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Table 4:

Summary of the main properties of our and the comparison samples.
Ref. Type z N Area Ly$\alpha $ luminosity
        sq.arcmin erg s-1
This sample Spectroscopic/photometric $\sim$3.0 59/83 133 $\ga$ $0.3\times 10^{42}$
  Around absorption systems        
Serendipitous Spectroscopic $2.30\leq z\leq 3.61$ 6 - -
  Field        
Gronwall et al. (2007)a Photometric only $\sim$3.1 162 1008 $\ga$ $1.3\times 10^{42}$
  Field        
Ouchi et al. (2008)b Photometric only $\sim$3.1 356 3538 $\ga$1042
  Field        
Rauch et al. (2008) Long-slit spectroscopy $ 2.67\leq z\leq 3.75 $ 27 - $(0.015{-}1.73)\times 10^{42}$
  Field        
a These authors have also carried out spectroscopic observations for a subsample of 92 candidates (Gawiser et al. 2007).
b These authors have also carried out spectroscopic observations for a subsample of 41 candidates.

Source LaTeX | All tables | In the text

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