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Authors whose works are in public domain in at least one jurisdiction

List of works by Timothy Kallman

1-50 of 80 results

Photoionization and High‐Density Gas

Simultaneous Soft X-Ray and GeV Gamma-Ray Observations of BL Lacertae Object AO 0235+164

scientific article published in the Astrophysical Journal

Accretion Disk Models and Their X‐Ray Reflection Signatures. I. Local Spectra

scientific article published in the Astrophysical Journal

The Swift burst alert telescope detected Seyfert 1 galaxies: X-ray broadband properties and warm absorbers

scientific article published in the Astrophysical Journal

A census of X-ray gas in NGC 1068: results from 450 ks of Chandra high energy transmission grating observations

scientific article published in the Astrophysical Journal

Powerful, rotating disk winds from stellar-mass black holes

scientific article published in the Astrophysical Journal

The ASTRO-H X-ray Observatory

The ASTRO-H X-ray astronomy satellite

Early X‐Ray/Ultraviolet Line Signatures of Gamma‐Ray Burst Progenitors and Hypernovae

scientific article published in the Astrophysical Journal

An Axisymmetric, Hydrodynamical Model for the Torus Wind in Active Galactic Nuclei. II. X‐Ray–Excited Funnel Flow

scientific article published in the Astrophysical Journal

Ionization nebulae surrounding supersoft X-ray sources

scientific article published in the Astrophysical Journal

HitomiConstraints on the 3.5 keV Line in the Perseus Galaxy Cluster

scholarly article

The ultracompact nature of the black hole candidate X-ray binary 47 Tuc X9

scholarly article by Arash Bahramian et al published 24 February 2017 in Monthly Notices of the Royal Astronomical Society

An axisymmetric hydrodynamical model for the torus wind in active galactic nucleus. III. Spectra from three-dimensional radiation transfer calculations

scientific article published in the Astrophysical Journal

Efficiency of the Bowen fluorescence mechanism in static nebulae

scientific article published in the Astrophysical Journal

Comptonization of X-rays by low-temperature electrons

scientific article published in the Astrophysical Journal

Simultaneous [ITAL]Chandra[/ITAL] and [ITAL]Hubble Space Telescope[/ITAL] Observations of SMC X-1

scientific article published in the Astrophysical Journal

Iron K lines from low-mass X-ray binaries

scientific article published in the Astrophysical Journal

Active galactic nucleus obscuration from winds: from dusty infrared-driven to warm and X-ray photoionized

scientific article

Astrophysical motivation for X-ray polarimetry

article published in 2004

ChandraGrating Spectroscopy of the X‐Ray Binary 4U 1700−37 in a Flaring State

scientific article published in the Astrophysical Journal

Active galaxy unification in the era of X-ray polarimetry

article published in 2010

The photoionized accretion disk in Her X-1

scientific article published in the Astrophysical Journal

An Axisymmetric, Hydrodynamical Model for the Torus Wind in Active Galactic Nuclei

scientific article published in the Astrophysical Journal

Suzaku observations of four heavily absorbed HMXBs

scientific article published in the Astrophysical Journal

Normalizing a relativistic model of X-ray reflection Definition of the reflection fraction and its implementation in relxill

scientific article published in Astronomy and Astrophysics

Reprocessing Models and theAdvanced Satellite for Cosmology and AstrophysicsSpectrum of Markarian 290

scientific article published in the Astrophysical Journal

Hot Outflowing Gas from the X‐Ray Binary Hercules X‐1

scientific article published in the Astrophysical Journal

Pulsations and Line Profile Changes in the Ultraviolet Spectrum of Hercules X‐1: Results from a Multiwavelength Campaign

scientific article published in the Astrophysical Journal

Parsec-scale Obscuring Accretion Disk with Large-scale Magnetic Field in AGNs

scientific article published in the Astrophysical Journal

Active galactic nucleus obscuration through dusty infrared-dominated flows. I. Radiation-hydrodynamics solution for the wind

scientific article published in the Astrophysical Journal

SimultaneousHubble Space Telescope/Rossi X‐Ray Timing ExplorerObservations of Scorpius X‐1

scientific article published in the Astrophysical Journal

K-shell photoabsorption and photoionization of trace elements. III. Isoelectronic sequences with electron number 19≤N≤26

scientific article published in Astronomy and Astrophysics

Ultrafast outflow in tidal disruption event ASASSN-14li

scientific article

Feeding and Feedback in the Powerful Radio Galaxy 3C 120

scientific article published in the Astrophysical Journal

The Iron L/K Emission-Line Ratio in Photoioinized Gases

scientific article published in the Astrophysical Journal

Systematic comparison of photoionised plasma codes with application to spectroscopic studies of AGN in X-rays

scientific article published in Astronomy and Astrophysics

Testing Hydrodynamic Models of LMC X‐4 with Ultraviolet and X‐Ray Spectra

scientific article published in the Astrophysical Journal

Parsec-scale accretion and winds irradiated by a quasar

scientific article published in the Astrophysical Journal

Line Asymmetry in the Seyfert Galaxy NGC 3783

scientific article published in the Astrophysical Journal

Thermal phases of interstellar and quasar gas

scientific article published in the Astrophysical Journal

SimultaneousASCAandHubble Space Telescope/GHRS Observations of Cygnus X‐2/V1341 Cygni

scientific article

Plasma effects on atomic data for the K-vacancy states of highly charged iron ions

Disk-wind connection during the heartbeats of GRS 1915+105

scientific article published in the Astrophysical Journal

Winds from cataclysmic variables

FeiiDiagnostic Tools for Quasars

scientific article published in the Astrophysical Journal

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

scholarly article

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

scientific article published on 12 March 2025

The ASTRO-H (Hitomi) x-ray astronomy satellite

Progress on the Micro-X rocket payload

scholarly article published 12 July 2008