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Related papers: X-Ray Spectroscopy and Atomic Data

200 papers

Wind-fed supergiant X-ray binaries are precious laboratories not only to study accretion under extreme gravity and magnetic field conditions, but also to probe still highly debated properties of massive star winds. These includes the…

High Energy Astrophysical Phenomena · Physics 2022-08-10 Carlo Ferrigno , Enrico Bozzo , Patrizia Romano

The abundance of elements in the interstellar medium (ISM) is a key facet for many fields of astrophysical study. In the soft X-ray spectra, absorption by interstellar gas can result in deep absorption features that affect continuum…

High Energy Astrophysical Phenomena · Physics 2026-02-09 D. L. Moutard , L. R. Corrales , I. Psaradaki , E. Temple , M. Shi

This paper looks at tungsten samples irradiated by beams of protons, gammas, electrons and positrons at the Jupiter Laser Facility of Lawrence Livermore National Laboratory (LLNL). The resulting unstable nuclei created are identified using…

Nuclear Experiment · Physics 2015-06-04 Carol Scarlett , Hui Chen , Jerry Peterson

We present X-ray observations of nine Weak-Line Radio Galaxies (WLRGs), optically classified as confirmed or possible Low Ionization Nuclear Emission-line Regions (LINERs). The data were taken from the Chandra, XMM, and BeppoSax archives.…

Astrophysics · Physics 2009-11-10 Alexander S. Rinn , Rita M. Sambruna , Mario Gliozzi

The past decade has seen a surge of interest in astrophysical charge exchange (CX). The impetus was the discovery of X-ray emission from comets in 1996, soon followed by the observation of CX emission in planetary atmospheres and throughout…

Astrophysics · Physics 2009-11-13 B. J. Wargelin , P. Beiersdorfer , G. V. Brown

We present XMM-Newton observations of N132D, the X-ray brightest supernova remnant (SNR) in the Large Magellanic Cloud (LMC), using the Reflection Grating Spectrometer (RGS) that enables high-resolution spectroscopy in the soft X-ray band.…

High Energy Astrophysical Phenomena · Physics 2020-09-09 Hitomi Suzuki , Hiroya Yamaguchi , Manabu Ishida , Hiroyuki Uchida , Paul P. Plucinsky , Adam R. Foster , Eric D. Miller

This review highlights current (and future) hot topics in astrophysics where atomic or molecular input data are (or will be) essential, with special emphasis on topics relating to nucleosynthesis and cosmochemistry. We first discuss issues…

Astrophysics · Physics 2009-11-10 A. Jorissen

We examine the hypothesis that some supernova remnants (SNRs) may be responsible for some unidentified gamma-ray sources detected by EGRET instrument aboard the Compton Gamma Ray Observatory. If this is the case, gamma-rays are produced via…

Astrophysics · Physics 2007-05-23 B. Hnatyk , O. Petruk

In this contribution we report on the study of the optical emission lines and X-ray spectra of a sample of Type 1 AGNs, collected at the Sloan Digital Sky Survey database and observed by the XMM Newton satellite. Exploiting the different…

High Energy Astrophysical Phenomena · Physics 2018-03-14 G. La Mura , S. Ciroi , V. Cracco , D. Ilić , L. Č. Popović , P. Rafanelli

We present the first high-resolution laboratory spectra of X-ray emission following L-shell charge exchange between nickel ions and neutral H2 and He. We employ the commonly used charge exchange models found in XSPEC and SPEX, ACX and…

X-ray emission from cool stars is an important tracer for stellar activity. The X-ray luminosity reflects different levels of activity and covers four orders of magnitude in stars of spectral types M-F. Low spectral resolution provided by…

Astrophysics · Physics 2009-11-10 J. -U. Ness

We use the PHOENIX code package to model the X-ray spectrum of Nova V4743 Sagittarii observed with the LETGS onboard the Chandra satellite on March 2003. Our atmosphere models are 1D spherical, expanding, line blanketed, and in full NLTE.…

Astrophysics · Physics 2009-11-10 Alexander Petz , Peter H. Hauschildt , Jan-Uwe Ness , Sumner Starrfield

We present measurements of K-shell x-ray emission following charge exchange of fully ionized argon with various neutral gaseous targets at small collision energies inside an electron beam ion trap. We also resolve the principal quantum…

An analysis of the iron L-shell emission in the publicly available spectrum of the Capella binary system, as obtained by the High Energy Transmission Grating Spectrometer on board the Chandra X-ray Observatory, is presented. The…

Astrophysics · Physics 2009-10-31 Ehud Behar , Jean Cottam , Steven M. Kahn

In the framework of the study of supernova remnants and their complex interaction with the interstellar medium, we report on an XMM-Newton EPIC observation of the Galactic supernova remnant W49B. We investigate the spatial distribution of…

Astrophysics · Physics 2009-11-11 M. Miceli , A. Decourchelle , J. Ballet , F. Bocchino , J. P. Hughes , U. Hwang , R. Petre

Purpose: The Low-Energy X-ray telescope (LE) is a main instrument of the Insight-HXMT mission and consists of 96 Swept Charge Devices (SCD) covering the 1-10 keV energy band. The energy gain and resolution are continuously calibrated by…

High-power particle production targets are crucial elements of future neutrino and other rare particle beams. Fermilab plans to produce a beam of neutrinos (LBNE) with a 2.3 MW proton beam (Project X). Any solid target is unlikely to…

Accelerator Physics · Physics 2012-08-14 P. Hurh , O. Caretta , T. Davenne , C. Densham , P. Loveridge , N. Simos

Light Ion Beams are providing an efficient system for high energy applications using confinement reaction (ICF). This paper will demonstrate the mathematical properties of ion beams leaving ICF reactors and hitting a solid target. A single…

Plasma Physics · Physics 2015-10-28 S. R. Mirfayzi

An electron lens is planned for the Fermilab Integrable Optics Test Accelerator as a nonlinear element for integrable dynamics, as an electron cooler, and as an electron trap to study space-charge compensation in rings. We present the main…

Accelerator Physics · Physics 2015-11-17 Daniel Noll , Giulio Stancari

Most photocatalytic and photovoltaic devices operate under broadband, constant illumination. Electron and hole dynamics in these devices, however, are usually measured using ultrafast pulsed lasers in a narrow wavelength range. In this…

Chemical Physics · Physics 2024-04-26 Levi D. Palmer , Wonseok Lee , Chung Li Dong , Ru-Shi Liu , Nianqiang Wu , Scott K. Cushing
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