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
|
|---|
| X-Rays: Stars
| 101
|
| Astrophysics
| 80
|
| Stars: Coronae
| 61
|
| Stars: Activity
| 51
|
| Astrophysics - Solar And Stellar Astrophysics [S]
| 51
|
| Stars: Pre-main Sequence
| 43
|
| STARS: LATE-TYPE
| 38
|
| Stars: Formation
| 31
|
| Astrophysics - High Energy Astrophysical Phenomena [S]
| 24
|
| Heao 2
| 20
|
| Stars: Flare
| 18
|
| Stellar Luminosity
| 16
|
| Astrophysics - Astrophysics Of Galaxies
| 16
|
| STARS: ABUNDANCES
| 14
|
| Stars: Pre-main-sequence
| 14
|
| X Ray Astronomy
| 14
|
| X Ray Sources
| 12
|
| Stars: Early-type
| 12
|
| Astrophysics - Instrumentation And Methods For Astrophysics
| 11
|
| Emission Spectra
| 11
|
| STARS: X-RAYS
| 9
|
| Star Formation
| 9
|
| Proportional Counters
| 9
|
| Late Stars
| 8
|
| X Ray Spectra
| 8
|
| X Ray Stars
| 8
|
| Galaxy: Stellar Content
| 8
|
| Astrophysics - Earth And Planetary Astrophysics
| 8
|
| X-rays
| 8
|
| STARS: ROTATION
| 8
|
| Stellar Coronas
| 7
|
| Spectrum Analysis
| 7
|
| Galaxy: Open Clusters And Associations: Individual: Name: Orion Nebula Cluster
| 7
|
| Stellar Models
| 6
|
| ISM: Supernova Remnants
| 6
|
| X-RAYS: ISM
| 6
|
| Methods: Data Analysis
| 6
|
| Herbig Ae/Be
| 6
|
| Astronomy
| 6
|
| Stars: Luminosity Function
| 6
|
| Astronomical Catalogs
| 6
|
| Stellar Evolution
| 6
|
| Stars: Variables: T Tauri
| 6
|
| Mass Function
| 6
|
| Stars: Low-mass
| 5
|
| Accretion
| 5
|
| Maximum Likelihood Estimates
| 5
|
| X-ray: Stars
| 5
|
| Stellar Spectra
| 5
|
| Spaceborne Astronomy
| 5
|
| Stellar Atmospheres
| 5
|
| Stellar Rotation
| 5
|
| ISM: CLOUDS
| 5
|
| Stars: Magnetic Fields
| 5
|
| 97.80.Jp
| 5
|
| X-ray Binaries
| 5
|
| Techniques: Photometric
| 4
|
| Surveys
| 4
|
| METHODS: STATISTICAL
| 4
|
| B Stars
| 4
|
| Pre-Main Sequence Stars
| 4
|
| Hertzsprung-Russell Diagram
| 4
|
| K Stars
| 4
|
| Accretion Disks
| 4
|
| Sky Surveys (Astronomy)
| 4
|
| Radiant Flux Density
| 4
|
| Pleiades Cluster
| 4
|
| X-ray Astronomy
| 4
|
| Dwarf Stars
| 4
|
| Infrared: Stars
| 4
|
| Sun: Corona [S]
| 4
|
| X-ray
| 4
|
| Planetary Systems
| 4
|
| Corona [S]
| 4
|
| Techniques: Spectroscopic
| 4
|
| Physics
| 4
|
| Stellar Radiation
| 4
|
| O Stars
| 3
|
| Brown Dwarfs
| 3
|
| Astrophysics - Cosmology And Nongalactic Astrophysics
| 3
|
| Rosat Mission
| 3
|
| X-ray Stars
| 3
|
| Stars: Individual: Elias 29
| 3
|
| G Stars
| 3
|
| STARS: EVOLUTION
| 3
|
| Protoplanetary Disks
| 3
|
| Background Radiation
| 3
|
| Main Sequence Stars
| 3
|
| Galactic Structure
| 3
|
| Stellar Spectrophotometry
| 3
|
| X-RAYS: GENERAL
| 3
|
| Catalogs
| 3
|
| Circumstellar Matter
| 3
|
| Milky Way Galaxy
| 3
|
| Galaxy: Open Clusters And Associations: Individual: Blanco 1
| 3
|
| Opacity And Line Formation
| 3
|
| X-RAYS: SOURCES
| 3
|
| Stars: Circumstellar Matter
| 3
|
| Hertzsprung-Russell And C-M Diagrams
| 3
|
| ISM: STRUCTURE
| 3
|
| Far Infrared Radiation
| 3
|
| 97.10.Ex
| 3
|
| ASTROMETRY
| 3
|
| Variable Stars
| 3
|
| H Ii Regions
| 3
|
| Astronomical Models
| 3
|
| 95.85.Nv
| 3
|
| Radiative Transfer [S]
| 3
|
| Spatial Distribution
| 3
|
| Flare Stars
| 3
|
| Astrophysics - Cosmology And Extragalactic Astrophysics
| 3
|
| X-ray Emission Spectra
| 2
|
| Supernova Remnants
| 2
|
| Infrared Stars
| 2
|
| Infrared Spectra
| 2
|
| Proper Motions
| 2
|
| Stars: Massive
| 2
|
| IMF
| 2
|
| Stellar Winds
| 2
|
| Stars: Magnetic Field
| 2
|
| X-ray Bursts
| 2
|
| Gamma-ray Bursts
| 2
|
| Galaxy: Solar Neighbourhood
| 2
|
| Galaxy: Open Clusters And Associations: Individual: NGC Number: NGC 2516
| 2
|
| Planetary Systems: Protoplanetary Disks
| 2
|
| GALAXY: OPEN CLUSTERS AND ASSOCIATIONS: INDIVIDUAL: NGC 2264
| 2
|
| Galaxy: Open Clusters And Associations: Individual: Name: Orion
| 2
|
| Parallaxes
| 2
|
| Outflows
| 2
|
| Warm-hot Intergalactic Medium
| 2
|
| Optical Properties
| 2
|
| Stars: Individual: HD 189733
| 2
|
| Stellar Mass
| 2
|
| STARS: INDIVIDUAL: EV LAC
| 2
|
| OPEN CLUSTERS AND ASSOCIATIONS: INDIVIDUAL: UPPER SCO-CEN
| 2
|
| X-ray Sources (astronomical)
| 2
|
| OPEN CLUSTERS AND ASSOCIATIONS: INDIVIDUAL: PLEIADES
| 2
|
| F Stars
| 2
|
| X-ray Sources
| 2
|
| Open Clusters And Associations: Individual: NGC 6530
| 2
|
| Exosat Satellite
| 2
|
| X-RAYS: GALAXIES
| 2
|
| Open Clusters And Associations: Individual: NGC 2422
| 2
|
| Open Clusters And Associations: Individual: NGC 2264
| 2
|
| Open Clusters And Associations: Individual: NGC 1893
| 2
|
| Stars: Emission-line
| 2
|
| Open Clusters And Associations: General
| 2
|
| Open Clusters And Associations
| 2
|
| Diffuse Radiation
| 2
|
| Open Clusters
| 2
|
| Open Cluster And Association
| 2
|
| Stellar Composition
| 2
|
| X- And Gamma-ray Telescopes And Instrumentation
| 2
|
| Cosmic X Rays
| 2
|
| Stellar Activity
| 2
|
| Convection
| 2
|
| Molecular Clouds
| 2
|
| Computational Astrophysics
| 2
|
| Statistical Analysis
| 2
|
| CLUSTERS: OPEN
| 2
|
| Starspots
| 2
|
| Chamaeleon I
| 2
|
| Methods Of Reduction
| 2
|
| Methods Of Observation
| 2
|
| Cameras
| 2
|
| Star Distribution
| 2
|
| Star Clusters
| 2
|
| X Rays
| 2
|
| BINARIES: CLOSE
| 2
|
| BE
| 2
|
| Stars: Winds
| 2
|
| Spectral Resolution
| 2
|
| Spatial Resolution
| 2
|
| Lithium
| 2
|
| Line Spectra
| 2
|
| Light Curve
| 2
|
| Astronomical Techniques
| 2
|
| Astronomical Spectroscopy
| 2
|
| Astronomical Maps
| 2
|
| Techniques: Image Processing
| 2
|
| Abundance
| 2
|
| A Stars
| 2
|
| 98.70.Qy
| 2
|
| Space Radiation
| 2
|
| 97.10.Bt
| 2
|
| STARS: STATISTICS
| 2
|
| 95.55.Ka
| 2
|
| ISM: Individual: Name: Orion Nebula
| 1
|
| ISM: Individual: Alphanumeric: OMC-1
| 1
|
| ISM: Individual Objects: ρ -Oph Cloud
| 1
|
| ISM: Individual Objects: ρ -Oph
| 1
|
| ISM: INDIVIDUAL OBJECTS: VELA SUPERNOVA REMNANT
| 1
|
| ISM: INDIVIDUAL OBJECTS: VELA SNR
| 1
|
| ISM: Individual Objects: Tycho’s SNR
| 1
|
| ISM: Individual Objects: Serpens Cloud
| 1
|
| ISM: INDIVIDUAL OBJECTS: RCW86
| 1
|
| ISM: Individual Objects: L1551
| 1
|
| ISM: Individual (Vela Supernova Remnant)
| 1
|
| ISM: GENERAL
| 1
|
| INTERSTELLAR: MOLECULES
| 1
|
| Interstellar Matter
| 1
|
| Interstellar Masers
| 1
|
| Interstellar Gas
| 1
|
| Interstellar Extinction
| 1
|
| Interplanetary Shocks [H]
| 1
|
| Instrumentation
| 1
|
| Infrared: Stars: X-rays: Stars
| 1
|
| INFRARED: SOURCES
| 1
|
| Infrared Astronomy
| 1
|
| Individual: Cygnus OB2
| 1
|
| Individual: (IC 2391)
| 1
|
| Imaging Techniques
| 1
|
| Image Processing
| 1
|
| Hyades
| 1
|
| High-resolution X-ray Spectrometer
| 1
|
| High Resolution
| 1
|
| Giant Stars
| 1
|
| Gamma-ray Astronomy
| 1
|
| GALAXY: OPEN CLUSTERS AND ASSOCIATIONS: INDIVIDUAL: STOCK 2
| 1
|
| Galaxy: Open Clusters And Associations: Individual: NGC Number: NGC 6530
| 1
|
| Galaxy: Open Clusters And Associations: Individual: NGC 6530
| 1
|
| Galaxy: Open Clusters And Associations: Individual: NGC 3960
| 1
|
| GALAXY: OPEN CLUSTERS AND ASSOCIATIONS: INDIVIDUAL: NGC 2516
| 1
|
| Galaxy: Open Clusters And Associations: Individual: Name: Orion OMC-1S
| 1
|
| Galaxy: Open Clusters And Associations: Individual: Name: Orion BN-KL
| 1
|
| Galaxy: Open Clusters And Associations: Individual: IC 2391
| 1
|
| GALAXY: OPEN CLUSTERS AND ASSOCIATIONS: INDIVIDUAL NAME: PLEIADES
| 1
|
| Galaxy: Open Clusters And Associations:
| 1
|
| Galaxy: Open Clusters And Association: Individual: NGC 6530
| 1
|
| Galaxy: Open Cluster And Association: Individual: NGC 1893
| 1
|
| GALAXY: HALO
| 1
|
| Galaxy: Formation
| 1
|
| GALAXY: EVOLUTION
| 1
|
| Galaxy: Center
| 1
|
| Galaxy-ISM-CGM-IGM Feedback
| 1
|
| Galaxies: High-redshift
| 1
|
| Galactic Radiation
| 1
|
| Galactic Evolution
| 1
|
| Flux Density
| 1
|
| Flare Stars: X-Ray Flares
| 1
|
| Flare Stars: Stellar Activity
| 1
|
| First Stars
| 1
|
| Field
| 1
|
| Extreme Ultraviolet Radiation
| 1
|
| Extraterrestrial Radiation
| 1
|
| Extrasolar Planets
| 1
|
| Extrasolar Planetary Systems
| 1
|
| EVOLVED LATE-TYPE STARS
| 1
|
| ETALLICITY OPEN CLUSTER NGC 2516
| 1
|
| Eta Chamaeleontis
| 1
|
| Error Analysis
| 1
|
| Errata
| 1
|
| Equation Of State
| 1
|
| Einstein Equations
| 1
|
| Early-Type Galaxies: X Rays
| 1
|
| Early-Type Galaxies: Methods Of Reduction
| 1
|
| Early-Type Galaxies: Data Processing
| 1
|
| Early-Type Galaxies: Catalogues
| 1
|
| Early Stars
| 1
|
| DYNAMO ACTIVITY
| 1
|
| Disks
| 1
|
| Density Distribution
| 1
|
| Data Reduction
| 1
|
| Data Processing: X-Ray Astronomy
| 1
|
| Data Processing
| 1
|
| Data Correlation
| 1
|
| Data Bases:X-Ray Astronomy
| 1
|
| Cycle Of Baryons And Metals
| 1
|
| Cryogenics
| 1
|
| COUP
| 1
|
| Cosmology
| 1
|
| Cosmic Vision
| 1
|
| Cosmic Dust
| 1
|
| CORONAL PHYSICS
| 1
|
| Cool Stars: Stellar Associations
| 1
|
| Cool Stars: Star-Forming Regions
| 1
|
| Computer Modeling And Simulation
| 1
|
| Companion Stars
| 1
|
| Color-Magnitude Diagram
| 1
|
| Clusters: NGC2516
| 1
|
| Clusters Of Galaxies
| 1
|
| Clusters
| 1
|
| Chemical Evolution
| 1
|
| CATALOGUES
| 1
|
| Carbon Stars
| 1
|
| Carbon Monoxide
| 1
|
| Calibrating
| 1
|
| Calcium
| 1
|
| CA II EMISSION
| 1
|
| Brightness Distribution
| 1
|
| Bolometers
| 1
|
| Black Hole Physics
| 1
|
| Binary Stars
| 1
|
| Bayesian Statistics
| 1
|
| Auriga Constellation
| 1
|
| Atmospheric Models
| 1
|
| Athena: The Advanced Telescope For High Energy Astrophysics
| 1
|
| ATHENA
| 1
|
| Astrostatistics Techniques
| 1
|
| Astrostatistics
| 1
|
| Astrophysics - Galaxy Astrophysics
| 1
|
| Astronomical Photometry
| 1
|
| ASCA
| 1
|
| Angular Velocity
| 1
|
| Addenda
| 1
|
| Activity
| 1
|
| Active Galaxies
| 1
|
| Accretion And Accretion Disks
| 1
|
| 98.38.Mz
| 1
|
| 97.82.-j
| 1
|
| 97.30.Nr
| 1
|
| 97.10.Gz
| 1
|
| 97.10.-q
| 1
|
| 96.60.P-
| 1
|
| 96.50.Fm
| 1
|
| 95.75.Pq
| 1
|
| 95.75.-z
| 1
|
| (Cosmology:) Dark Ages
| 1
|
| XEUS
| 1
|
| X-rays: Galaxies: Clusters
| 1
|
| X-rays: Binaries
| 1
|
| X-ray:stars
| 1
|
| X-Ray Telescopes
| 1
|
| X-Ray Spectra:Stellar Coronae
| 1
|
| X-Ray Luminosities:Stellar Rotation
| 1
|
| X-Ray Luminosities:Late-Type Stars
| 1
|
| X-Ray Images: Data Processing
| 1
|
| X-ray Gratings
| 1
|
| X-ray Emission Spectra And Fluorescence
| 1
|
| X-Ray Detectors: Space Instrumentation
| 1
|
| X-Ray Detectors
| 1
|
| X-ray Binary Stars
| 1
|
| X-Ray Background
| 1
|
| X-Ray Astronomy:Data Bases
| 1
|
| X-Ray Astronomy: Methods Of Observation
| 1
|
| X-IFU: The X-ray Integral Field Unit
| 1
|
| X-IFU
| 1
|
| X Rays:Variables
| 1
|
| X Ray Telescopes
| 1
|
| X Ray Imagery
| 1
|
| X Ray Detectors
| 1
|
| X Ray Binaries
| 1
|
| X Ray Astrophysics Facility
| 1
|
| Wide Area Survey
| 1
|
| Variables:X Rays
| 1
|
| Variables:Numerical Simulations
| 1
|
| Variability
| 1
|
| ULTRAVIOLET: ISM
| 1
|
| Ultraviolet Detectors
| 1
|
| Thermal Filters
| 1
|
| The Sun [S]
| 1
|
| Test Facilities
| 1
|
| Telescopes Surveys
| 1
|
| TECHNIQUES: MISCELLANEOUS
| 1
|
| Techniques: Imaging Spectroscopy
| 1
|
| Techniques: High Angular Resolution
| 1
|
| Taylor Instability
| 1
|
| T Tauri Stars: X-Ray Variations
| 1
|
| T Tauri Stars: Star-Forming Regions
| 1
|
| T Tauri Stars
| 1
|
| Supernova Remnants: X Rays
| 1
|
| Supergiant Stars
| 1
|
| Stellar Temperature
| 1
|
| Stellar Structure
| 1
|
| Stellar Rotation:X-Ray Luminosities
| 1
|
| Stellar Populations
| 1
|
| Stellar Mass Ejection
| 1
|
| Stellar Magnitude
| 1
|
| Stellar Magnetic Fields
| 1
|
| Stellar Flares
| 1
|
| Stellar Envelopes
| 1
|
| Stellar Coronae:X-Ray Spectra
| 1
|
| Stellar Coronae:Late-Type Stars
| 1
|
| Stellar Coronae
| 1
|
| Stellar Color
| 1
|
| Stellar Characteristics And Properties
| 1
|
| Stellar Abundances
| 1
|
| Statistical Tests
| 1
|
| Stars: Wolf–Rayet
| 1
|
| Stars: Wolf-Rayet
| 1
|
| STARS: VARIABLES: OTHER
| 1
|
| STARS: VARIABLES
| 1
|
| Stars: Variability
| 1
|
| STARS: SUPERNOVAE: INDIVIDUAL:
| 1
|
| Stars: Rotation -\ X-ray: Stars
| 1
|
| Stars: Protostars
| 1
|
| Stars: Pre-main Sequence Stars
| 1
|
| STARS: PRE--MAIN-SEQUENCE
| 1
|
| Stars: Pre Main Sequence
| 1
|
| Stars: Planetary Systems: Protoplanetary Disks
| 1
|
| STARS: OPEN CLUSTERS} } SURVEY OF THE LOW-
| 1
|
| STARS: MASS LOSS
| 1
|
| Stars: Magnetic
| 1
|
| Stars: Individual:ρOphiuchi
| 1
|
| Stars: Individual: ρ Oph
| 1
|
| STARS: INDIVIDUAL: {LAMBDA} AND
| 1
|
| Stars: Individual: WASP-18
| 1
|
| Stars: Individual: Orion A L1641 Iota Orionis V380 Ori V883 Ori
| 1
|
| Stars: Individual: MWC 297
| 1
|
| Stars: Individual: IC 2391
| 1
|
| Stars: Individual: HD 81809
| 1
|
| STARS: INDIVIDUAL: HD 283572
| 1
|
| Stars: Individual: HD 17156
| 1
|
| Stars: Individual: Constellation Name: PZ Telescopii
| 1
|
| Stars: Individual: Constellation Name: AD Leonis
| 1
|
| STARS: INDIVIDUAL: BETA CET
| 1
|
| STARS: INDIVIDUAL: ALGOL
| 1
|
| STARS: INDIVIDUAL: AD LEO
| 1
|
| Stars: Hertzprung-Russel (HR) And C-M Diagrams
| 1
|
| STARS: G 102-21
| 1
|
| Stars: Fundamental Parameters
| 1
|
| Stars: Corona
| 1
|
| STARS: CLOSE BINARIES
| 1
|
| Stars: Chromospheres
| 1
|
| STARS: CATALOGS
| 1
|
| Stars: Binaries: General
| 1
|
| STARS: BINARIES
| 1
|
| Stars: Atmospheres
| 1
|
| Stars: Abundances - Stars: Late-type - X-rays: Stars - Galaxy: Stellar Content
| 1
|
| Stars:
| 1
|
| Stars Coronae
| 1
|
| Stars
| 1
|
| Star Forming Regions: Individual: L1551
| 1
|
| Star Forming Regions
| 1
|
| Standard Stars
| 1
|
| Spectral Signatures
| 1
|
| Spacecraft Instrumentation
| 1
|
| Spaceborne Telescopes
| 1
|
| Space Plasmas [H]
| 1
|
| Space Instrumentation
| 1
|
| Solar X-Rays
| 1
|
| Solar Wind [H]
| 1
|
| Solar Neighborhood
| 1
|
| SHOCK WAVES
| 1
|
| Scattering
| 1
|
| SAX
| 1
|
| Reionization
| 1
|
| Radio Sources (Astronomy)
| 1
|
| Radiation Sources
| 1
|
| Radiation Detectors
| 1
|
| Radiation Counters
| 1
|
| Protoplanetary
| 1
|
| Pre-Main-Sequence Stars: X-Ray Luminosities
| 1
|
| Pre-Main-Sequence Stars: X-Ray Flares
| 1
|
| Pre-Main-Sequence Stars: Lithium
| 1
|
| Power Spectra
| 1
|
| Pleiades: X Rays
| 1
|
| Pleiades: Stellar Coronae
| 1
|
| Pleiades
| 1
|
| Planet–star Interactions
| 1
|
| Planetary Bow Shocks
| 1
|
| Planetary Atmospheres
| 1
|
| Photon Absorptiometry
| 1
|
| Orion Nebula Cluster
| 1
|
| Orion
| 1
|
| Optimization
| 1
|
| Optical Thickness
| 1
|
| Open Star Clusters
| 1
|
| Open Clusters: Ages
| 1
|
| OPEN CLUSTERS AND ASSOCIATIONS: NGC 2516
| 1
|
| Open Clusters And Associations: NGC 2362
| 1
|
| Open Clusters And Associations: Individual: Westerlund 1
| 1
|
| Open Clusters And Associations: Individual: Sco OB2
| 1
|
| Open Clusters And Associations: Individual: Rho Ophiuchi
| 1
|
| Open Clusters And Associations: Individual: Orion Nebula Cluster
| 1
|
| Open Clusters And Associations: Individual: NGC 6611 And M16
| 1
|
| Open Clusters And Associations: Individual: NGC 6611
| 1
|
| Open Clusters And Associations: Individual: NGC 6231
| 1
|
| Open Clusters And Associations: Individual: NGC 2516
| 1
|
| Open Clusters And Associations: Individual: NGC 2362
| 1
|
| Open Clusters And Associations: Individual: Dolidze 25
| 1
|
| Open Clusters And Associations: Individual: Cyg OB2
| 1
|
| Open Clusters And Associations: Individual: Blanco 1
| 1
|
| Open Clusters And Associations: Individual (Orion Nebula Cluster)
| 1
|
| Open Clusters And Associations: Individual (NGC 2516)
| 1
|
| Open Clusters And Associations: Individual (NGC 2264)
| 1
|
| Open Clusters And Associations: Individual (Hyades) -- Stars: Coronae -- Stars: Giant -- X-rays: Stars
| 1
|
| Open Cluster And Associations: Individual: NGC 6611
| 1
|
| Observatory
| 1
|
| Observation And Data Reduction Techniques
| 1
|
| OB Associations
| 1
|
| NUMERICAL METHODS
| 1
|
| NORMAL STARS AND WHITE DWARFS
| 1
|
| NGC 2264
| 1
|
| NEBULAE: INDIVIDUAL NGC NUMBER: NGC 6334
| 1
|
| NEBULAE: H II REGIONS
| 1
|
| Monte Carlo Method
| 1
|
| Monochromators
| 1
|
| Missions
| 1
|
| Mission
| 1
|
| Mirrors
| 1
|
| METHODS: NUMERICAL
| 1
|
| Mathematical Procedures And Computer Techniques
| 1
|
| Mathematical Models
| 1
|
| Massive Stars
| 1
|
| Mass To Light Ratios
| 1
|
| Mass
| 1
|
| Magnetohydrodynamics [S]
| 1
|
| M42
| 1
|
| M Stars
| 1
|
| Logarithms
| 1
|
| Late-Type Stars:X-Ray Luminosities
| 1
|
| Late-Type Stars:Stellar Coronae
| 1
|
| Kolmogoroff-Smirnoff Test
| 1
|
| 85A35 (Primary)
| 1
|
| 85A15
| 1
|
| 78.70.En
| 1
|
| 62P99 (Secondary)
| 1
|
| 62H30
| 1
|
| 06.50.-x
| 1
|
| (Galaxies:) Quasars: Supermassive Black Holes
| 1
|
| (Galaxies:) Quasars: General
| 1
|
| (Galaxies:) Intergalactic Medium
| 1
|
| (Cosmology:) Large-scale Structure Of Universe
| 1
|
| Xrays: Stars
| 1
|