Extrasolar planet population synthesis - I. Method, formation tracks, and mass-distance distribution

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Table 2:

Parameters describing the lognormal distribution of circumstellar disk masses $\mu$ and $\sigma$ , from different sources.
Source	$\mu$	$M_{\rm disk}(\mu)[M_\odot]$	$\sigma$
Fit to Taurus	-1.66	0.022	0.74
Fit to Ophiuchus	-1.38	0.042	0.49
Robinson et al. (2006)^a	-1.3	0.05	0.25
Ida & Lin (2004a)^b	-1.48	0.033	1.0

^a The value given by Robinson et al. (2006) is obtained by extrapolating the observed $\mu=-2.31$ of Andrews & Williams (2005) back to the assumed initial state, and $\sigma$ is reduced to 0.25 from observed value 0.5.
^b The values of Ida & Lin (2004a) are calculated using the value for the MMSN from Hayayshi (1981).

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