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Table 2

Line intensities (normalized to Hα = 1000).

Line Knot A Knot B Knot C Arc HII region

[OIII]4959+5007a 470: 940: 740: 1580b
[OI]6300 5.0 4.9 5.9 7.0
[SIII]6312 4.5 4.7 6.1 4.8 2.2
[NII]6548 153 163 184 102 41
Hα 1000 1000 1000 1000 1000
[NII]6583 470 515 581 325 132
HeI6678 13.9 12.5 14.9 14.7 14.0
[SII]6716 70.6 58.6 72.1 48.2 38.0
[SII]6737 92.9 123 127 67.2 30.7

Notes.

(a)

Estimate from narrow-band images, corrected for reddening assuming an intensity ratio Hα/Hβ = 2.85 (see text).

(b)

Derived from García-Rojas et al. (2007) at a different position nearer to the embedded cluster.

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