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The Disk Atmospheres of Three Herbig Ae/Be Stars
David E. Harker, Charles E. Woodward, Diane H. Wooden +1
We present infrared (IR) spectrophotometry () of three Herbig Ae/Be stars surrounded by possible protoplanetary disks: HD 150193, HD100546 and HD 179218. We construct…
The Ages of Elliptical Galaxies from Mid-Infrared Emission
Pasquale Temi, William G. Mathews, Fabrizio Brighenti
The mid-infrared (10-20 um) luminosity of elliptical galaxies is dominated by the integrated emission from circumstellar dust in red giant stars. As a single stellar population evo…
Variations of the Mid-IR Emission Spectrum in Reflection Nebulae
Jesse D. Bregman, Pasquale Temi
Using spatial-spectral data cubes of reflection nebulae obtained by ISOCAM, we have observed a shift in the central wavelength of the 7.7 um band within several reflection nebulae.…