comparison of gas and dust cooling rates in - Rencontres de Moriond
comparison of gas and dust cooling rates in - Rencontres de Moriond
comparison of gas and dust cooling rates in - Rencontres de Moriond
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E. Bayet<br />
≡ Radiation field (CII / C)<br />
PDR / TOTAL (CII)<br />
<strong>Moriond</strong> – March, 6th-12th 2005<br />
Comparison between differents tracers : 1) Morphologic<br />
(neutral <strong>and</strong> molecular <strong>gas</strong> + <strong>dust</strong>)<br />
≡ Density (CII / OI)<br />
Dust <strong>cool<strong>in</strong>g</strong> Dust <strong>cool<strong>in</strong>g</strong><br />
Dust <strong>cool<strong>in</strong>g</strong><br />
≡ Cool<strong>in</strong>g efficiency (CO / FIR & C/ FIR)<br />
Heat<strong>in</strong>g efficiency<br />
Larger dispersion<br />
<strong>in</strong> <strong>dust</strong> <strong>cool<strong>in</strong>g</strong> than<br />
<strong>in</strong> radiation field<br />
<strong>and</strong> <strong>de</strong>nsity<br />
Contribution <strong>of</strong><br />
the CII from PDR<br />
more important <strong>in</strong><br />
NGC 6946<br />
CO <strong>cool<strong>in</strong>g</strong> rate<br />
more efficient than<br />
C <strong>cool<strong>in</strong>g</strong> rate<br />
IC 10 clearly<br />
differs from others