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Table 1

Best-fit parameters obtained on the nebula, the pulsar, and different parts of the rim of the RX J0852.0−4622 SNR.

Power-law best-fit parameters Region area Annulus radii
NH index flux (10-12 ergs/cm2 s-1) arcmin2 arcsec

Pulsar & PWN
PSR J0855 − 4644 0.64 1.24 0.26 0.2 0–15
PWN 0.76 2.03 0.88 19.4 15–150
Inner PWN 0.64 1.70 0.39 2.9 15–60
Outer PWN 0.64 2.01 0.55 16.5 60–150

SNR
Southeast rim 0.88 2.32 1.83 25.7
South rim 0.85 2.66 2.88 42.1
Northwest rim 0.68 2.53 4.10 15.2

Notes. For each spectrum, a two-components (absorbed VAPEC + absorbed power-law, see Sect. 2.3 for details) astrophysical background model was estimated from the background regions shown in Figs. 1 and 4. Only the parameters from the non-thermal components are listed in this table while the parameters of the thermal component are fairly constant from one region to another (kT = 0.14 − 0.17 keV and the NH was fixed to 5 × 1020 cm-2 for all the regions). The unabsorbed non-thermal fluxes of the PWN, PSR and SNR’s rim are given in the 2–10 keV energy range and the NH in units of 1022 cm-2. The area of the extraction region and the annulus radii for the PSR/PWN analysis are also given. The error bars are given at 90% confidence level.

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