activity
20042026
most citedThe enhanced X-ray Timing and Polarimetry mission - eXTP

329 citations · 1.3k across the 58 of their papers we have counts for

collaborators
Showing 2023Show all

16 papers · 1 filter

astro-ph.HE2023★ 12 cited

Pulsar-wind-nebula-powered Galactic center X-ray filament G0.13-0.11: Proof of the synchrotron nature by IXPE

Eugene Churazov, Ildar Khabibullin, Thibault Barnouin +103

We report the discovery of X-ray polarization from the X-ray-bright filament. G0.13-0.11 in the Galactic center (GC) region. This filament features a bright, hard X-ray source that…

astro-ph.HE2023

X-ray Polarization of the Eastern Lobe of SS 433

Philip Kaaret, Riccardo Ferrazzoli, Stefano Silvestri +103

How astrophysical systems translate the kinetic energy of bulk motion into the acceleration of particles to very high energies is a pressing question. SS 433 is a microquasar that…

astro-ph.HE2023★ 4 cited

Tracking the X-ray Polarization of the Black Hole Transient Swift J1727.8-1613 during a State Transition

Adam Ingram, Niek Bollemeijer, Alexandra Veledina +120

We report on an observational campaign on the bright black hole X-ray binary Swift J1727.81613 centered around five observations by the Imaging X-ray Polarimetry Explorer (IXPE)…

astro-ph.HE2023

Discovery of a variable energy-dependent X-ray polarization in the accreting neutron star GX 5-1

Sergio Fabiani, Fiamma Capitanio, Rosario Iaria +116

We report on the coordinated observations of the neutron star low-mass X-ray binary (NS-LMXB) \gx in X-rays (IXPE, NICER, Nustar and INTEGRAL), optical (REM and LCO), near-infrared…

astro-ph.HE2023★ 2 cited

Discovery of X-ray Polarization from the Black Hole Transient Swift J1727.8-1613

Alexandra Veledina, Fabio Muleri, Michal Dovciak +113

We report the first detection of the X-ray polarization of the bright transient Swift J1727.8-1613 with the Imaging X-ray Polarimetry Explorer. The observation was performed at the…

astro-ph.HE2023★ 26 cited

First X-ray polarization measurement confirms the low black-hole spin in LMC X-3

Jiří Svoboda, Michal Dovčiak, James F. Steiner +109

X-ray polarization is a powerful tool to investigate the geometry of accreting material around black holes, allowing independent measurements of the black hole spin and orientation…

astro-ph.HE2023★ 7 cited

Accretion Disc Evolution in GRO J1655-40 and LMC X-3 with Relativistic and Non-Relativistic Disc Models

Anastasiya Yilmaz, Jiri Svoboda, Victoria Grinberg +3

Black hole X-ray binaries are ideal environments to study the accretion phenomena in strong gravitational potentials. These systems undergo dramatic accretion state transitions and…

astro-ph.HE2023★ 1 cited

Unveiling the small-scale jets in the rapidly growing supermassive black hole IZw1

Xiaolong Yang, Su Yao, Luigi C. Gallo +10

Accretion of black holes at near-Eddington or super-Eddington rates is the most powerful episode that drives black hole growth, and it may work in several types of objects. However…

astro-ph.HE2023★ 5 cited

The First X-ray Polarization Observation of the Black Hole X-ray Binary 4U 1630-47 in the Steep Power Law State

Nicole Rodriguez Cavero, Lorenzo Marra, Henric Krawczynski +107

The Imaging X-ray Polarimetry Explorer (IXPE) observed the black hole X-ray binary 4U 1630-47 in the steep power law (or very high) state. The observations reveal a linear polariza…

astro-ph.HE2023★ 36 cited

X-ray Polarization of the Black Hole X-ray Binary 4U 1630-47 Challenges Standard Thin Accretion Disk Scenario

Ajay Ratheesh, Michal Dovčiak, Henric Krawczynski +112

Large energy-dependent X-ray polarization degree is detected by the Imaging X-ray Polarimetry Explorer ({IXPE}) in the high-soft emission state of the black hole X-ray binary 4U 16…

astro-ph.GA2023★ 20 cited

Star-formation rate and stellar mass calibrations based on infrared photometry and their dependence on stellar population age and extinction

Konstantinos Kouroumpatzakis, Andreas Zezas, Elias Kyritsis +2

The stellar mass () and the star-formation rate (SFR) are among the most important features that characterize galaxies. Measuring these fundamental properties accurately i…

astro-ph.HE2023★ 4 cited

The first X-ray polarimetric observation of the black hole binary LMC X-1

Jakub Podgorny, Lorenzo Marra, Fabio Muleri +108

We report on an X-ray polarimetric observation of the high-mass X-ray binary LMC X-1 in the high/soft state, obtained by the Imaging X-ray Polarimetry Explorer (IXPE) in October 20…

astro-ph.HE2023★ 51 cited

Cygnus X-3 revealed as a Galactic ultraluminous X-ray source by IXPE

Alexandra Veledina, Fabio Muleri, Juri Poutanen +127

The accretion of matter by compact objects can be inhibited by radiation pressure if the luminosity exceeds the critical value, known as the Eddington limit. Discovery of ultralumi…

astro-ph.HE2023★ 31 cited

X-ray pulsar GRO J100857 as an orthogonal rotator

Sergey S. Tsygankov, Victor Doroshenko, Alexander A. Mushtukov +99

X-ray polarimetry is a unique way to probe the geometrical configuration of highly magnetized accreting neutron stars (X-ray pulsars). GRO J100857 is the first transient X-ray p…

astro-ph.HE2023★ 1 cited

Testing Relativistic Accretion Disk Models with GRO J1655-40

Anastasiya Yilmaz, Jiri Svoboda, Victoria Grinberg +3

Black hole X-ray binaries are ideal environments to test the accretion phenomena in the presence of strong gravitational potentials. KERRBB held an important place in the X-ray spe…

astro-ph.HE2023★ 18 cited

X-ray Polarimetry as a Tool to Measure the Black Hole Spin in Microquasars: Simulations of IXPE Capabilities

Romana Mikusincova, Michal Dovciak, Michal Bursa +5

Measurements of the angular momentum (spin) of astrophysical black holes are extremely important, as they provide information on the black hole formation and evolution. We present…