Signature of a Seyfert-like Component in Blazar 3C 273 and Its Reflection-based Explanation
We present the results of blazar 3C 273 from simultaneous observations obtained using the XMM-Newton and NuSTAR satellites during the period 2015–2019 in five epochs. When the spectra are modeled with a power law, significant residuals arise below ∼2 keV
Haritma Gaur +6 more
doaj +1 more source
Host Galaxies of Hard X-ray Selected Type-2 Active Galactic Nuclei at Intermediate Redshifts [PDF]
Gaku Kiuchi +4 more
openalex +2 more sources
New Active Galactic Nuclei Detected by the ART-XС and eROSITA Telescopes during the First Five SRG All-Sky X-ray Surveys [PDF]
G. S. Uskov +10 more
openalex +1 more source
Active galactic nuclei and X-ray observations [PDF]
A. A. Vasylenko +2 more
openaire +1 more source
BASS. XLVIII. [Ne V] λ3427 Emission in Powerful Nearby Active Galactic Nuclei
We investigate the high-ionization, narrow [Ne V ] λ 3427 line emission in a sample of over 340 ultrahard X-ray (14–195 keV) selected active galactic nuclei (AGN) drawn from the BAT AGN Spectroscopic Survey project.
Tomer Reiss +16 more
doaj +1 more source
High-redshift active galactic nuclei and H I reionisation: limits from the unresolved X-ray background [PDF]
Francesco Haardt, Ruben Salvaterra
openalex +1 more source
EX56a study of extended X-ray emission around isolated galaxies EX56b identification and spectra of bright X-ray sources at high galactic latitude [PDF]
The EXOSAT observations confirmed the identification and extended nature of PKS 2345-35. It gave a good 2 to 10 keV X-ray spectrum and a detailed spatial profile indicating asymmetry of the structure.
Schwartz, Daniel A.
core +1 more source
X-Ray Constraints on Wandering Black Holes in Stripped Galaxy Nuclei in the Halo of NGC 5128
A subset of galaxies have dense nuclei, and when these galaxies are accreted and tidally stripped, the nuclei can masquerade as globular clusters in the halos of large galaxies.
Samuel L. Feyan +8 more
doaj +1 more source
Spectral Statistics and Local Luminosity Function of a Complete Hard X-Ray Sample of the Brightest Active Galactic Nuclei [PDF]
K. Shinozaki +4 more
openalex +1 more source

