Dust in the Ionized Gas of the Large Magellanic Cloud

Details Dust in the Ionized Gas of the Large Magellanic Cloud Dust in the Ionized Gas of the Large Magellanic Cloud

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21545910p&link_type=abstract

American Astronomical Society, AAS Meeting #215, #459.10; Bulletin of the American Astronomical Society, Vol. 42, p.487

Astronomy and Astrophysics

Astronomy

Scientific paper

Dust emission associated to ionized gas has so far been detected only at high latitudes in our Galaxy, and only at far-infrared wavelengths.
Newly available Spitzer data now offer the opportunity to carry out a similar analysis in the Large Magellanic Cloud, and to separate dust emission into components associated with different phases of the gas, i,.e. atomic, molecular and ionized. We perform a correlation study using infrared Spitzer SAGE data (3.6 to 160 microns) combined with gas tracers such as the ATCA/Parkes HI data for the atomic phase, the NANTEN CO data for the molecular phase, and both the SHASSA H-alpha and the radio Parkes 8GHz data, for the ionized phase. In particular, we investigate the presence of dust for different physical regimes of the ionized gas, i.e. from low (diffuse component) to high emission measure (HII regions). Here we show preliminary results of the analysis.

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