Fig. 5.
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WISE imagery of the Necklace highlighting the clear excess in both bands 3 and 4, possibly attributable to carbonaceous dust, although the estimated dust mass based on IRAS photometry is on the order of 1 × 10−5 M⊙ only. North is up, east is left, and all images measure 180″× 180″and the location of the Necklace is marked with a red circle.
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