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Table 6

H2 column densities and excitation temperatures.

Component log N(H2,J)a b T0 − J
zabs, v (km   s-1) (cm-2) (km   s-1) (K)

#1, z = 2.68801, Δv =  − 127 16.28
J = 0 15.51 ± 0.05 3.3 ± 0.2
J = 1 16.08 ± 0.10 193
J = 2 15.39 ± 0.20 271
J = 3 15.13 ± 0.05 261
#2, z = 2.68868, Δv =  −73 17.62
J = 0 16.94 0.4
J = 1 17.51 ± 0.05 1.2 ± 0.1  ≥ 117
J = 2 15.25 ± 0.03 3.3 ± 0.2 93
J = 3 14.89 ± 0.02 4.9 ± 0.2 131
#3, z = 2.68955, Δv =  − 2 19.20
J = 0 18.65 ± 0.20 6.0 ± 0.1
J = 1 18.92 ± 0.10 108
J = 2 18.18 ± 0.10 190
J = 3 18.21 ± 0.10 252
J = 4 15.43 ± 0.10 7.9 ± 0.1 177
J = 5 14.95 ± 0.05 213

Notes.

(a)

The first line for each component gives the total H2 column density in that component.

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