Open Access
Table 1
Total line counts.
| Regiona | H2b | H II | He I | Otherc | Total |
|---|---|---|---|---|---|
| NGC 7023 | |||||
| ATM | 217(25) | 8 | 10 | 32 | 267 |
| DF1 | 256(31) | 9 | 16 | 48 | 329 |
| DF2 | 215(30) | 6 | 13 | 41 | 275 |
| MOL | 149(27) | 8 | 12 | 35 | 204 |
| DF3 | 235(31) | 7 | 14 | 37 | 293 |
| Horsehead | |||||
| H II | 4(4) | 14 | 1 | 5 | 24 |
| DF1 | 211(26) | 21 | 16 | 47 | 295 |
| MO1 | 215(20) | 19 | 14 | 64 | 312 |
| DF2 | 244(28) | 19 | 22 | 64 | 360 |
| MO2 | 157(12) | 11 | 13 | 37 | 218 |
Notes. aSee Fig. 1 for physical location of region. bThe number in parentheses indicates the number of pure rotational H2 lines included in the count. cAtomic, ionized and some molecular species (e.g., CH+, CO)
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