Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.8805f&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #88.05; Bulletin of the American Astronomical Society, V
Astronomy and Astrophysics
Astronomy
Scientific paper
The active star-forming region M16, also known as the Eagle Nebula, has become famous for its pillars that the Hubble Space Telescope has imaged more than ten years ago. The interaction between the radiation field of young stars and the inhomogeneous molecular cloud where they were born results in these structures and triggers the formation of a new generation of stars. The dust, mixed with the gas, is highly processed and its properties significantly change across the entire region. The analysis of the dust emission in M16 may thus help to improve our understanding of the dust evolution cycle and properties.
I combine data from the MIPSGAL and GLIMPSE surveys of the Spitzer Space Telescope, as well as ancillary images and spectra from ISOCAM, IRAS and MSX, in order to probe the Near to Far Infrared emission of the smallest to biggest dust grains, respectively. Using an updated version of the model of Desert et al. (1990), I aim at constraining the smallest dust grains (PAH) properties in terms of size and ionization state, as well as the dust size distribution, in agreement with these observations.
I will present some preliminary results of this work, which is my current research project as a Visiting Graduate Student at the Spitzer Science Center, California Institute of Technology.
Carey Sean
Flagey Nicolas
MIPSGAL Team
Noriega-Crespo Alberto
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