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Home All issues Volume 519 (September 2010) A&A, 519 (2010) A28 Full HTML
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Table 1:

Crystalline silicate fractions for a range of model parameters.

$\Omega_0=10^{-14}$ s-1, $c_{\rm s}=0.19$ km s-1
t R (AU)
(Myr) 10 30 100   10 30 100   10 30 100   10 30 100
  M0=0.20, $M_{\rm d}=0.012$   M0=0.50, $M_{\rm d}=0.074$   M0=1.0, $M_{\rm d}=0.26$   M0=5.0, $M_{\rm d}=2.3$
1.0 19.7 20.1 21.5   6.7 6.0 5.5   7.6 3.8 1.9   17.0 2.9 0.4
1.6 21.1 21.3 22.2   6.1 5.8 5.7   5.3 3.4 2.3   23.0 3.9 0.4
3.1 22.9 23.0 23.4   5.9 5.8 5.9   3.3 2.6 2.2   24.6 4.4 0.6
  $\Omega_0=10^{-14}$ s-1, $c_{\rm s}=0.26$ km s-1
t R (AU)
(Myr) 10 30 100   10 30 100   10 30 100   10 30 100
  M0=0.20, $M_{\rm d}=0$ a   M0=0.50, $M_{\rm d}=0.037$   M0=1.0, $M_{\rm d}=0.13$   M0=5.0, $M_{\rm d}=1.9$
1.0 ... ... ...   32.1 32.3 33.8   17.4 16.0 15.1   54.1 9.3 1.2
1.6 ... ... ...   33.3 33.5 34.4   16.4 15.7 15.4   37.5 9.7 2.2
3.1 ... ... ...   35.1 35.3 35.7   16.0 15.8 15.8   16.5 6.1 3.3
  $\Omega_0=10^{-13}$ s-1, $c_{\rm s}=0.19$ km s-1
t R (AU)
(Myr) 10 30 100   10 30 100   10 30 100   10 30 100
  M0=0.20, $M_{\rm d}=0.051$   M0=0.50, $M_{\rm d}=0.23$   M0=1.0, $M_{\rm d}=0.58$   M0=5.0, $M_{\rm d}=4.1$
1.0 2.1 1.9 1.6   2.6 1.3 0.6   4.4 1.3 0.3   5.4 1.1 0.2
1.6 1.8 1.7 1.6   1.7 1.0 0.5   2.9 1.1 0.4   5.1 1.2 0.2
3.1 1.6 1.5 1.5   1.0 0.6 0.4   1.5 0.6 0.3   8.5 0.5 0.02
  $\Omega_0=10^{-13}$ s-1, $c_{\rm s}=0.26$ km s-1
t R (AU)
(Myr) 10 30 100   10 30 100   10 30 100   10 30 100
  M0=0.20, $M_{\rm d}=0.019$   M0=0.50, $M_{\rm d}=0.13$   M0=1.0, $M_{\rm d}=0.43$   M0=5.0, $M_{\rm d}=3.5$
1.0 12.1 12.0 12.0   5.3 4.4 3.6   6.2 3.3 1.7   19.3 3.9 0.6
1.6 12.0 12.0 12.0   4.5 4.0 3.6   4.5 2.6 1.6   14.6 3.3 0.7
3.1 12.1 12.1 12.2   3.7 3.5 3.3   2.7 1.7 1.3   8.6 2.4 0.8

Notes. The fractions are given in per cent of the total silicate dust abundance at the indicated distance from the star (R) and time after the onset of collapse (t). The initial cloud core mass (M0, in $M_\odot $) and the disk mass at the end of the accretion phase ($M_{\rm d}$, in $M_\odot $) are listed for each combination of parameters. (a) No disk is formed at all for this combination of parameters.


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