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Title: Highly charged ions in a new era of high resolution X‐ray astrophysics

Journal Article · · X-Ray Spectrometry, XRS
DOI: https://doi.org/10.1002/xrs.3107 · OSTI ID:1573439
ORCiD logo [1]; ORCiD logo [1];  [1];  [1];  [2];  [2];  [3];  [1];  [2];  [4]
  1. Physics Division Lawrence Livermore National Laboratory Livermore CA USA
  2. Astrophysics Science Division NASA Goddard Space Flight Center Greenbelt MD USA
  3. Astrophysics Science Division NASA Goddard Space Flight Center Greenbelt MD USA, CRESST University of Maryland Baltimore County Baltimore MD USA
  4. Dr. Karl Remeis‐Observatory &, ECAP Universität Erlangen‐Nürnberg Bamberg Germany

X‐ray astronomy and ground‐based atomic physics have a long history of fruitful collaboration: Sound understanding of the underlying atomic physics is the key to reliable interpretation of the spectra from celestial sources; conversely, astronomical spectra have been used to benchmark and advance atomic physics. This interplay is about to become even more important as we enter a new era of high‐resolution X‐ray astrophysics with large effective collection area. Although high‐resolution observations with the gratings on the Chandra and XMM‐Newton observatories continue to drive new science, upcoming planned and proposed missions will open up new discovery space in the near future that is currently challenging to access: high‐resolution spectroscopy on extended sources, in the Fe K band, and on short time scales. This review summarizes open questions in these areas and the design parameters for the Hitomi, XRISM, Athena, and Arcus observatories. The expected high quality of spectra taken with these observatories puts new constraints on the accuracy of atomic reference data required to take full advantage of the diagnostic potential of these spectra.

Sponsoring Organization:
USDOE
Grant/Contract Number:
DE‐AC52‐ 07NA27344
OSTI ID:
1573439
Journal Information:
X-Ray Spectrometry, XRS, Journal Name: X-Ray Spectrometry, XRS Vol. 49 Journal Issue: 1; ISSN 0049-8246
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
United Kingdom
Language:
English
Citation Metrics:
Cited by: 5 works
Citation information provided by
Web of Science

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