Showing 1–20 of 25 results
/ Date/ Name
Jan 23, 2023A New Mid-Infrared and X-ray Machine Learning Algorithm to Discover Compton-thick AGNMar 17, 2026Compton-thick AGN in the NuSTAR Era. XI. Analyzing 11 CT-AGN Candidates Selected with Machine LearningOct 20, 2022Compton-thick AGN in the NuSTAR Era. IX. A Joint NuSTAR and XMM-Newton Analysis of Four Local AGNFeb 21, 2022Chandra Follow-up Observations of Swift-BAT-selected AGNs IISep 2, 2020Identifying the 3FHL Catalog. IV. Swift Observations of Unassociated Fermi-LAT 3FHL SourcesOct 28, 2025PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time-domain Field IIIJan 17, 2023A Simple Method for Predicting $N_H$ Variability in Active Galactic NucleiOct 30, 2025The $N_H$ Distribution of Hard X-ray Selected AGN in the NEP FieldJan 17, 2023Hydrogen Column Density Variability in a Sample of Local Compton-Thin AGNSep 3, 2024An X-ray Significantly Variable, Luminous, Type 2 Quasar at z = 2.99 with a Massive Host GalaxyNov 8, 2023The High Energy X-ray Probe (HEX-P): Bringing the Cosmic X-ray Background into FocusJun 22, 2022A multi-epoch X-ray study of the nearby Seyfert 2 galaxy NGC 7479: Linking column density variability to the torus geometryJan 30, 2025Chandra Follow-up Observations of Swift-BAT-selected AGNs IIISep 25, 2025Unveiling Obscured Accretion in the Local UniverseJul 14, 2022Compton-Thick AGN in the NuSTAR era VIII: A joint NuSTAR-XMM-Newton monitoring of the changing-look Compton-thick AGN NGC 1358May 12, 2023Compton-thick AGN in the NuSTAR Era X: Analysing seven local CT-AGN candidatesFeb 21, 2024PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time-Domain Field IIApr 16, 2025Contemporaneous X-ray and Optical Polarization of EHSP Blazar H 1426+428Jun 4, 2025A systematic search for AGN obscuration variability in the Chandra archiveMar 11, 2026PACHA: Probing AGN Coronae with High-redshift AGN