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Table 2

Modelling the line ratios to Hβ =1 observed by van Dokkum et al. (2005) and Kriek et al. (2009).

Line Obs1 M AGN M SB Obs2 m AGN m SB

z 2.225 2.1865
Lyα 41.87 53.97 30.39 27.7
NV 1240 0.007 0.072 0.31 1.27
CIV 1550 0.53 0.67 0.8 2.64
HeII 1640 3.43 3.32 0.89 0.16
[OII] 3727+ 6.13 6.7 6.4 >5.33 6. 5.
[NeIII] 3869+ 2.17 1.76 2.5
[OIII] 5007+ 10.2 10 11. <1.36 1.48 1.4
[OI] 6300+ <0.26 0.7 0.9
[NII] 6548+ 2.46 3.2 3.6 >5.26 4.7 5.
Hα 3. 3. 3. 3.07 3. 3.
[SII] 6718 0.5 0.5 0.29 >1.8 1.1 1.1
[SII] 6731 0.45 0.52 0.37 >0.67 1.1 1.7
Hβobs3 2.9 × 10-17 < 4.2 × 10-18
Hβmod3 0.059 0.051 0.013 0.009
Vs (km s-1) 100 250 180 150
n0 (cm-3) 150 130 100 300
F 3 40 1.6
T (104 K) 20 7
U 0.03 0.007
D (1019) cm 2 1 1. 0.6
N/H (10-4) 0.8 0.4 1.0 1.2
O/H (10-4) 6.6 5.6 5.6 6.6
S/H (10-4) 0.06 0.06 0.07 0.06

Notes.

(1)

van Dokkum et al. (2005);

(2)

Kriek et al. (2009);

(3)

in erg cm-2 s-1;

(4)

in 109 photons cm-2 s-1 eV-1 at the Lyman limit.

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