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Open AccessArticle

The XSTAR Atomic Database

Department of Physics, Western Michigan University, Kalamazoo, MI 49008, USA
Physics Center, Venezuelan Institute for Scientific Research (IVIC), Caracas 1020, Venezuela
Physique Atomique et Astrophysique, Université de Mons—UMONS, B-7000 Mons, Belgium
Cahill Center for Astronomy and Astrophysics, California Institute of Technology, Pasadena, CA 91125, USA
Dr. Karl Remeis-Observatory and Erlangen Centre for Astroparticle Physics, Sternwartstr. 7, 96049 Bamberg, Germany
Max Planck Institute for Extraterrestrial Physics, Gießenbachstraße 1, 85748 Garching bei München, Germany
NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
IPNAS, Université de Liège, Sart Tilman, B-4000 Liège, Belgium
ADNET Systems Inc., Bethesda, MD 20817, USA
Author to whom correspondence should be addressed.
Received: 3 December 2020 / Revised: 21 January 2021 / Accepted: 27 January 2021 / Published: 5 February 2021
(This article belongs to the Special Issue Development and Perspectives of Atomic and Molecular Databases)
We describe the atomic database of the xstar spectral modeling code, summarizing the systematic upgrades carried out in the past twenty years to enable the modeling of K-lines from chemical elements with atomic number Z30 and recent extensions to handle high-density plasmas. Such plasma environments are found, for instance, in the inner region of accretion disks round compact objects (neutron stars and black holes), which emit rich information about the system’s physical properties. Our intention is to offer a reliable modeling tool to take advantage of the outstanding spectral capabilities of the new generation of X-ray space telescopes (e.g., xrism and athena) to be launched in the coming years. Data curatorial aspects are discussed and an updated list of reference sources is compiled to improve the database provenance metadata. Two xstar spin-offs—the ISMabs absorption model and the uaDB database—are also described. View Full-Text
Keywords: xstar; atomic databases; atomic processes; line formation; X-rays; high-density plasmas xstar; atomic databases; atomic processes; line formation; X-rays; high-density plasmas
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MDPI and ACS Style

Mendoza, C.; Bautista, M.A.; Deprince, J.; García, J.A.; Gatuzz, E.; Gorczyca, T.W.; Kallman, T.R.; Palmeri, P.; Quinet, P.; Witthoeft, M.C. The XSTAR Atomic Database. Atoms 2021, 9, 12.

AMA Style

Mendoza C, Bautista MA, Deprince J, García JA, Gatuzz E, Gorczyca TW, Kallman TR, Palmeri P, Quinet P, Witthoeft MC. The XSTAR Atomic Database. Atoms. 2021; 9(1):12.

Chicago/Turabian Style

Mendoza, Claudio; Bautista, Manuel A.; Deprince, Jérôme; García, Javier A.; Gatuzz, Efraín; Gorczyca, Thomas W.; Kallman, Timothy R.; Palmeri, Patrick; Quinet, Pascal; Witthoeft, Michael C. 2021. "The XSTAR Atomic Database" Atoms 9, no. 1: 12.

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