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Physics
X Ray
100%
Active Galactic Nuclei
53%
High Resolution
27%
X Ray Spectra
27%
Black Hole
19%
Circumstellar Disks
16%
Quasar
14%
Photoionization
13%
Line of Sight
10%
X Ray Spectroscopy
9%
X Ray Absorption
9%
Observatory
8%
Electron Energy
8%
Line Spectra
8%
Supermassive Black Holes
7%
X Ray Binaries
7%
Planetary Nebula
6%
Seyfert Galaxies
6%
Electron Beam
6%
X Ray Source
6%
Hubble Space Telescope
6%
Novae
5%
Gamma-Ray Burst
5%
Supernova Remnant
5%
Radio Quiet Quasars
5%
Electron Density
5%
Ejecta
5%
Optical Bursts
5%
Radio Emission
5%
Galaxy Clusters
5%
Spectral Energy Distribution
5%
Keyphrases
X-ray
29%
Active Galactic nuclei
23%
XMM-Newton
22%
Emission Lines
19%
XRISM
16%
X-ray Spectra
15%
Absorption Lines
14%
Column Density
13%
Gasses
11%
Heat Absorber
9%
NGC 3783
9%
Accretion Discs
9%
High-resolution
9%
Multi-wavelength Campaigns
8%
Broad Line Region
8%
Quasars
7%
Radio
7%
Soft X-ray
7%
Absorber
7%
Dielectronic Recombination
7%
X-ray Spectroscopy
7%
Reflection Grating Spectrometer
7%
Seyfert
7%
Ionization Parameters
6%
K-line
6%
Luminosity
6%
Ultrafast
6%
Corona
6%
NGC 5548
6%
Absorption Feature
6%
Supermassive Black Hole (SMBH)
6%
X-ray Emission
6%
Seyfert 1 Galaxies
6%
Obscuration
5%
X-ray Imaging
5%
NuSTAR
5%
Galaxies
5%
High-resolution X-ray Spectroscopy
5%