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Table 4.

Emission lines, identified in the X-shooter spectrum, and their measured fluxes corrected for Galactic extinction only.

Line Fλ
[10−17 erg cm−2 s−1]
[O II] 3726 12.6 ± 0.3
[O II] 3729 16.2 ± 0.3
[Ne III] (a) 2.9 ± 0.4
Hγ (b) 4.3 ± 0.3
Hβ (b) 14.5 ± 0.3
[O III] 4959 (a) 12.8 ± 0.3
[O III] 5007 (a) 38.8 ± 0.3
He I 5876 2.9 ± 0.5
[O I] 6300 2.3 ± 0.3
Hα 89.7 ± 0.8
[N II] 6583 14.8 ± 0.6
[S II] 6717 8.9 ± 0.3
[S II] 6733 7.1 ± 0.3
[S III] 9071 (a) 10.9 ± 0.5
He I 10833 11.2 ± 0.5
Paγ (c) 4.9 ± 0.5

Notes. We did not correct for host extinction here because of the uncertainty in deriving the extinction (see text).

(a)

Fluxes obtained by simple integration,

(b)

The line is affected by line-of-sight absorption in the afterglow continuum, fluxes are obtained by fitting a single Gaussian to the emission part.

(c)

The line suffers from residual sky emission, the flux is obtained by using the unaffected blue wing of the line and approximating it with a Gaussian with a fixed centre.

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