Appraising the Necklace: A post-common-envelope carbon dwarf inside an apparently carbon-poor planetary nebula

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Table 4.

COS-HST de-reddened line fluxes.

Line	λ (Å)	I(λ)/I(Hβ)
N V	1240^*	0.210 $_{- 0.046}^{+ 0.059}$ $Mathematical equation: $ ^{+0.059}_{-0.046} $$
Si IV	1394	0.216 $_{- 0.038}^{+ 0.046}$ $Mathematical equation: $ ^{+0.046}_{-0.038} $$
O IV]^*	1402	1.184 $_{- 0.205}^{+ 0.247}$ $Mathematical equation: $ ^{+0.247}_{-0.205} $$
N IV^*	1484	1.543 $_{- 0.245}^{+ 0.290}$ $Mathematical equation: $ ^{+0.290}_{-0.245} $$
C IV^*	1549	2.320 $_{- 0.350}^{+ 0.413}$ $Mathematical equation: $ ^{+0.413}_{-0.350} $$
He II	1640	7.765 $_{- 1.123}^{+ 1.313}$ $Mathematical equation: $ ^{+1.313}_{-1.123} $$
C III]^*	1907	2.616 $_{- 0.405}^{+ 0.479}$ $Mathematical equation: $ ^{+0.479}_{-0.405} $$

Notes.

Blend of several lines of the same ion.

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