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List of works by Kazushi Iwasawa

A Chandra observation of the H2O megamaser IC 2560

scientific article

A Chandra observation of the distant radio galaxy B2 0902+343: a powerful obscured active galaxy

scientific article

A Compton-thick active galactic nucleus powering the hyperluminous infrared galaxy IRAS 00182-7112

A Compton-thick nucleus in the dual active galactic nuclei of Mrk 266

scientific article

A Hard X-Ray Test of HCN Enhancements As a Tracer of Embedded Black Hole Growth

A Herschel survey of the [N II] 205 {mu}m line in local luminous infrared galaxies: the [N II] 205 {mu}m emission as a star formation rate indicator

scientific article

A Herschel/PACS Far-infrared Line Emission Survey of Local Luminous Infrared Galaxies

scientific article published in the Astrophysical Journal

A deep Chandra observation of the Perseus cluster: shocks and ripples

scholarly article

A detection of an X-ray wind and an ionized disk in the Chandra HETGS observation of the Seyfert 2 galaxy IRAS 18325-5926

scientific article published in the Astrophysical Journal

A hard X-ray constraint on the presence of an AGN in the ultraluminous infrared galaxy Arp 220

scientific article

A hard X-ray view of luminous and ultra-luminous infrared galaxies in GOALS – I. AGN obscuration along the merger sequence

scientific article

A long hard look at MCG-6-30-15 withXMM-Newton

scientific article

A long, hard look at MCG–6-30-15 with XMM-Newton

A longer XMM-Newton look at I Zwicky 1: variability of the X-ray continuum, absorption and iron K line

scientific article

A powerful and highly variable off-nuclear X-ray source in the composite starburst/Seyfert 2 galaxy NGC 4945

scholarly article

A search for changing-look AGN in the Grossan catalog

scientific article published in Astronomy and Astrophysics

A very deep Chandra observation of the Perseus cluster: shocks, ripples and conduction

scientific article

AHerschel Space ObservatorySpectral Line Survey of Local Luminous Infrared Galaxies from 194 to 671 Microns

scientific article

ALMA reveals a warm and compact starburst around a heavily obscured supermassive black hole at z = 4.75

scientific article published in Astronomy and Astrophysics

ASCA Observation of NGC 1808

ASCA PV observations of the Seyfert 2 galaxy NGC 4388: the obscured nucleus and its X-ray emission

scientific article

ASCA and ROSAT observations of NGC 5548: discrepant spectral indices

scientific article

ASCA observations of Seyfert 2 galaxies

ASCA spectroscopy of the luminous infrared galaxy NGC 6240: X-ray emission from a starburst and a buried active nucleus

scientific article

AX J1749+684: a narrow-emission-line galaxy with a flat X-ray spectrum

scholarly article

An IRAS-Selected Seyfert 2 Galaxy IRAS 18325-5926: The X-Ray Source and Nuclear Obscuration

scientific article published in Astronomical Journal

An RXTE observation of MCG-6-30-15: Constraints on the iron abundance and reflective fraction relationship

An RXTE observation of the Seyfert 1 galaxy MCG—6-30-15: X-ray reflection and the iron abundance

article

An X-ray investigation of powerful far-infrared galaxies

scholarly article

An X-ray study of luminous infrared galaxies observed with ASCA

Black hole accretion and host galaxies of obscured quasars in XMM-COSMOS

scientific article published in Astronomy and Astrophysics

Broad Fe-K lines from Seyfert galaxies

Broad Iron Lines in AGN: The Case of MCG–6-30-15

Broad Iron Lines in Active Galactic Nuclei

C-GOALS:Chandraobservations of a complete sample of luminous infrared galaxies from the IRAS Revised Bright Galaxy Survey

scientific article published in Astronomy and Astrophysics

Chandra and XMM–Newton observations of Tololo 0109-383

scientific article published in Astronomy and Astrophysics

Chandra detection of reflected X-ray emission from the type 2 QSO in IRAS 09104+4109

scholarly article

Chandra imaging of the X-ray core of Abell 1795

scientific article

Chandra imaging of the complex X-ray core of the Perseus cluster

scientific article

ChandraReveals Twin X‐Ray Jets in the Powerful FR II Radio Galaxy 3C 353

scientific article published in the Astrophysical Journal

ChandraX-ray observations of the hyper-luminous infrared galaxy IRAS F15307+3252

scholarly article

Compton Thick AGN in theSuzakuEra

Compton thick AGN in the XMM-COSMOS survey

scientific article published in Astronomy and Astrophysics

Correlated modulation between the redshifted Fe Kα line and the continuum emission in NGC 3783

scientific article published in Astronomy and Astrophysics

Deep GMRT radio observations and a multi-wavelength study of the region around HESS J1858+020

scientific article published in Astronomy and Astrophysics

Detection of stellar light from quasar host galaxies at redshifts above 6

scientific article published on 28 June 2023

Discovery of X-ray emission from the first Be/black hole system

scholarly article by Pere Munar-Adrover et al published 15 April 2014 in Letters of the Astrophysical Journal

Do nuclear starbursts obscure the X-ray background?

scientific article

ERRATUM: “EXCITATION MECHANISMS FOR HCN (1-0) AND HCO+(1-0) IN GALAXIES FROM THE GREAT OBSERVATORIES ALL-SKY LIRG SURVEY” (2015, ApJ, 814, 39)

scientific article published in the Astrophysical Journal

Evidence for an intermediate-mass black hole and a multi-zone warm absorber in NGC 4395

article

Evidence for ionized accretion discs in five narrow-line Seyfert 1 galaxies

article

Excitation mechanisms for HCN (1-0) and HCO+ (1-0) in galaxies from the great observatories all-sky LIRG survey

scientific article published in the Astrophysical Journal

Explaining the [C II]157.7 {mu}m deficit in luminous infrared Galaxies--First results from a Herschel/PACS study of the GOALS sample

scientific article published in the Astrophysical Journal

Fe K emission from active galaxies in the COSMOS field

scientific article published in Astronomy and Astrophysics

Fe K emission in the ultraluminous infrared galaxy Arp 220

scientific article

First constraints on iron abundance versus reflection fraction from the Seyfert 1 galaxy MCG-6-30-15

article

Flux and energy modulation of redshifted iron emission in NGC 3516: implications for the black hole mass

scholarly article by Kazushi Iwasawa et al published December 2004 in Monthly Notices of the Royal Astronomical Society

Flux and spectral variations in the Circinus Galaxy

scientific article published in Astronomy and Astrophysics

GOALS: The Great Observatories All-Sky LIRG Survey

scientific article

Ginga Faint Source Survey

Gravitationally redshifted emission implying an accretion disk and massive black hole in the active galaxy MCG–6–30–15

scientific article published in Nature

Growing supermassive black holes in the late stages of galaxy mergers are heavily obscured

scholarly article by Claudio Ricci et al published 23 January 2017 in Monthly Notices of the Royal Astronomical Society

High-Ionization Nuclear Emission-Line Region in the Seyfert Galaxy Tololo 0109−383

scientific article published in Astronomical Journal

High-ionization Fe K emission from luminous infrared galaxies

scientific article published in the Astrophysical Journal

High-redshift quasars in the COSMOS survey: the space density of z > 3 X-ray selected QSOs

scientific article published in the Astrophysical Journal

Highly ionized disc and transient outflows in the Seyfert galaxy IRAS 18325–5926

scientific article published in Astronomy and Astrophysics

How the X-ray spectrum of a narrow-line Seyfert 1 galaxy may be reflection-dominated

article

Hubble space telescope ACS imaging of the GOALS sample: quantitative structural properties of nearby luminous infrared galaxies with L_IR_> 10^11.4^ l _{sun}_

scientific article published in the Astrophysical Journal

Investigation of dual active nuclei, outflows, shock-heated gas, and young star clusters in Markarian 266

scientific article published in Astronomical Journal

Iron Fluorescent Line Emission from Black Hole Accretion Disks with Magnetic Reconnection–heated Corona

scientific article published in the Astrophysical Journal

Iron Line Properties of the Seyfert 1 Galaxy MCG $-$ 6-30-15 Observed with ASCA

scientific article

Is the Light Bending Effect at Work in the Core of NGC 4051?

Keck OSIRIS AO LIRG Analysis (KOALA): Feedback in the Nuclei of Luminous Infrared Galaxies

scientific article

Mapping the circumnuclear matter of NGC 1068 in X-rays

Mid-infrared properties of luminous infrared galaxies. II. Probing the dust and gas physics of the GOALS sample

scientific article published in the Astrophysical Journal

Mid-infrared properties of nearby luminous infrared galaxies. I. Spitzer infrared spectrograph spectra for the GOALS sample

article by S. Stierwalt et al published 18 April 2013 in The Astrophysical Journal Supplement Series

Mid-infrared spectral diagnostics of luminous infrared galaxies

scientific article published in the Astrophysical Journal

Molecular Gas and Nuclear Activity in Radio Galaxies Detected byIRAS

Molecular gas and dust properties of galaxies from the Great Observatories All-sky LIRG Survey

scientific article

Multi-wavelength GOALS observations of star formation and active galactic nucleus activity in the luminous infrared galaxy IC 883

scientific article published in Astronomical Journal

Multi‐wavelength and black hole mass properties of Low Luminosity Active Nuclei

scholarly article published 2007

New X-Ray Constraints on Starburst and Seyfert Activity in the Barred Spiral Galaxy NGC 1672

scientific article published in Astronomical Journal

NuSTARUNVEILS A HEAVILY OBSCURED LOW-LUMINOSITY ACTIVE GALACTIC NUCLEUS IN THE LUMINOUS INFRARED GALAXY NGC 6286

scientific article published in the Astrophysical Journal

NuSTARcatches the unveiling nucleus of NGC 1068

article published in 2015

Nuclear obscuration in the high-ionization Seyfert 2 galaxy Tol 0109-383

scientific article

Off-Nuclear Star Formation and Obscured Activity in the Luminous Infrared Galaxy NGC 2623

scientific article published in the Astrophysical Journal

On the X-ray, optical emission line and black hole mass properties of local Seyfert galaxies

scientific article published in Astronomy and Astrophysics

On the cosmic evolution of the scaling relations between black holes and their host galaxies: broad-line active galactic nuclei in the zCOSMOS survey

scientific article published in the Astrophysical Journal

On the transmission-dominated to reprocessing-dominated spectral state transitions in Seyfert 2 galaxies

article

PMN J0525-3343: soft X-ray spectral flattening in a blazar at z=4.4

scientific article

Peculiar objects towards 3FGL J0133.3+5930: an eclipsing Be star and an active galactic nucleus

scientific article published in Astronomy and Astrophysics

Probing BH mass and accretion through X-ray variabiliy in the CDFS

Probing the Disk–Jet Connection of the Radio Galaxy 3C 120 Observed with Suzaku

scientific article

Probing variability patterns of the Fe K line complex in bright nearby AGNs

scientific article published in Astronomy and Astrophysics

ROSAT PSPC and HRI observations of the composite starburst/Seyfert 2 galaxy NGC 1672

scientific article

Rapid X-Ray Variability of Seyfert 1 Galaxies

Rapid X-ray variability of Seyfert 1 Galaxies

Revealing the Dusty Warm Absorber in MCG −6-30-15 with the [ITAL]Chandra[/ITAL] High-Energy Transmission Grating

scientific article published in the Astrophysical Journal

SUBARU HIGH-zEXPLORATION OF LOW-LUMINOSITY QUASARS (SHELLQs). I. DISCOVERY OF 15 QUASARS AND BRIGHT GALAXIES AT 5.7 <z< 6.9

scientific article published in the Astrophysical Journal

Soft X-ray spectroscopy of Compton-thick Seyfert 2 galaxies with BeppoSAX

scholarly article by M. Guainazzi et al published 21 November 1999 in Monthly Notices of the Royal Astronomical Society

Spectral energy distributions of local luminous and ultraluminous infrared galaxies

scientific article

Studying the non-thermal lobes of IRAS 16547−4247 through a multi-wavelength approach

scientific article published in Astronomy and Astrophysics

Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). II. Discovery of 32 quasars and luminous galaxies at 5.7 < z ≤ 6.8

Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). V. Quasar Luminosity Function and Contribution to Cosmic Reionization at z = 6

scientific article published in the Astrophysical Journal

Supermassive black holes at high redshift are expected to be obscured by their massive host galaxies’ interstellar medium

scientific article published in 2022

Suzaku Observation of 1H0707-495: Puzzling Spectral Drop around 7 keV

Suzaku observation of the Phoenix galaxy

scientific article published in Astronomy and Astrophysics

Suzaku observations of hard x-ray-selected Seyfert 2 galaxies

scientific article published in the Astrophysical Journal

Testing a double AGN hypothesis for Mrk 273

scientific article published in Astronomy and Astrophysics

The 2–10 keV unabsorbed luminosity function of AGN from the LSS, CDFS, and COSMOS surveys

scientific article published in Astronomy and Astrophysics

The ASCA long observation of the Seyfert galaxy IRAS18325-5926: detection of an X-ray periodicity

The Chandra COSMOS-Legacy survey: source X-ray spectral properties

scientific article published in the Astrophysical Journal

The First Simultaneous X-Ray/Radio Detection of the First Be/BH System MWC 656

scientific article

The Great Observatories All-Sky LIRG Survey:HerschelImage Atlas and Aperture Photometry

scholarly article

The Hyper Suprime-Cam SSP Survey: Overview and survey design

The LOFT mission concept: a status update

article

The Large Observatory for x-ray timing

article

The Shape of the Relativistic Iron Kα Line from MCG −6-30-15 Measured with the [ITAL]Chandra[/ITAL] High Energy Transmission Grating Spectrometer and the [ITAL]Rossi X-Ray Timing Explorer[/ITAL]

scientific article published in the Astrophysical Journal

The Suzaku broadband X-ray spectrum of the dwarf Seyfert galaxy NGC 4395

scientific article published in Astronomy and Astrophysics

The Ultra Luminous Infrared Galaxy Mrk 231: new clues from BeppoSAX and XMM-Newton

The Variable O VIII Warm Absorber in MCG–6–30–15

article

The X-ray Baldwin effect

scientific article published in the Astrophysical Journal

The X-ray nebula around the type 2 Seyfert galaxy NGC 4388

scientific article

The X-ray spectra of Compton-thick Seyfert 2 galaxies as seen by BeppoSAX

scientific article

The X-ray spectral signatures from the complex circumnuclear regions in the Compton thick AGN NGC 424

scientific article published in Astronomy and Astrophysics

The X-ray spectrum and light curve of Supernova 1995N

scientific article

The X-ray to [Ne V]3426 flux ratio: discovering heavily obscured AGN in the distant Universe

scientific article published in Astronomy and Astrophysics

The X-ray to optical-UV luminosity ratio of X-ray selected type 1 AGN in XMM-COSMOS

scientific article published in Astronomy and Astrophysics

The X-ray variability of the Seyfert 1 galaxy MCG-6-30-15 from longASCAandRXTEobservations

scientific article

The XMM Deep survey in the CDF-S. V. Iron K lines from active galactic nuclei in the distant universe

scientific article published in Astronomy and Astrophysics

The XMM deep survey in the CDF-S

scientific article

The XMM deep survey in the CDF-S

scientific article published in Astronomy and Astrophysics

The XMM deep survey in the CDF-S

The XMM deep survey in the CDF-S

The XMM deep survey in the CDF-S

The XMM deep survey in the CDF-S. IV. Compton-thick AGN candidates

scientific article

The XMM deep survey in the Chandra Deep Field South

The XMM-Newton and BeppoSAX view of the Ultra Luminous Infrared Galaxy MKN 231

scientific article published in Astronomy and Astrophysics

The XMM-Newton wide-field survey in the COSMOS field (XMM-COSMOS): demography and multiwavelength properties of obscured and unobscured luminous active galactic nuclei

scientific article published in the Astrophysical Journal

The active nucleus of the ULIRG IRAS F00183–7111 viewed by NuSTAR

scientific article published in Astronomy and Astrophysics

The blazar GB 1428+4217: a warm absorber at z = 4.72?

article

The broad iron K emission line in the Seyfert 2 galaxy IRAS 18325---5926

scientific article

The buried starburst in the interacting galaxy II Zw 096 as revealed by the Spitzer space telescope

scientific article published in Astronomical Journal

The circumnuclear X-ray reflectors in NGC 1068 and the Circinus galaxy

scientific article

The continuum variability of MCG-6-30-15: a detailed analysis of the long 1999 ASCA observation

scientific article

The evidence against Comptonization as a mechanism to explain the Fe Kα line profile in MCG-6-30-15

article

The evolution of obscured accretion

The exceptional X-ray variability of the dwarf Seyfert nucleus NGC 4395

scholarly article

The gravitationally lensed, luminous infrared galaxy IRAS F10214+4724 observed with XMM-Newton

scientific article

The hard X-ray luminosity function of high-redshift (3 < z ≲ 5) active galactic nuclei

scientific article

The hard X-ray spectrum of the Seyfert galaxy IRAS 18325-5926: reflection from an ionized disc and variable iron K emission

article

The high-redshift (z > 3) active galactic nucleus population in the 4-Ms Chandra Deep Field-South

scholarly article

The incidence of obscuration in active galactic nuclei

scientific article

The inner kiloparsec of Mrk 273 with Keck adaptive optics

scientific article published in the Astrophysical Journal

The intracluster iron distribution around 4C+55.16

scholarly article

The iron K line complex in NGC1068: implications for X-ray reflection in the nucleus

article

The location of an active nucleus and a shadow of a tidal tail in the ULIRG Mrk 273

scientific article published in Astronomy and Astrophysics

The mass density in black holes inferred from the X-ray background

scholarly article by Andrew C. Fabian & Kazushi Iwasawa published February 1999 in Monthly Notices of the Royal Astronomical Society

The profile and equivalent width of the X-ray iron emission line from a disc around a Kerr black hole

scholarly article by Y. Dabrowski et al published 11 June 1997 in Monthly Notices of the Royal Astronomical Society

The space density of Compton-thick AGN atz≈ 0.8 in the zCOSMOS-Bright Survey

scientific article published in Astronomy and Astrophysics

The spectrum and pulses of 1E 2259+586 from ASCA and BBXRT observations

scientific article published in the Astrophysical Journal

The spin of the supermassive black hole in NGC 3783

scientific article published in the Astrophysical Journal

The variable iron K emission line in MCG—6-30-15

scientific article

TheXMM-Newtonview of AGN with intermediate-mass black holes

scholarly article by Giovanni Miniutti et al published 21 March 2009 in Monthly Notices of the Royal Astronomical Society

TheXMM-Newtonview of Mrk 3 and IXO 30

scientific article

TheXMM-Newtonview of the broad-line radio galaxy 3C 120

scientific article

TheXMMDeep survey in the CDF-S

scientific article published in Astronomy and Astrophysics

Unveiling the nature of the highly obscured active galactic nucleus in NGC 5643 withXMM-Newton

scholarly article

Variation of the broad X-ray iron line in MCG-6-30-15 during a flare

scientific article

Warm molecular gas in luminous infrared galaxies

article

X-ray absorption and rapid variability of the dwarf Seyfert nucleus of NGC 4395

scientific article

X-ray absorption in the strong Fe II narrow-line Seyfert 1 galaxy Markarian 507

scientific article

X-ray and lensing results on the cluster around the powerful radio galaxy 4C+55.16

scholarly article

X-ray evidence for Seyfert activity buried in the infrared galaxy NGC 4945

scientific article published in the Astrophysical Journal

X-ray observations of IRAS 16547-4247 in the context of a broadband leptonic model

X-ray reflection in the Seyfert galaxy 1H 0419−577 revealing strong relativistic effects in the vicinity of a Kerr black hole

article

X-ray spectroscopy of the broad-line radio galaxy 3C 111

scholarly article

X-ray-bright optically faint active galactic nuclei in the Subaru Hyper Suprime-Cam wide survey

X-rays from the Type II quasar in the hyperluminous infrared galaxy IRAS F15307+3252

scholarly article

XMM-Newton study of the complex and variable spectrum of NGC 4051

scientific article

XMM-Newtonconfirmation of a warm absorber in thez= 4.4 blazar PMN J0525−3343

article

XMM-Newtondiscovery of a sharp spectral feature at ∼ 7 keV in the narrow-line Seyfert 1 galaxy 1H 0707−495

scholarly article

XMM-Newtonobservations of GB B1428+4217: confirmation of intrinsic soft X-ray absorption

scientific article

X‐Ray–Extreme‐Ultraviolet Simultaneous Observations of NGC 5548: Fast Extreme‐Ultraviolet Dip without X‐Ray Variation

scientific article published in the Astrophysical Journal

Zw 1718.1-0108: a highly disturbed galaxy cluster at low Galactic latitude

scientific article