Keyphrases
X-ray
91%
Active Galactic nuclei
63%
XMM-Newton
60%
X-ray Spectra
41%
Column Density
41%
Emission Lines
40%
Absorption Lines
33%
Dielectronic Recombination
31%
Absorber
28%
Heat Absorber
25%
Radio
24%
Grating Spectrometer
22%
Accretion Discs
21%
NGC 3783
21%
Multi-wavelength Campaigns
21%
Reflection Grating
21%
Soft X-ray
21%
High-resolution
19%
Luminosity
19%
Quasars
18%
Broad Line Region
18%
X-ray Emission
18%
Ionization Parameters
18%
Seyfert
17%
Corona
16%
Seyfert 1 Galaxies
16%
Obscuration
15%
NGC 5548
14%
Disk Wind
13%
Radiative Recombination
13%
Absorption Feature
13%
Planetary Nebulae
12%
NGC 7469
12%
Seyfert Galaxies
12%
Line-of-sight
12%
X-ray Absorption
12%
Energy Transmission
11%
NuSTAR
11%
Photoionization
11%
Hubble Space Telescope
11%
Radio-loud Quasars
11%
High-resolution X-ray Spectroscopy
11%
K-line
11%
Observatory
11%
Radio Emission
10%
Swift
10%
State of Charge
10%
High Velocity
10%
Recombination Rate
10%
X-ray Sources
10%
Physics
Active Galactic Nuclei
100%
X Ray Spectra
56%
Blood Plasma
48%
High Resolution
45%
Black Holes
30%
Photoionization
26%
Quasar
23%
Line of Sight
18%
X Ray Absorption
18%
Accretion Disk
17%
X Ray Spectroscopy
17%
Occultation
16%
Transients
16%
Observatory
16%
Line Spectra
15%
Seyfert Galaxies
15%
Electron Beam
15%
Planetary Nebula
14%
Hubble Space Telescope
14%
X Ray Source
12%
Light Curve
12%
Radio Quiet Quasars
11%
Ionized Gas
11%
Spectral Energy Distribution
11%
Radio Emission
10%
Supermassive Black Holes
9%
Novae
9%
Magnetohydrodynamics
9%
Electron Energy
9%
X Ray Binaries
9%
Electron Density
8%
Ultraviolet Spectrum
8%
X-Ray Observatories
8%
Spectrographs
8%
Gamma Ray Burst
8%
Reverberation
7%
Ejecta
7%
Space Telescope
7%
Radiation Pressure
7%
Resonance Line
7%
White Dwarf
7%
High Temperature Plasmas
7%
X Ray
7%
Active Galaxy
6%
Line Intensity
6%
Absorption Spectra
6%
Magnetic Field
6%
Optical Bursts
6%
Spectrum Analysis
6%
Circumstellar Disks
6%