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Table D.2.

Abundances in three components of Peekaboo.

Value subsystem E(red)(4363) subsystem E(blue)† Region W†
PG900+PG3000+PG1800 PG900+PG3000+PG1800 PG900+PG3000+PG1800
Te(OIII)(K) 19,682±1990 22,032±2316 22,488±2285
Te(OII)(K) 15,582±208 16,209±508 16,305±463
Te(SIII)(K) 18,542±1327 19,877±1087 20,082±985
Ne(SII)(cm−3) 10±10 10±10 10±10

O+/H+(×105) 0.387±0.026 0.323±0.044 0.664±0.062
O++/H+(×105) 0.601±0.128 0.468±0.098 0.289±0.057
O/H(×105) 0.988±0.131 0.790±0.107 0.953±0.084
12+log(O/H) (dir) 6.99±0.06 ... ...
12+log(O/H)(mse,c) 6.96±0.11 6.94±0.11 7.02±0.10
12+log(O/H)(s) 7.01±0.04 6.98±0.05 7.02±0.05

N+/H+(×107) 1.429±0.121 1.343±0.283 2.304±0.202
ICF(N) 2.573 2.471 1.368
N/H(×105) 0.04±0.00 0.03±0.01 0.03±0.00
12+log(N/H) 5.57±0.04 5.52±0.09 5.50±0.04
log(N/O) -1.43±0.07 -1.38±0.11 -1.48±0.05

Ne++/H+(×105) 0.128±0.033 0.092±0.028 0.068±0.020
ICF(Ne) 1.167 1.174 1.321
Ne/H(×105) 0.15±0.04 0.11±0.03 0.09±0.03
12+log(Ne/H) 6.17±0.11 6.03±0.13 5.96±0.13
log(Ne/O) -0.82±0.12 -0.86±0.15 -1.02±0.14

S+/H+(×107) 0.529±0.040 0.772±0.057
S++/H+(×107) 0.846±0.553 1.620±0.679
ICF(S) 0.970 0.826
S/H(×107) 1.33±0.54 1.98±0.56
12+log(S/H) 5.12±0.18 5.30±0.12
log(S/O) -1.87±0.18 -1.68±0.13

Ar++/H+(×107) 0.489±0.092 0.196±0.080 0.234±0.069
ICF(Ar) 1.075 1.074 1.103
Ar/H(×107) 0.53±0.10 0.21±0.09 0.26±0.08
12+log(Ar/H) 4.72±0.08 4.32±0.18 4.41±0.13
log(Ar/O) -2.27±0.10 -2.58±0.19 -2.57±0.13

† Abundances of O, N, Ne, and Ar for subsystems E(blue) and Region W, and of S for Region W are calculated with Te, adopted in the modified semi-empirical method (mse) (Pustilnik et al. 2021). Relative values X/O are direct results of calculations. 12+log(O/H)(mse) is, however, corrected upward by 0.04 dex for consistency with O/H(Te) zero point (see Pustilnik et al. 2021).

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