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Table 1
Hβ values predicted by infrared hydrogen line and consequent values of Cir.
| Nebula | Vel. | I(7.46) | I(12.37) | T e | −log Hβ | −log Hβ | Predicted | Measured | |
| PNG | km s-1 | 10-14 | 10-14 | K | H(6-5) | H(7-6) | −log Hβ | −log Hβ | C ir |
|
|
|||||||||
| 000.0-6.8 | –84 | 18.8 | 11.9 | 6.000 | 11.29: | 11.01 | 11.05 | 11.99 | 0.94 |
| 000.7+3.2 | –175 | 13.5 | 5.35 | 8.500 | 11.34 | 11.25 | 11.27 | 13.42 | 2.15 |
| 000.7+4.7 | +40 | 36.2 | 14.2 | 8.000 | 10.89 | 10.80 | 10.82 | 13.94 | 3.12 |
| 001.2+2.1 | –172 | 22.2 | 10.5 | 9.300 | 11.08 | 10.88 | 10.93 | 13.73 | 2.80 |
| 001.4+5.3 | +42 | 19.4 | 6.70 | 8.300 | 11.19 | 11.18 | 11.18 | 12.71 | 1.53 |
| 002.4-3.7 | –83 | 45: | 15.5 | 7.000 | 10.87 | 10.85 | 10.86 | 11.98 | 1.12 |
| 002.6-3.4 | +202 | 17.0 | 6.000 | 10.85 | 10.85 | 12.07 | 1.22 | ||
| 002.8+1.7 | +164 | 31.2 | 11.2 | 7.000 | 11.01 | 10.94 | 10.96 | 13.48 | 2.52 |
| 006.0-3.6 | +136 | 61.7 | 17.1 | 9.600 | 10.67 | 10.75 | 10.73 | 12.19 | 1.46 |
| 008.2+6.8 | +21.7 | 23.1 | 8.45 | 11.000 | 11.10 | 11.05 | 11.07 | 12.13 | 1.06 |
| 351.2+5.2 | –128 | 28.0 | 8.10 | 6.000 | 11.11 | 11.17 | 11.15 | 12.12 | 0.97 |
| 354.2+4.3 | –75 | 19.7 | 7.58 | 6.750 | 11.23 | 11.16 | 11.18 | 12.62 | 1.44 |
| 356.5-2.3 | –16.5 | 128.6 | 48.5 | 6.000 | 10.43 | 10.37 | 10.39 | 12.23 | 1.84 |
| 357.1-4.7 | +76 | 13.9: | 9.5 | 6.200 | 11.40: | 11.09 | 11.13 | 12.52 | 1.39 |
| 358.9+3.2 | +190 | 38.8 | 11.9 | 8.500 | 10.88 | 10.90 | 10.90 | 13.03 | 2.13 |
| 359.3-1.8 | –89 | 37.4 | 30.9 | 7.000 | 10.89: | 10.46 | 10.52 | 13.95 | 3.43 |
Notes. Units of line intensity are always erg cm-2 s-1.
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