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Thermal and Nonthermal Emission at Large Radii in the ... - HEASARC

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Hard
X-rays:
PIN-XMM
Results<br />

• Detection
of
excess
HXR<br />

• Best-fit
power-law
Γ =
3.2,<br />

much
steeper
than
radio<br />

_
really
<strong>the</strong>rmal?<br />

• Assum<strong>in</strong>g
power-law
with<br />

Γ =
2.1
(radio)<br />

F X 
=
3.4
x
10 -12 
ergs/cm 2 /s<br />

12-70
keV<br />

• Doesn’t
<strong>in</strong>clude
system<strong>at</strong>ic<br />

errors!!<br />

XMM<br />

PIN

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