The 9.7 and 18 μm silicate absorption profiles towards diffuse and molecular cloud lines-of-sight

@article{Breemen2010The9A,
  title={The 9.7 and 18 $\mu$m silicate absorption profiles towards diffuse and molecular cloud lines-of-sight},
  author={Johanna van Breemen and Michiel Min and J. E. Chiar and L. B. F. M. Waters and Francisca Kemper and A. C. A. Boogert and Jan Cami and Leen Decin and Claudia Knez and G. C. Sloan and A. Tielens},
  journal={Astronomy and Astrophysics},
  year={2010},
  volume={526},
  pages={152-152}
}
Context. Studying the composition of dust in the interstellar medium (ISM) is crucial for understanding the cycle of dust in our galaxy. Aims. The mid-infrared spectral signature of amorphous silicates, the most abundant dust species in the ISM, is studied in different lines-of-sight through the Galactic plane, thus probing different conditions in the ISM. Methods. We have analysed ten spectra from the Spitzer archive, of which six lines-of-sight probe diffuse interstellar medium material and… Expand
Probing the 9.7 μm interstellar silicate extinction profile through the Spitzer/IRS spectroscopy of OB stars
The 9.7$\mu$m interstellar spectral feature, arising from the Si--O stretch of amorphous silicate dust, is the strongest extinction feature in the infrared (IR). In principle, the spectral profile ofExpand
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Utilizing several instruments on 4–8 m telescopes, we have observed a large sample of objects in the mid-infrared (8–13 μm). These comprise a few evolved stars, multiple envelopes of embedded youngExpand
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THE COMPOSITION OF INTERSTELLAR GRAINS TOWARD ζ OPHIUCHI: CONSTRAINING THE ELEMENTAL BUDGET NEAR THE DIFFUSE-DENSE CLOUD TRANSITION
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Context. Variations in the observed dust emission and extinction indicate a systematic evolution of grain properties in the transition from the diffuse interstellar medium (ISM) to denser molecularExpand
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Dust grains are nucleation centers and catalysts for the growth of icy mantles in quiescent interstellar clouds, the products of which may accumulate into preplanetary matter when new stars and solarExpand
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