X-rays and Galactic Structure

Details X-rays and Galactic Structure X-rays and Galactic Structure

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cxo..prop.1821s&link_type=abstract

Chandra Proposal ID #06620375

Computer Science

Chandra Proposal Id #06620375

Scientific paper

The very different dynamical natures of ring, bar and spiral structures in intermediate-type spiral galaxies should display distinct X-ray emission signatures. In particular, the spectral, spatial, and brightness distributions of discrete X-ray sources and of unresolved emission associated with these features can be used to probe their evolutionary history, to obtain a more complete picture of star-formation processes, and to test against theories such as models for the evolution of the X-ray source populations. We will compare the luminosity and color-color distributions of discrete sources in these substructures, determine the spatial dependence of the spectral properties of the unresolved emission, and perform timing and spectral analysis of the brightest individual sources.

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