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Based on a homogeneous set of X-ray, infrared and ultraviolet observations from Chandra, Spitzer, GALEX and 2MASS archives, we study populations of high-mass X-ray binaries (HMXBs) in a sample of 29 nearby star-forming galaxies and their relation to the starformation rate (SFR). In agreement with previous results, we find that HMXBs are a good tracer of the recent star-formation activity in the host galaxy and their collective luminosity and number scale with the SFR: in particular, L X 2.6 10 39 SFR. However, the scaling relations still bear a rather large dispersion of rms 0.4 dex, which we believe is of a physical origin.
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A 2011 study studied this question.
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