Contents
ß M83 (grand-design
spiral with nuclear starburst)
diffuse emission
discrete source populations
multi-wavelength comparisons
ß M81 (grand-design
spiral with active nucleus)
discrete source populations
origin of the X-ray emission lines
comparison between Milky Way, M83, M81
For more details, see recent papers by
our UCL group
(Soria et al 2003, Page et al 2003,
2004)