output
19972026
most citedThe Swift X-ray Telescope

2.7k citations

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20 papers · 1 filter

astro-ph.HE2024★ 3 cited

Search for the multiwavelength counterparts to extragalactic unassociated Fermi γ-ray sources

Alberto Ulgiati, Simona Paiano, Fabio Pintore +7

Aims. In this paper, we searched for multi-wavelength (X-ray, optical and radio) counterparts to the unassociated gamma-ray sources (UGS) of the Fermi 4FGL-DR4 catalog. The main go…

astro-ph.HE2024★ 2 cited

Pulsating ultraluminous X-ray sources: modeling the thermal emission and polarization properties

S. Conforti, L. Zampieri, R. Taverna +4

Ultraluminous X-ray sources (ULXs) are enigmatic sources first discovered in the 1980s in external galaxies. They are characterized by their extraordinarily high X-ray luminosity,…

astro-ph.HE2024★ 4 cited

Effects of ultra-fast outflows on X-ray time lags in AGN

Yerong Xu, Ciro Pinto, Erin Kara +3

The time lag between soft and hard X-ray photons has been observed in many active galactic nuclei (AGN) and can reveal the accretion process and geometry around supermassive black…

astro-ph.HE2024

X-ray and Radio Campaign of the Z-source GX 340+0 II: the X-ray polarization in the normal branch

Yash Bhargava, Thomas D. Russell, Mason Ng +11

We present the first X-ray polarization measurement of the neutron star low-mass X-ray binary and Z-source, GX 3400, in the normal branch (NB) using a 200 ks observation with th…

astro-ph.CO2024★ 3 cited

Cooling rate and turbulence in the intracluster medium of the cool-core cluster Abell 2667

M. Lepore, C. Pinto, P. Tozzi +8

We present a detailed analysis of the thermal X-ray emission from the intracluster medium (ICM) in the cool-core galaxy cluster Abell 2667 (). Our goal is to detect low-tem…

astro-ph.HE2024★ 5 cited

Measuring the ICM velocity structure within the A3266 galaxy cluster

E. Gatuzz, J. Sanders, A. Liu +7

We present a detailed analysis of the velocity structure of the hot intracluster medium (ICM) within the A3266 galaxy cluster, including new observations taken between June and Nov…

astro-ph.HE2024★ 4 cited

Fast X-ray/IR observations of the black hole transient Swift~J1753.5--0127: from an IR lead to a very long jet lag

Alberto Ulgiati, Federico Maria Vincentelli, Piergiorgio Casella +16

We report on two epochs of simultaneous near-infrared (IR) and X-ray observations with a sub-second time resolution of the low mass X-ray binary black hole candidate Swift J1753.5-…

astro-ph.HE2024★ 3 cited

The restless population of bright X-ray sources of NCG 3621

A. Sacchi, M. Imbrogno, S. E. Motta +9

We report on the multi-year evolution of the population of X-ray sources in the nuclear region of NGC 3621 based on Chandra, XMM-Newton and Swift observations. Among these, two sou…

astro-ph.HE2024★ 16 cited

The Spectra of IceCube Neutrino (SIN) candidate sources -- V. Modeling and interpretation of multiwavelength and neutrino data

Xavier Rodrigues, Martina Karl, Paolo Padovani +5

A correlation has been reported between the arrival directions of high-energy IceCube events and gamma-ray blazars classified as intermediate- and high-synchrotron-peaked BL Lacs.…

astro-ph.IM2024★ 12 cited

The EUSO-SPB2 Fluorescence Telescope for the Detection of Ultra-High Energy Cosmic Rays

James H. Adams, Denis Allard, Phillip Alldredge +79

The Extreme Universe Space Observatory on a Super Pressure Balloon 2 (EUSO-SPB2) flew on May 13 and 14 of 2023. Consisting of two novel optical telescop…

astro-ph.HE2024★ 14 cited

Measurement of the Depth of Maximum of Air-Shower Profiles with energies between and eV using the Surface Detector of the Pierre Auger Observatory and Deep Learning

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +364

We report an investigation of the mass composition of cosmic rays with energies from 3 to 100 EeV (1 EeV= eV) using the distributions of the depth of shower maximum $X_\ma…

astro-ph.HE2024★ 25 cited

Inference of the Mass Composition of Cosmic Rays with energies from to eV using the Pierre Auger Observatory and Deep Learning

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +364

We present measurements of the atmospheric depth of the shower maximum , inferred for the first time on an event-by-event level using the Surface Detector of the Pi…

astro-ph.HE2024★ 7 cited

HERMES: Gamma Ray Burst and Gravitational Wave counterpart hunter

G. Ghirlanda, L. Nava, O. Salafia +67

Gamma Ray Bursts (GRBs) bridge relativistic astrophysics and multi-messenger astronomy. Space-based gamma/X-ray wide field detectors have proven essential to detect and localize th…

astro-ph.HE2024★ 11 cited

A systematic study of the ultra-fast outflow responses to luminosity variations in active galactic nuclei

Yerong Xu, Ciro Pinto, Daniele Rogantini +7

The extreme velocities and high ionization states of ultra-fast outflows (UFOs) make them a promising candidate for AGN feedback on the evolution of the host galaxy. However, their…

astro-ph.HE2024★ 6 cited

The Orbit of NGC 5907 ULX-1

Andrea Belfiore, Ruben Salvaterra, Lara Sidoli +13

We report on the orbit of the binary system powering the most extreme ultraluminous X-ray pulsar known to date: NGC 5907 ULX-1 (hereafter ULX1). ULX1 has been the target of a subst…

astro-ph.HE2024★ 39 cited

Swift J1727.8-1613 has the Largest Resolved Continuous Jet Ever Seen in an X-ray Binary

Callan M. Wood, James C. A. Miller-Jones, Arash Bahramian +21

Multi-wavelength polarimetry and radio observations of Swift J1727.8-1613 at the beginning of its recent 2023 outburst suggested the presence of a bright compact jet aligned in the…

astro-ph.HE2024★ 7 cited

Galactic transient sources with the Cherenkov Telescope Array Observatory

Cherenkov Telescope Array Observatory Consortium

A wide variety of Galactic sources show transient emission at soft and hard X-ray energies: low- and high-mass X-ray binaries containing compact objects, isolated neutron stars exh…

astro-ph.HE2024★ 15 cited

Impact of the Magnetic Horizon on the Interpretation of the Pierre Auger Observatory Spectrum and Composition Data

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +364

The flux of ultra-high energy cosmic rays reaching Earth above the ankle energy (5 EeV) can be described as a mixture of nuclei injected by extragalactic sources with very hard spe…

astro-ph.IM2024★ 32 cited

EUSO-SPB1 Mission and Science

EUSO Collaboration, G. Abdellaoui, S. Abe +292

The Extreme Universe Space Observatory on a Super Pressure Balloon 1 (EUSO-SPB1) was launched in 2017 April from Wanaka, New Zealand. The plan of this mission of opportunity on a N…

astro-ph.HE2024★ 27 cited

Testing Hadronic-Model Predictions of Depth of Maximum of Air-Shower Profiles and Ground-Particle Signals using Hybrid Data of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +368

We test the predictions of hadronic interaction models regarding the depth of maximum of air-shower profiles, , and ground-particle signals in water-Cherenkov detectors at…