Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000head....5.1805w&link_type=abstract
American Astronomical Society, HEAD Meeting #5, #18.05; Bulletin of the American Astronomical Society, Vol. 32, p.1209
Astronomy and Astrophysics
Astronomy
2
Scientific paper
Imaging starburst galaxies in X-rays using CXO has dramatically improved our ability to separate point sources from extended emission, and hence to study the discrete source populations. We have examined four very different examples: the nearby starburst galaxy M82, a large spiral galaxy with a nuclear starburst NGC1808, and two very luminous examples of interacting systems, NGC3256 and NGC6240. These examples represent very different views of the X-ray phenomenon in starbursts. Super-Eddington sources are seen in M82 and NGC3256, with many more in the latter galaxy, presumably reflecting its high bolometric luminosity. NGC6240 is known to habor an AGN, however the Chandra results reveal the extended X-ray emission associated with the starburst. Our results emphasize the complexity and multicomponent nature of starburst galaxies viewed in X-rays.
Alonso-Herrero Almudena
Lira Paulina
Murray Stephen S.
Prestwich Andrea
Ueno Satoru
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