The Chandra LETGS high resolution X-ray spectrum of the isolated neutron star RX J1856.5–3754


We present the Chandra LETGS X-ray spectrum of the nearby (' 60 pc) neutron star RXJ1856.5– 3754. Detailed spectral analysis of the combined X-ray and optical data rules out the nonmagnetic neutron star atmosphere models with hydrogen, helium, iron and solar compositions. We also conclude that strongly magnetized atmosphere models are unable to represent… (More)


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