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Juri Poutanen

professor of astronomy, director

Turun Yliopisto

Finland

Research Interests

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Professors in Finland Professors in Astronomy Astronomy professors in Finland

About

Juri Poutanen is a Professor of Astronomy and the Director at Turun Yliopisto in Finland. His research focuses on the polarization of X-ray emissions, with significant contributions to understanding the variability of X-ray polarization in various astronomical objects such as black holes and pulsars. Recent publications include studies on the X-ray polarization of Swift J1727.8−1613 and the polarized emission from the accretion-powered pulsar 4U 1907+09.

Articles (46)

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Collaborators (43)

Valery Suleimanov

GERMANY

Juri Poutanen

Research Interests

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Articles (46)

Probing the emission geometry of the X-ray pulsar 2S 1417−624 during a weak outburst with NICER, IXPE, and NuSTAR

First detection of X-ray polarization from the long-period X-ray pulsar 4U 1954+319

Pulse profile modelling of the accretion-powered millisecond pulsar SAX J1808.4−3658 using NICER data from its 2019 and 2022 outbursts

Real-time observations of the transition to the quiescent state in an accreting magnetised neutron star: No propeller required?

Discovery of a 0.8-mHz quasi-periodic oscillation in the transient X-ray pulsar SXP31.0 and associated timing transitions

Optical polarimetry of the accreting black hole X-ray binary Swift J1727.8−1613 over the state transition and radio ejections

X-Ray Polarization from the Atoll 4U 1735−44 Suggests a Low Inclination

Discovery of High X-Ray Polarization from the Neutron Star Low-mass X-Ray Binary Cyg X-2 on the Horizontal Branch

X-ray polarization in the soft state of Cyg X-1

Neutron star atmospheres composed of fusion ashes

Temporal evolution of the circumstellar disc orientation in the transient X-ray pulsar GRO J1008−57

Discovery of energy-dependent phase variations in the polarization angle of Cen X-3

Probing the polarized emission from the accretion-powered pulsar 4U 1907+09 with IXPE

Exploring polarization and geometry in the X-ray pulsar 4U 1538−52

Revealing two orthogonally polarized spectral components in Vela X-1 with IXPE

IXPE view of the Sco-like source GX 349+2 in the normal branch

Variability of X-ray polarization of Cyg X-1

Recovery of the X-ray polarisation of Swift J1727.8−1613 after the soft-to-hard spectral transition (Corrigendum)

The very high X-ray polarization of accreting black hole IGR J17091−3624 in the hard state

Discovery of a bimodal luminosity distribution in the persistent Be/X-ray pulsar 2RXP J130159.6–635806

X-Ray Polarization of the High-synchrotron-peak BL Lacertae Object 1ES 1959+650 during Intermediate and High X-Ray Flux States

Polarized radiation from the spreading layer of weakly magnetized neutron stars

Modelling polarized X-ray pulses from accreting millisecond pulsars with X-PSI, using different hot spot locations and shapes

X-ray spectropolarimetric characterisation of the Z source GX 340+0 in the normal branch

Propeller effect in action: Unveiling quenched accretion in the transient X-ray pulsar 4U 0115+63

Optical and near-infrared polarization of the black hole X-ray binary A0620−00 in quiescence

X-ray Polarimetry of X-ray Pulsars

Ultrasoft state of microquasar Cygnus X-3: X-ray polarimetry reveals the geometry of the astronomical puzzle

The IXPE View of Neutron Star Low-Mass X-ray Binaries

Discovery of a strong rotation of the X-ray polarization angle in the galactic burster GX 13+1

New polarimetric study of the galactic X-ray burster GX 13+1

X-Ray Polarimetry of the Dipping Accreting Neutron Star 4U 1624–49

ARTPOL: Analytical ray-tracing method for spectro-polarimetric properties of accretion disks around Kerr black holes

Orbital variability of polarized X-ray radiation reflected from a companion star in X-ray binaries

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

Dramatic Drop in the X-Ray Polarization of Swift J1727.8–1613 in the Soft Spectral State

IXPE Observations of the Quintessential Wind-accreting X-Ray Pulsar Vela X-1

Complex variations in X-ray polarization in the X-ray pulsar LS V +44 17/RX J0440.9+4431

RX J0440.9+4431: another supercritical X-ray pulsar

X-ray polarimetry of X-ray pulsar X Persei: another orthogonal rotator?

First Detection of X-Ray Polarization from the Accreting Neutron Star 4U 1820−303

Expected polarization properties of nonmagnetized CCOs

The X-ray polarization of the Seyfert 1 galaxy IC 4329A

Polarized X-Rays from Windy Accretion in Cygnus X-1

Polarization Properties of the Weakly Magnetized Neutron Star X-Ray Binary GS 1826–238 in the High Soft State

Mapping the circumnuclear regions of the Circinus galaxy with the Imaging X-ray Polarimetry Explorer

Collaborators (43)

Valery Suleimanov

Svetlana Jorstad

Honghui Liu

P. Lubiński

A K Hughes

Peng-Ju Wang

Victor Doroshenko

Andrzej Niedzwiecki

Adam Ingram

Renee Ludlam

Michal Dovciak

Maria Chernyakova

A Anitra

Fabio Muleri

Sofia Forsblom

Nicola Omodei

Fabio La Monaca

Anna L Watts

Vladislav Loktev

Stefano Bianchi

Jiri Svoboda

David Green

Silvia Zane

Alexander A Mushtukov

Takeshi Sakanoi

Sergey Tsygankov

Joonas Nättilä