Open Access
Table A.5.
Ionic abundances and original-to-revised ratios for the other five PNe in M 31
| Line/Ion | M1596 | Ratio | M2471 | Ratio | M2860 | Ratio | M1074 | Ratio | M1675 | Ratio |
|---|---|---|---|---|---|---|---|---|---|---|
| He I 4026 | 23.120±1.809(−2) | 11.248±1.879(−2) | 18.550±4.793(−2) | 6.538±0.640(−2) | ⋯ | |||||
| He I 4472 | 8.334±0.666(−2) | 8.003±1.358(−2) | 11.377±3.056(−2) | 10.259±0.917(−2) | 8.809±2.349(−2) | |||||
| He 4922 | ⋯ | 5.163±1.124(−2) | 9.027±2.900(−2) | ⋯ | 16.353±5.232(−2) | |||||
| He I 5876 | 8.992±0.858(−2) | 7.056±1.429(−2) | 7.953±2.537(−2) | 9.992±1.134(−2) | 8.478±2.789(−2) | |||||
| He I 6678 | 8.691±0.829(−2) | 4.976±1.059(−2) | 6.145±1.971(−2) | 7.610±0.811(−2) | 9.243±3.021(−2) | |||||
| He I 7065 | 14.203±1.721(−2) | 11.479±2.509(−2) | 8.858±2.903(−2) | 16.511±2.064(−2) | 9.937±3.446(−2) | |||||
| He I 7281 | ⋯ | 5.235±1.116(−2) | 2.179±0.755(−2) | ⋯ | ⋯ | |||||
| He+(adopted) | 8.992±0.858(−2) | 0.99 | 7.056±1.429(−2) | 1.13 | 7.953±2.537(−2) | 1.33 | 9.992±1.134(−2) | 0.98 | 8.478±2.789(−2) | 1.19 |
| He II 4686 | 2.993±0.232(−2) | 2.887±0.495(−2) | 6.490±1.687(−3) | 2.260±0.199(−3) | 1.063±0.283(−2) | |||||
| He II 5411 | 3.323±0.309(−2) | 2.843±0.581(−2) | 5.745±1.910(−3) | ⋯ | ⋯ | |||||
| He2+(adopted) | 2.993±0.232(−2) | 1.00 | 2.887±0.495(−2) | 0.95 | 6.490±1.687(−3) | 0.94 | 2.260±0.199(−3) | 0.99 | 1.063±0.283(−2) | 0.97 |
| [O I]6300 | 7.494±1.150(−6) | 7.906±1.885(−6) | 1.429±0.513(−6) | 2.691±0.410(−6) | 9.044±3.703(−6) | |||||
| [O I]6363 | 7.230±1.135(−6) | 7.610±1.823(−6) | 1.873±0.655(−6) | 2.801±0.423(−6) | 8.722±3.592(−6) | |||||
| O0(adopted) | 7.360±1.615(−6) | 7.753±2.622(−6) | 1.598±0.832(−6) | 2.745±0.589(−6) | 8.878±5.159(−6) | |||||
| [O II]3727 | 2.064±0.325(−5) | 1.922±0.415(−5) | 1.512±0.446(−5) | 1.154±0.200(−5) | 0.778±0.225(−5) | |||||
| [O II]7320 | 2.025±0.361(−5) | 1.529±0.397(−5) | 1.254±0.473(−5) | 1.217±0.208(−5) | ⋯ | |||||
| [O II]7330 | 2.320±0.413(−5) | 1.777±0.466(−5) | 1.492±0.551(−5) | 1.547±0.268(−5) | 2.366±0.868(−5) | |||||
| O+(adopted) | 2.116±0.637(−5) | 1.28 | 1.733±0.740(−5) | 2.23 | 1.417±0.852(−5) | 0.63 | 1.266±0.393(−5) | 1.74 | 2.366±0.868(−5) | 0.63 |
| [O III]4363 | 3.326±0.576(−4) | 2.672±0.632(−4) | 3.954±1.247(−4) | 2.716±0.469(−4) | 3.928±1.205(−4) | |||||
| [O III]4959 | 3.298±0.410(−4) | 2.629±0.597(−4) | 4.004±1.357(−4) | 2.708±0.356(−4) | 3.805±1.263(−4) | |||||
| [O III]5007 | 3.296±0.405(−4) | 2.618±0.588(−4) | 3.948±1.342(−4) | 2.722±0.357(−4) | 3.878±1.260(−4) | |||||
| O2+(adopted) | 3.303±0.815(−4) | 1.05 | 2.638±1.049(−4) | 1.20 | 3.968±2.280(−4) | 1.29 | 2.715±0.688(−4) | 1.10 | 3.872±2.153(−4) | 1.17 |
| [Ne III]3868 | 6.843±0.868(−5) | 6.891±1.385(−5) | 0.967±0.273(−4) | 6.223±0.795(−5) | 8.376±2.335(−5) | |||||
| [Ne III]3967 | 6.938±0.977(−5) | 7.092±1.630(−5) | 1.269±0.421(−4) | 6.190±0.923(−5) | 7.969±2.705(−5) | |||||
| Ne2+(adopted) | 6.885±1.308(−5) | 1.02 | 6.975±2.139(−5) | 0.96 | 1.057±0.502(−4) | 0.88 | 6.209±1.218(−5) | 1.02 | 8.202±3.574(−5) | 0.98 |
| [Ar III]7136 | 1.231±0.132(−6) | 4.932±1.010(−7) | 7.022±2.328(−7) | 4.079±0.475(−7) | 7.454±2.496(−7) | |||||
| [Ar III]7751 | 0.954±0.102(−6) | 4.241±0.890(−7) | 5.269±1.717(−7) | 3.221±0.381(−7) | 6.064±1.920(−7) | |||||
| Ar2+(adopted) | 1.057±0.167(−6) | 1.24 | 4.543±1.346(−7) | 1.58 | 5.887±2.892(−7) | 2.04 | 3.557±0.610(−7) | 1.34 | 6.581±3.149(−7) | 1.64 |
| [Ar IV]4711 | 1.139±0.141(−6) | 6.364±1.318(−7) | 0.819±0.259(−6) | 3.970±0.627(−7) | 7.553±2.353(−7) | |||||
| [Ar IV]4740 | 1.253±0.149(−6) | 7.174±1.356(−7) | 1.003±0.278(−6) | 5.007±0.610(−7) | 9.099±2.519(−7) | |||||
| Ar3+(adopted) | 1.193±0.205(−6) | 1.04 | 6.758±1.891(−7) | 1.14 | 0.905±0.380(−6) | 1.21 | 4.503±0.875(−7) | 1.13 | 8.273±3.447(−7) | 1.15 |
| [Ar V]7005 | 1.258±0.152(−7) | 4.875±1.115(−8) | ⋯ | ⋯ | ⋯ | |||||
| Ar4+(adopted) | 1.258±0.152(−7) | 1.07 | 4.875±1.115(−8) | 1.47 | ⋯ | ⋯ | ⋯ | |||
| [N I]5198 | ⋯ | ⋯ | ⋯ | ⋯ | 4.409±2.318(−6) | |||||
| N0(adopted) | ⋯ | ⋯ | ⋯ | ⋯ | 4.409±2.318(−6) | |||||
| [N II]5755 | 1.499±0.287(−5) | 6.370±1.671(−6) | 2.439±0.917(−6) | 1.878±0.368(−6) | 1.420±0.651(−5) | |||||
| [N II]6548 | 1.502±0.190(−5) | 6.565±1.404(−6) | 2.665±0.890(−6) | 1.908±0.245(−6) | 1.397±0.515(−5) | |||||
| [N II]6583 | 1.489±0.185(−5) | 6.447±1.379(−6) | 2.454±0.822(−6) | 1.881±0.242(−6) | 1.381±0.522(−5) | |||||
| N+(adopted) | 1.496±0.391(−5) | 1.06 | 6.470±2.582(−6) | 1.38 | 2.517±1.520(−6) | 1.63 | 1.891±0.504(−6) | 1.36 | 1.396±0.981(−5) | 1.20 |
| [S II]4069 | 1.676±0.220(−7) | 1.660±0.327(−7) | 11.030±3.083(−8) | 6.943±0.854(−8) | ⋯ | |||||
| [S II]4076 | ⋯ | ⋯ | 66.702±19.455(−8) | ⋯ | ⋯ | |||||
| [S II]6716 | 4.107±0.809(−7) | 1.804±0.455(−7) | 7.198±2.648(−8) | 5.674±0.998(−8) | 4.394±2.122(−7) | |||||
| [S II]6730 | 4.605±0.629(−7) | 2.012±0.454(−7) | 8.048±2.793(−8) | 6.386±0.842(−8) | 4.947±2.177(−7) | |||||
| S+(adopted) | 4.418±1.025(−7) | 1.20 | 1.908±0.643(−7) | 1.58 | 7.600±3.849(−8) | 1.92 | 6.090±1.306(−8) | 1.52 | 4.664±3.040(−7) | 1.19 |
| [S III]6312 | 4.161±0.575(−6) | 1.223±0.291(−6) | 2.161±0.764(−6) | 2.047±0.298(−6) | 3.263±1.118(−6) | |||||
| S2+(adopted) | 4.161±0.575(−6) | 1.08 | 1.223±0.291(−6) | 1.47 | 2.161±0.764(−6) | 1.72 | 2.047±0.298(−6) | 1.16 | 3.263±1.118(−6) | 1.42 |
| [Cl III]5518 | 4.619±0.633(−8) | ⋯ | 2.763±1.015(−8) | ⋯ | ⋯ | |||||
| [Cl III]5538 | 9.073±1.108(−8) | ⋯ | 4.145±1.461(−8) | ⋯ | ⋯ | |||||
| Cl2+(adopted) | 9.073±1.108(−8) | 0.90 | ⋯ | 3.213±1.780(−8) | 1.91 | ⋯ | ⋯ | |||
Notes. The adopted notation of the abundance (Xi+/H+), α ± β(−γ), means (a ± b) × 10−γ.
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