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X-ray astronomy in the new millennium: a summary

Blandford, Roger D. (2002) X-ray astronomy in the new millennium: a summary. Philosophical Transactions A: Mathematical, Physical and Engineering Sciences, 360 (1798). pp. 2091-2103. ISSN 1364-503X. https://resolver.caltech.edu/CaltechAUTHORS:20200929-143507031

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Abstract

Recent X–ray observations have had a major impact on topics ranging from proto–stars to cosmology. They have also drawn attention to important and general physical processes that currently limit our understanding of thermal and non–thermal X–ray sources. These include unmeasured atomic astrophysics data (wavelengths, oscillator strengths, etc.), basic hydromagnetic processes (e.g. shock structure, reconnection), plasma processes (such as electron–ion equipartition and heat conduction) and radiative transfer (in discs and accretion columns). Progress on these problems will probably come from integrative studies that draw upon observations, throughout the electromagnetic spectrum, of different classes of source. X–ray observations are also giving a new perspective on astronomical subjects, like the nature of galactic nuclei and the evolution of stellar populations. In addition, they are helping us to address central cosmological questions, including the measurement of the matter content of the Universe, understanding its overall luminosity density, describing its chemical evolution and locating the first luminous objects. X–ray astronomy has a healthy future with several international space missions under construction and in development.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1098/rsta.2002.1055DOIArticle
ORCID:
AuthorORCID
Blandford, Roger D.0000-0002-1854-5506
Additional Information:© 2002 The Royal Society. Discussion Meeting Issue ‘X–ray astronomy in the new millennium’ organized by R. D. Blandford, A. C. Fabian and K. Pounds. I thank The Royal Society for support to attend this Discussion Meeting and the NSF and NASA for support under grants AST99-00866 and 5-2837.
Group:TAPIR
Funders:
Funding AgencyGrant Number
NSFAST 99-00866
NASA5-2837
Subject Keywords:X-rays; accretion; black holes; galaxies; cosmology
Issue or Number:1798
Record Number:CaltechAUTHORS:20200929-143507031
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200929-143507031
Official Citation:Blandford Roger D. 2002 X-ray astronomy in the new millennium: a summary Phil. Trans. R. Soc. A. 360:2091–2103 http://doi.org/10.1098/rsta.2002.1055
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:105647
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:30 Sep 2020 14:09
Last Modified:30 Sep 2020 14:20

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