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astro-ph2008★ 49 cited

The Long-Term Variability of the X-Ray Sources in NGC 6946 and NGC 4485/4490

Joel K. Fridriksson, Jeroen Homan, Walter H. G. Lewin +2

We analyze data from five Chandra observations of the spiral galaxy NGC 6946 and from three Chandra observations of the irregular/spiral interacting galaxy pair NGC 4485/4490, with…