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- W1993485268 abstract "We present the first two-dimensional mid-infrared images of the circumstellar dust distribution around the supergiant star α Scorpii. Our observations were made at wavelengths of 12.5 and 20.8 μm using the MIRLIN focal-plane array camera on the Keck II 10 m telescope, with spatial resolution (λ/D) of 029 and 048 at the two wavelengths, respectively. Our deconvolved images, which provide a resolution enhancement of approximately a factor of 2, show that the dust shell previously detected in one-dimensional scans is actually highly nonuniform. Specifically, the shell is now seen to be concentrated largely into three discrete clumps, and there is evidence of a more recent ejection which has left a central concentration of dust within about 03 from the star." @default.
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- W1993485268 date "2001-02-20" @default.
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- W1993485268 title "Mid‐Infrared Images of the Circumstellar Dust around α Scorpii" @default.
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- W1993485268 doi "https://doi.org/10.1086/319035" @default.
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