The X-ray properties of normal galaxies. What do we know and what can we learn with the next generation of X-ray telescopes?

Details The X-ray properties of normal galaxies. What do we know and what can we learn with the next generation of X-ray telescopes? The X-ray properties of normal galaxies. What do we know and what can we learn with the next generation of X-ray telescopes?

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985esasp.239...33f&link_type=abstract

In ESA Proceedings of ESA Workshop on a Cosmic X-Ray Spectroscopy Mission p 33-41 (SEE N86-22461 12-89)

Mathematics

Logic

2

Galactic Radiation, Spaceborne Telescopes, X Ray Spectra, X Ray Spectroscopy, X Ray Telescopes, Galactic Evolution, Heao 2, Interstellar Matter, Spatial Resolution, Spectral Resolution, Starburst Galaxies, Stellar Coronas, Stellar Evolution

Scientific paper

Einstein Observatory results are used to assess the possibilities of spaceborne X-ray astronomy projects such as XMM (ESA) and AXAF (NASA). Einstein observations show that normal galaxies of all morphological types are spatially extended sources of X-ray emission with 0.5 to 3.0 keV X-ray luminosities of 10 to the 39th to 41st power erg/sec. X-ray telescopes can study the end products of stellar evolution in galaxies of different morphological types. Phenomena linked to starburst nuclear activity can best be detected and studied in X-ray. Hot coronae or a hot phase of the interstellar medium can only be studied through their X-ray emission. It is shown that high spatial resolution is essential for studying normal galaxies and identifying different emission regions. Good spectral sensitivity and spectral imaging capability are essential for gaining a deeper understanding of the phenomena at work.

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