PowerPoint Presentation - Isolated Neutron Stars, solid crust

(the longest EPIC observation of a galactic source)

1E1207.4-5209: 257,303 s with XMM-Newton

€ Data and best fitting continuum spectral model

3 Multiple absorption features:

i.0.72 ± 0.02 keV

ii.1.37 ± 0.02 keV

iii.2.11 ± 0.03 keV

iv.less significant at 2.85 ± 0.06 keV

(Bignami et al., 2003, Nature)

(two bb at kT=0.211± 0.0001 keV and kT=0.40 ± 0.02 keV; NH = 1.0 ± 0.1 cm -2)

€ Residuals in unit of standard deviations s from the best-fitting continuum

MOS