Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sptz.prop..107f&link_type=abstract
Spitzer Proposal ID #107
Astronomy and Astrophysics
Astrophysics
Scientific paper
Massive star forming regions present spectacular views of several important astrophysical processes, from the emergence of rich clusters from dust-enshrouded cloud cores to the excitation and destruction of the surrounding interstellar medium. The Omega Nebula (M 17) is among the most active star forming regions in the sky, and contains one of the brightest HII regions in both optical and thermal wavelengths. Adjacent to the HII region lies an extremely massive dense molecular cloud core, containing more than 10^4 solar masses of material and an embedded infrared cluster. The complex structure of the ionized gas in the nebula was recently featured in a release of images from the Hubble Space Telescope/Advanced Camera for Surveys. The IRAC observations will highlight complementary structure in the optically dark, infrared bright, regions of M 17, in a dramatic demonstration of SIRTF's capability to 'lift the cosmic veil'.
Allen Lori
Fazio Giovanni
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