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Table A.1.

Extinction-Corrected Line Fluxes and Original-to-Revised Ratios for the Brightest Four PNe in M 31

Line M1687 Ratio M2068 Ratio M2538 Ratio M50 Ratio
[O II] 3727 21.0 ± 2.3 0.97 50.2 ± 9.4 0.83 66.2 ± 12.1 0.77 53.4 ± 7.2 0.94
H10 3798 ⋯ ⋯ ⋯ ⋯ 4.4 ± 0.8 0.77 5.8 ± 0.8 0.94
H9 3835 ⋯ ⋯ 6.1 ± 1.1 0.85 8.9 ± 1.6 0.78 5.8 ± 0.8 0.94
[Ne III] 3868 172.7 ± 18.6 0.97 162.0 ± 30.5 0.85 119.3 ± 21.8 0.79 126.3 ± 16.9 0.94
H8 3889a 0.1 ± 1.6 ⋯ 2.6 ± 2.8 ⋯ 5.7 ± 2.8 ⋯ 2.4 ± 2.0 ⋯
[Ne III] 3967b 50.7 ± 6.7 0.97 49.8 ± 11.3 0.81 25.3 ± 6.4 0.66 33.9 ± 5.9 0.92
He I 4026 6.1 ± 0.7 0.97 2.8 ± 0.5 0.87 3.8 ± 0.7 0.81 2.5 ± 0.3 0.95
[S II] 4069 0.0 ± 0.0 ⋯ 4.3 ± 0.8 0.88 ⋯ ⋯ 3.9 ± 0.5 0.96
[S II] 4076 0.0 ± 0.0 ⋯ 2.9 ± 0.5 0.88 ⋯ ⋯ 1.1 ± 0.2 0.96
H6 4101c 29.3 ± 3.1 0.98 30.2 ± 5.7 0.88 30.1 ± 5.5 0.83 27.1 ± 3.6 0.95
H5 4340d 48.5 ± 5.2 0.99 50.0 ± 9.4 0.92 50.7 ± 9.3 0.88 46.2 ± 6.2 0.97
[O III] 4363 27.0 ± 2.9 0.99 15.3 ± 2.9 0.92 19.1 ± 3.5 0.88 17.7 ± 2.4 0.98
He I 4472 6.0 ± 0.6 0.99 6.0 ± 1.1 0.94 4.7 ± 0.9 0.91 5.1 ± 0.7 0.98
He II 4686 2.9 ± 0.3 1.00 3.9 ± 0.7 0.97 12.5 ± 2.3 0.96 14.6 ± 1.9 0.99
[Ar IV] 4711e 1.9 ± 0.3 0.99 1.5 ± 0.4 0.91 2.7 ± 0.6 0.93 2.4 ± 0.4 0.98
[Ar IV] 4740 5.3 ± 0.6 1.00 4.1 ± 0.8 0.98 3.4 ± 0.6 0.97 4.4 ± 0.6 0.99
Hβ 4861f 100.0 ± 10.5 1.00 100.0 ± 18.8 1.00 100.0 ± 18.1 1.00 100.0 ± 13.1 1.00
He I 4922 0.9 ± 0.1 1.01 1.4 ± 0.3 1.01 1.0 ± 0.2 1.02 0.7 ± 0.1 1.01
[O III] 4959 599.5 ± 76.7 1.00 506.0 ± 116.2 1.02 461.1 ± 101.9 1.03 543.0 ± 86.9 1.01
[O III] 5007 1774.9 ± 227.0 1.01 1492.0 ± 342.5 1.03 1360.8 ± 300.6 1.04 1606.6 ± 256.9 1.02
[N I] 5198 ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ 0.5 ± 0.1 1.01
He II 5411 ⋯ ⋯ ⋯ ⋯ 1.4 ± 0.3 1.12 1.4 ± 0.2 1.03
[Cl III] 5518 ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ 0.4 ± 0.1 1.04
[Cl III] 5538 ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ 0.8 ± 0.1 1.03
[N II] 5755 2.0 ± 0.3 1.02 2.3 ± 0.5 1.11 1.0 ± 0.2 1.18 2.1 ± 0.3 1.04
He I 5876 16.9 ± 2.1 1.02 15.7 ± 3.6 1.12 13.0 ± 2.9 1.19 15.6 ± 2.5 1.04
[O I] 6300 7.5 ± 0.9 1.03 6.3 ± 1.4 1.16 5.0 ± 1.1 1.25 9.1 ± 1.4 1.06
[S III] 6312g 2.1 ± 0.3 1.03 1.7 ± 0.4 1.17 1.7 ± 0.4 1.26 1.6 ± 0.3 1.07
[O I] 6363 2.7 ± 0.3 1.03 2.0 ± 0.5 1.16 2.0 ± 0.4 1.26 2.9 ± 0.5 1.06
[N II] 6548 10.7 ± 1.3 1.04 21.9 ± 5.0 1.18 12.5 ± 2.7 1.29 23.3 ± 3.7 1.07
Hα 6563h 277.3 ± 34.6 1.03 241.7 ± 54.7 1.18 216.3 ± 47.2 1.29 268.1 ± 42.1 1.07
[N II] 6583 27.0 ± 3.4 1.03 63.5 ± 14.4 1.18 36.3 ± 7.9 1.29 67.2 ± 10.5 1.07
He I 6678i 3.6 ± 0.5 1.03 3.7 ± 0.8 1.20 2.9 ± 0.6 1.31 3.4 ± 0.5 1.07
[S II] 6716 1.3 ± 0.2 1.03 1.6 ± 0.4 1.20 2.0 ± 0.4 1.31 2.4 ± 0.4 1.07
[S II] 6730 2.3 ± 0.3 1.03 3.2 ± 0.7 1.20 3.4 ± 0.7 1.31 4.5 ± 0.7 1.07
[Ar V] 7005 ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯ ⋯
He I 7065 11.0 ± 1.4 1.04 8.0 ± 1.8 1.23 6.7 ± 1.5 1.36 8.7 ± 1.4 1.08
[Ar III] 7136 9.4 ± 1.2 1.05 13.1 ± 2.9 1.23 7.6 ± 1.6 1.36 13.8 ± 2.1 1.08
He I 7281 0.8 ± 0.1 1.05 0.5 ± 0.1 1.25 1.1 ± 0.2 1.40 0.7 ± 0.1 1.09
[O II] 7320 6.6 ± 0.8 1.04 3.5 ± 0.8 1.25 2.9 ± 0.6 1.40 5.8 ± 0.9 1.09
[O II] 7330 6.5 ± 0.8 1.04 3.4 ± 0.8 1.25 3.0 ± 0.6 1.40 5.2 ± 0.8 1.09
[Ar III] 7751 1.8 ± 0.2 1.05 1.9 ± 0.4 1.29 1.3 ± 0.3 1.47 2.5 ± 0.4 1.10

Notes. Contaminating He I and He II lines scaled from He I 5876 and He II 4686, respectively.

a

()Blend with He I 3889.

b

()Blend with H7 3970 and He I 3965.

c

()Blend with He II 4100.

d

()Blend with He II 4338.

e

()Blend with He I 4713.

f

()Blend with He II 4859.

g

()Blend with He II 6310.

h

()Blend with He II 6560.

i

()Blend with He II 6683.

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