FUV Signatures of Dusty Galactic Clouds

Details FUV Signatures of Dusty Galactic Clouds FUV Signatures of Dusty Galactic Clouds

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21932002h&link_type=abstract

American Astronomical Society, AAS Meeting #219, #320.02

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Scientific paper

We describe a project to observe and model the FUV signatures of diffuse galactic clouds. IR-excess clouds identified by Desert et al. (1988) and cold cores identified by the early cold core catalogue (ECC) from the Planck collaboration (Planck Collaboration et al. 2011) are used to identify potential dusty clouds. The GALEX AIS survey data of these dusty clouds are compared to the 100 micron dust maps from Schlegel, Finkbeiner, Davis (1998). We are developing a cloud model to predict and characterize the FUV behavior of these clouds given their positions in the galaxy, dust composition, and other properties. This model uses galactic dust information derived from realistic Galactic models (3D), combined with Hipparcos stars to create a reasonably good simulation of the galaxy in dust and illumination. Small dusty clouds are placed throughout the model and the predicted reflected FUV light is measured using ray-tracing. We present the results of this model as they compare to existing FUV and dust emission.

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