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Home All issues Volume 503 / No 2 (August IV 2009) A&A, 503 2 (2009) 445-458 Full HTML
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Table 1:

Free parameters that affect the evolution of the baryonic Universe, see Sect. 2.3 for more details.
Parameter Description Fiducial value Source of constraints
$\beta$ Inverse of star formation efficiency 50 Kennicutt (1998)
$\epsilon$ Inverse of mass loading for feedback 0.1 Martin et al. (2002)
$\chi$ Galaxy merger power law 3.333 Numerical simulations e.g. Walker et al. (1996)
$\Omega_B$ Baryon fraction 0.02 h-2 2H abundance in QSO absorption lines (Tytler et al. 1996)
$\psi$ S-S merging normalisation 0.017 Makino & Hut (1997)
$\varsigma$ Recycling efficiency 0.3 Set to fiducial value in Hatton et al. (2003)
$\kappa$ Ratio of burst-to-bulge radius 0.1 Set to fiducial value in Hatton et al. (2003)
Dust ISM Extinction and emission due to dust - Guiderdoni et al. (1987), Desert et al. (1990)
IMF Initial mass function - Kennicutt (1983)

Source LaTeX | All tables | In the text

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