@article {28383,
	title = {The X-ray binary populations of M81 and M82},
	volume = {346},
	year = {2019},
	month = {2019/12/1},
	pages = {344 - 349},
	abstract = {We use deep Chandra and HST data to uniquely classify the X-ray binary (XRB) populations in M81 on the basis of their donor stars and local stellar populations (into early-type main sequence, yellow giant, supergiant, low-mass, and globular cluster). First, we find that more massive, redder, and denser globular clusters are more likely to be associated with XRBs. Second, we find that the high-mass XRBs (HMXBs) overall have a steeper X-ray luminosity function (XLF) than the canonical star-forming galaxy XLF, though there is some evidence of variations in the slopes of the sub-populations. On the other hand, the XLF of the prototypical starburst M82 is described by the canonical powerlaw (α<SUB>cum</SUB> \~{} 0.6) down to L<SUB>X</SUB> \~{} 10<SUP>36</SUP> erg s<SUP>-1</SUP>. We attribute variations in XLF slopes to different mass transfer modes (Roche-lobe overflow versus wind-fed systems).},
	keywords = {Accretion, galaxies: individual (M81, galaxies: spiral, galaxies: star clusters, galaxies: starburst, M82), stars: neutron, X-rays: binaries},
	isbn = {1743-9221},
	url = {https://ui.adsabs.harvard.edu/abs/2019IAUS..346..344S},
	author = {Sell, Paul H. and Zezas, Andreas and Williams, Stephen J. and Andrews, Jeff J. and Gazeas, Kosmas and Gallagher, John S. and Ptak, Andrew}
}
