Table 2
Measurements of the strongest stellar emission lines used to classify our sample of [WC] and wels CSPN.
| Name | PN G | Sp. Type | Equivalent width [Å] | FWHM [Å] | I(4650) | I(4686) | ||||
| 4650 | 5696 (C iii) | 5806 (C iv) | 4650 | 5696 (C iii) | 5806 (C iv) | [I(5806) = 100] | [Hβ = 100] | |||
|
|
||||||||||
| IC 4634 | 000.3+12.2 | wels | 6 C | – | 3 | 22 | – | 23(d) | 340 | 0.4 |
| NGC 6790 | 037.8−06.3 | wels | 23 N | – | 2 | 18 | – | 19(d) | > 1000 | 5.0 |
| Y-C 2-5 | 240.3+07.0 | wels | 2 N | – | 3 | 19 | – | 21(d) | 80 | 55.0 |
| M 4-2 | 248.8−08.5 | wels | 29 N | – | 7: | 30 | – | 18: | 550 | 85.0 |
| M 3-6 | 253.9+05.7 | wels | 5 N | – | 7 | 25 | – | 20 | 206 | 3.6 |
| IC 2501 | 281.0−05.6 | wels | 10 N | – | 8 | 22 | – | 23 | 180 | – |
| IC 2621 | 291.6−04.8 | wels | 93 N | – | 5 | 15 | – | 18 | > 1000 | 39.0 |
| He 2-97 | 307.2−09.0 | wels | 15 C | – | 8 | 22 | – | 19 | 290 | 2.0 |
| NGC 5307 | 312.3+10.5 | wels | 4 N | – | 2 | 16 | – | 16 | 570 | 43.0 |
| NGC 5979 | 322.5−05.2 | wels | 17 N | – | 5: | 20 | – | 18: | 590 | 107.0 |
| PC 17 | 343.5−07.8 | wels | 6 N | – | + | 22 | – | + | – | 2.0 |
| IC 4699 | 348.0−13.8 | wels | 8 N | – | 2: | 23 | – | 12: | 450 | 25.0 |
| NGC 6337 | 349.3−01.1 | wels | 9: N | – | 5 | 50: | – | 19 | 210 | – |
| M 1-53 | 015.4−04.5 | wels? | + N | – | + | + | – | + | – | 3.6 |
| PB 2 | 263.0−05.5 | wels? | 11 N | – | – | 16 | – | – | – | 12.5 |
| PB 4 | 275.0−04.1 | wels? | 50 N | – | – | 17 | – | – | – | 24.4 |
| IC 2553 | 285.4−05.3 | wels? | 64 N | – | ? | 14 | – | ? | – | 34.5 |
| He 2-128 | 325.8+04.5 | wels? | 7 C | – | – | 21 | – | – | – | 0.6 |
| Cn 1-3 | 345.0−04.9 | wels? | 8 C | – | – | 23 | – | – | – | < 0.1 |
| IC 4663 | 346.2−08.2 | wels? | 48 N | – | ? | 17 | – | ? | – | 98.6 |
| H 1-35 | 355.7−03.5 | wels? | 10 C | – | ? | 14 | – | ? | – | < 0.1 |
| H 1-62 | 000.0−06.8 | [WC10-11] | 6 N | 3 | + | 25 | 10 | + | > 1000 | – |
| M 1-6 | 211.2−03.5 | [WC10-11]? | 4 C | 4: | – | 12 | 29: | – | – | – |
| M 1-11 | 232.8−04.7 | [WC10-11] | 5 N | 4 | – | 29 | 10 | – | – | – |
| M 1-12 | 235.3−03.9 | [WC10-11] | 4: C | 3 | – | 35: | 9 | – | – | – |
| He 2-47 | 285.6−02.7 | [WC10-11] | 11 C | 5 | – | 28 | 16 | – | – | 1.1 |
| He 2-107 | 312.6−01.8 | [WC10-11] | 13 N | 2 | – | 24 | 13 | – | – | 5.1 |
| PHR1416-5809 | 313.9+02.8 | [WC9] | 160 C | 238 | 82 | 16 | 20 | 25 | > 160 | – |
Notes. The emission line at 4650 Å is due to C and N. We use the same notation as in TA93 to indicate the dominant ion (fourth column). Also the “+” means that the emission is visible, but its measurement is uncertain; (d) means that it is possible to distinguish two components, i.e. C iv 5801 and 5812 Å.
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