3 papers
astro-ph.HE2026
The WISSHFUL program: the highest redshift UFO discovered in a non-lensed QSO
G. Lanzuisi, L. Borrelli, E. Piconcelli +28
We present the first results from the WISSHFUL program, an XMM-Newton heritage program targeting luminous QSOs at Cosmic Noon. We report on recent simultaneous XMM-Newton and NuSTA…
astro-ph.HE2026
Source identification for the Swift-BAT 150-month hard X-ray catalog using soft X-ray observations
K. Imam, N. Torres-Alba, S. Marchesi +10
We present a comprehensive catalog of 251 potential counterparts for 250 unassociated hard X-ray sources detected in the Swift Burst Alert Telescope (BAT) 150-month hard X-ray surv…
astro-ph.HE2025
Swift-XRT and NuSTAR Monitoring of Obscuration Variability in Mrk 477
N. Torres-AlbÃ, Z. Hu, I. Cox +6
We present the analysis of 15 X-ray observations of Mrk 477, a nearby Seyfert 2 active galactic nucleus, with the objective to monitor its obscuring column density variability. The…