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Table 5

Median metallicities and masses for different LGRB host galaxy programs.

Survey Z δZa log 10(M ∗ /M) δa
(Z) dex dex

Svensson et al. (2010) 0.54 0.65 9.12 1.84
Savaglio et al. (2005) 0.26 0.12 9.32 0.75
Mannucci et al. (2011) 0.61 0.30 9.33 0.64
Rau et al. (2010)b 0.13 0.62 ... ...
Krühler et al. (2011a) ... ... 9.76 0.38

Notes. 

(a)

Standard deviation.

(b)

Damped Lyman-α systems at z ~ 2.

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