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Dust Continuum

Dust Continuum. Intensity  Column density  Mass. Dust emission. 1.3 mm dust emission (Motte & Andre 2001). Simple case:. If τ <<1 and T d =constant , Dust Temperature T d and emissivity spectral index b can be solved!. Under Rayleigh-Jeans limit and τ <<1,.

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Dust Continuum

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  1. Dust Continuum

  2. Intensity  Column density  Mass • Dust emission 1.3 mm dust emission (Motte & Andre 2001)

  3. Simple case: If τ <<1 and Td=constant, Dust Temperature Td and emissivity spectral index b can be solved! Under Rayleigh-Jeans limit and τ <<1, Beckwith & Sargent (1991): -1<b<1 Schnee et al, 2007, ApJ

  4. power law envelope Mundy et al. (2000), PPVI Motte (1998) : Beckwith & Sargent (1991): -1<b<1 Dust modeling: Spitzer (1977): Chap 7-9 Draine & Le (1984) Draine, 2003, ARA&A

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