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Table 4

Electron temperatures (in K) computed from different ions.

Nebula T e T e T e T e T e T e
PNG [N ii] [S iii] [Ar iii] [O iii] [Ne iii] Ave.

000.0-6.8 6200 6000 5800 6000
000.7+3.2 8200 8300 8700 13500 7600 8500*
000.7+4.7 8500 8000 8000 10300 8000*
001.2+2.1 9500 9300 8000 9000
001.4+5.3 8500 7200 8300 8500
001.7-4.6 9000 10000 7800 8400 8500
002.4-3.7 7000 6700 7000 7000
002.6-3.4 5800 6300 6000
002.8+1.7 6000 6500 7000
004.9-4.9 6400 6300 6300
006.0-3.6 8200 10 200 9800 9700 9500 9600
008.2+6.8 11200 10 900 11 000
351.2+5.3 6000 6000 6000
354.2+4.3 7000 6700 6500 6300 6900
356.5-2.3 6500 7500 6500 6700
357.1-4.7 6000 6000
358.9+3.2 9000 8000 8000 7300 8500
358.9-3.7 6200 5900 6000
359.3-1.8 6000 8000: 6000

Notes.

(*)

This value of temperature is used for the lower ionization ions. For [O iii] and higher ionization potentials a value of 10 500 is used.

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