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Table 6

Spherical envelope models derived from dust-continuum radiative-transfer calculations of Kristensen et al. (2012).

Source Y a p b τ 100 c r in d r out e r 10   K f n rin g n r out h n 10   K i N H2,10   K j M 10   K k
[AU] [AU] [AU] [cm-3] [cm-3] [cm-3] [cm-2] [M]

IRAS 4A 1000 1.8 7.7 33.5 3.3  ×  104 6.4  ×  103 3.1  ×  109 1.2  ×  104 2.4  ×  105 1.9  ×  1024 5.1
IRAS 4B 800 1.4 4.3 15.0 1.2  ×  104 3.8  ×  103 2.0  ×  109 1.8  ×  105 8.7  ×  105 1.0  ×  1024 3.0

Notes. 

(a)

rin/rout.

(b)

Power law index.

(c)

Opacity at 100 μm.

(d)

Inner radius of the envelope.

(e)

Outer radius of the envelope, reaching out to 8 K.

(f)

10 K radius.

(g)

Number density at rin.

(h)

Number density at rout.

(i)

Number density at 10 K radius.

(j)

H2 column density.

(k)

Total mass of the envelope in 10 K radius.

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