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We present infrared observations of the young, oxygen-rich supernova remnant1E 0102.2-7219 (E0102) in the Small Magellanic Cloud, obtained with the SpitzerSpace Telescope. The remnant is detected at 24 um but not at 8 or 70 um and hasa filled morphology with two prominent filaments. We find evidence for theexistence of up to 8x10^-4 Msolar of hot dust (T~120 K) associated with theremnant. Most of the hot dust is located in the central region of E0102 whichappears significantly enhanced in infrared and radio continuum emissionrelative to the X--ray emission. Even if all of the hot dust was formed in theexplosion of E0102, the estimated mass of dust is at least 100 times lower thatwhat is predicted by some recent theoretical models.Comment: 5 pages, accepted by ApJ

Spitzer Space Telescope Detection of the Young Supernova Remnant 1E 0102.2-7219