The Eagle Nebula unveiled by the MIPSGAL survey

Details The Eagle Nebula unveiled by the MIPSGAL survey The Eagle Nebula unveiled by the MIPSGAL survey

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009eimw.confe..23f&link_type=abstract

"The Evolving ISM in the Milky Way and Nearby Galaxies, The Fourth Spitzer Science Center Conference, Proceedings of the confere

Physics

Galaxies: Ism, Infrared: Galaxies, Infrared: Ism, Ism: Dust, Extinction, Ism: Structure

Scientific paper

We report the discovery of structured diffuse infrared emission in MIPSGAL 24 μm Spitzer images of the Eagle Nebula that fills the wind-blown cavity of this massive star forming region. We combine the Spitzer data with ISO and MSX observations to present a spectral energy distribution of this emission. The SED peaks at 24 μm and is fit by emission from silicates and/or graphite grains at ˜90 K. We show that the emission cannot be powered by the NGC 6611 cluster radiation or winds. The spatial extent, the dust temperature and the infrared brightness can all be accounted for by collisional heating of interstellar dust swept by a supernova explosion.

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