
| X-ray Microcalorimeters
| 1
|
| X-ray Binary Stars
| 1
|
| X-ray Binaries
| 1
|
| Warm-hot Intergalactic Medium
| 1
|
| UV Spectroscopy
| 1
|
| Ultraviolet: General
| 1
|
| Ultraviolet Observatories
| 1
|
| Telescopes Surveys
| 1
|
| Techniques: Imaging Spectroscopy
| 1
|
| Techniques: High Angular Resolution
| 1
|
| Surveys
| 1
|
| Supernova Remnants
| 1
|
| Stellar Mass Black Holes
| 1
|
| Stars: Winds
| 1
|
| Stars: Magnetars
| 1
|
| Stars: Individual: EXO 0748-676
| 1
|
| Stars: Individual (IGR J16318-4848)
| 1
|
| Stars: Abundances
| 1
|
| Spectroscopy
| 1
|
| Spectral Line Broadening
| 1
|
| Spatial Distribution Of Galaxies
| 1
|
| Space Research Instruments
| 1
|
| Space Cryogenics
| 1
|
| Sky Surveys
| 1
|
| Seyfert
| 1
|
| Satellites
| 1
|
| Resolved AGN Jet Structures
| 1
|
| Reionization
| 1
|
| Redshift
| 1
|
| Radio Continuum: Stars
| 1
|
| Radio Continuum: Galaxies
| 1
|
| Quasars: X-Ray Surveys
| 1
|
| Quasars: Supermassive Black Holes
| 1
|
| Quasars: Individual: SDSS J0318-0600
| 1
|
| Quasars: Individual: QSO 2359-1241
| 1
|
| Quasars: Individual: NGC 5548
| 1
|
| Quasars: Individual: NGC 4051
| 1
|
| Quasars: Individual: IZw1
| 1
|
| Quasars: Individual: IRAS F04250–5718
| 1
|
| Quasars: Individual: I Zw 1
| 1
|
| Quasar Absorption Line Spectroscopy
| 1
|
| Pulsars: Individual: 1E 1547.0 - 5408
| 1
|
| Pulsars: Individual (PSR J1833-1034)
| 1
|
| Pulsars: Individual (B0531+21)
| 1
|
| Polarization
| 1
|
| Plasmas
| 1
|
| Plasma Astrophysics
| 1
|
| Photoionization
| 1
|
| Nucleosynthesis
| 1
|
| Nuclear Reactions
| 1
|
| Nuclear Astrophysics
| 1
|
| Novae
| 1
|
| Nebulae
| 1
|
| Multi-messenger Astronomy
| 1
|
| Mission
| 1
|
| Methods: Numerical
| 1
|
| Matter
| 1
|
| Mass Loss And Stellar Winds
| 1
|
| Luminosity And Mass Functions
| 1
|
| Local Interstellar Matter
| 1
|
| Local Insterstellar Matter
| 1
|
| Line: Identification
| 1
|
| ISM: Lines And Bands
| 1
|
| ISM: Individual Objects: North Polar Spur
| 1
|
| ISM: Individual Objects: Holmberg II X-1
| 1
|
| ISM: Individual Objects (N 132 D)
| 1
|
| ISM: Individual Objects (G21.5-0.9)
| 1
|
| ISM: Individual (Crab Nebula)
| 1
|
| ISM: HII Regions
| 1
|
| ISM: Clouds
| 1
|
| Ionisation
| 1
|
| Intracluster Medium
| 1
|
| Interferometry
| 1
|
| Instrumentation: Polarimeters
| 1
|
| Instrumentation
| 1
|
| Infrared: Stars
| 1
|
| Infrared: Galaxies
| 1
|
| 95.80.+p
| 1
|
| 95.40.+s
| 1
|
| 95.10.Gi
| 1
|
| 33.15.Pw
| 1
|
| (Galaxies:) Quasars: Supermassive Black Holes
| 1
|
| (Galaxies:) Quasars: General
| 1
|
| (Galaxies:) Intergalactic Medium
| 1
|
| (Cosmology:) Large-scale Structure Of Universe
| 1
|
| X-rays:galaxies
| 1
|