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Searching for small-scale diffuse emission around SGR 1806-20

Tiengo, A.; Mereghetti, S.; Stella, L. +6 more

Diffuse radio emission was detected around the soft gamma-ray repeater SGR 1806-20 after its 2004 powerful giant flare. We study the possible extended X-ray emission at small scales around SGR 1806-20, in two observations by the High Resolution Camera Spectrometer (HRC-S) on board of the Chandra X-ray Observatory: in 2005, 115 days after the giant…