List of works - Toru Tamagawa

Delving into the depths of NGC 3783 with XRISM

scientific article published in October 2025

Detection of X-Ray Polarization from the Blazar 1ES 1959+650 with the Imaging X-Ray Polarimetry Explorer

Magnetic Structures and Turbulence in SN 1006 Revealed with Imaging X-Ray Polarimetry

XRISM Forecast for the Coma Cluster: Stormy, with a Steep Power Spectrum

scientific article published on 19 May 2025

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

Discovery of X-ray polarization angle rotation in the jet from blazar Mrk 421

IXPE and Multiwavelength Observations of Blazar PG 1553+113 Reveal an Orphan Optical Polarization Swing

IXPE observation confirms a high spin in the accreting black hole 4U 1957+115

scholarly article

X-Ray Polarization of the Eastern Lobe of SS 433

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

When the Milky Way hosted a quasar

Structured ionized winds shooting out from a quasar at relativistic speeds

scientific article published on 14 May 2025

XRISM Reveals Low Nonthermal Pressure in the Core of the Hot, Relaxed Galaxy Cluster A2029

scientific article published on 12 March 2025

The X-Ray Polarimetry View of the Accreting Pulsar Cen X-3

X-Ray Polarization of BL Lacertae in Outburst

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

The X-Ray Polarization View of Mrk 421 in an Average Flux State as Observed by the Imaging X-Ray Polarimetry Explorer

scientific article published in October 2022

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

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

Complex rotational dynamics of the neutron star in Hercules X-1 revealed by X-ray polarization

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

X-Ray Polarization Observations of BL Lacertae

A Strong X-Ray Polarization Signal from the Magnetar 1RXS J170849.0-400910

A Two-week IXPE Monitoring Campaign on Mrk 421

High Optical-to-X-Ray Polarization Ratio Reveals Compton Scattering in BL Lacertae’s Jet

Observations of Low and Intermediate Spectral Peak Blazars with the Imaging X-Ray Polarimetry Explorer

Highly Significant Detection of X-Ray Polarization from the Brightest Accreting Neutron Star Sco X-1

IXPE observation of PKS 2155–304 reveals the most highly polarized blazar

An IXPE-led X-Ray Spectropolarimetric Campaign on the Soft State of Cygnus X-1: X-Ray Polarimetric Evidence for Strong Gravitational Lensing

X-Ray Polarimetry Reveals the Magnetic-field Topology on Sub-parsec Scales in Tycho’s Supernova Remnant

Observations of 4U 1626–67 with the Imaging X-Ray Polarimetry Explorer

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

The IXPE View of GRB 221009A

scientific article published in March 2023

Simultaneous space and phase resolved X-ray polarimetry of the Crab pulsar and nebula

Polarized x-rays from a magnetar

scientific article published on 11 November 2022

Analysis of Crab X-Ray Polarization Using Deeper Imaging X-Ray Polarimetry Explorer Observations

Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1