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A Recurrent Infrared Modulation in the Warm Postimpact Debris Disk NGC 2547 ID8

  • Authors: Xiaodian Chen, Shu Wang, Zhuochao Huang

Xiaodian Chen et al 2026 The Astrophysical Journal Letters 1011 .

  • Provider: AAS Journals

Caption: Figure 3.

ID8 in the population of warm EDDs observed with JWST. The fitted dust-mass fraction in 5 μm grains is compared with the periodogram significance derived from WISE W2 epochs, ﹩-{\mathrm{log}}_{10}({\rm{FAP}})﹩. Symbol area encodes the W2 multiepoch scatter. ID8 is the only system that combines a fitted surface dominated by small grains with W2 FAP <10−2. Its σW2 > 0.10 mag also shows pronounced infrared variability.

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