Thermal and Nonthermal Emission at Large Radii in the ... - HEASARC
Thermal and Nonthermal Emission at Large Radii in the ... - HEASARC
Thermal and Nonthermal Emission at Large Radii in the ... - HEASARC
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Tighter Limit from XIS (Cont.)<br />
• Assume same spectral <strong>in</strong>dex <strong>at</strong> lower energies<br />
• Assume XIS = <strong>the</strong>rmal + IC<br />
• Assume IC follows radio image<br />
• Apply results to all of relic<br />
F X 2.2 µG, very strong magnetic field <strong>at</strong> <br />
projected radius of ~2 Mpc !!<br />
Some previous evidence for a strong B <strong>in</strong> relic from<br />
Faraday rot<strong>at</strong>ion (Johnston-Hollitt 2004).
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