Solid state components of varying compositions in the outflow of the Red Rectangle

Details Solid state components of varying compositions in the outflow of the Red Rectangle Solid state components of varying compositions in the outflow of the Red Rectangle

2005-03-04

arxiv.org/abs/astro-ph/0503101v1

Astronomy and Astrophysics

Astrophysics

conference proceedings of Spitzer New Views of the Cosmos, 4 pages

Scientific paper

We present high resolution Spitzer spectroscopy of several pointings in the outflow of the Red Rectangle. Besides the resonances due to the C-rich PAHs, the spectra show a wealth of new emission bands, in particular in the 13-19.5 micron range. We argue that these bands are due to solid state components, and show that simple oxides of a varying composition show a good match to the data. The presence of these O-rich species in the supposedly C-rich outflow is unexplained.

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