Table 2
Spectral-line results for carbon monoxide and water vapour.
| Species and | Rotational | Eupp/k† | Rest freq. | Setting & | rms‡ | Peak | Area | Veloc. range | |
| elec./vibr. state | quantum nums. | (K) | (GHz) | sideband | (mK) | (mK) | (K km s-1) | LSR (km s-1) | Comments |
|
|
|||||||||
| 12CO v = 0 | J = 6–5 | 116 | 691.473 | 17 USB | 13.4 (1.08) | 1085 | 57.6 | [–50; +120] | |
| J = 10–9 | 304 | 1151.985 | 06 LSB | 59.5 (1.04) | 1554 | 80.6 | [–60; +100] | ||
| J = 16–15 | 752 | 1841.346 | 16 USB | 55.5 (0.98) | 1352 | 52.8 | [–30; +80] | ||
| v = 1 | J = 5–4 | 3166 | 571.021 | 14 USB | 6.6 (1.05) | ≲20 | ≲0.15 | ||
| J = 15–14 | 3741 | 1710.861 | 04 LSB | 66.5 (1.05) | ≲200 | ≲7.00 | |||
| 13CO v = 0 | J = 6–5 | 111 | 661.067 | 12 USB | 7.8 (0.91) | 85 | 5.02 | [–45; +80] | |
| J = 9–8 | 238 | 991.329 | 09 LSB | 30.5 (1.06) | 131 | 6.49 | g-fitted | ||
| J = 10–9 | 291 | 1101.350 | 07 LSB | 22.0 (1.09) | 173 | 7.20 | g-fitted | ||
| J = 16–15 | 719 | 1760.486 | 03 USB | 78.3 (1.02) | 350 | 5.19 | [–10; +50] | ||
| C18O v = 0 | J = 6–5 | 111 | 658.553 | 12 USB | 7.8 (0.91) | ≲23 | ≲0.50 | ||
| ortho-H2O v = 0 | JKa,Kc = 11,0–10,1 | 27 | 556.936 | 14 LSB | 6.6 (1.08) | 1169 | 49.3 | [–55; +88] | |
| JKa,Kc = 30,3–21,2 | 163 | 1716.770 | 04 USB | 64.5 (1.05) | 4685 | 193.8 | [–30; +80] | ||
| JKa,Kc = 31,2–30,3 | 215 | 1097.365 | 08 LSB | 23.1 (1.10) | 1904 | 85.0 | [–60; +115] | ||
| JKa,Kc = 31,2–22,1 | 215 | 1153.127 | 06 LSB | 59.5 (1.04) | 2993 | 141.7 | [–65; +85] | ||
| JKa,Kc = 32,1–31,2 | 271 | 1162.912 | 06 USB | 59.5 (1.03) | 2140 | 96.8 | [–50; +87] | ||
| JKa,Kc = 53,2–44,1 | 698 | 620.701 | 13 USB | 5.4 (0.97) | 1716 | 39.5 | [–55; +120] | maser | |
| JKa,Kc = 53,2–52,3 | 698 | 1867.749 | 01 USB | 90.9 (0.96) | 1802 | 60.2 | g-fitted | ||
| v2 = 1 | JKa,Kc = 11,0–10,1 | 2326 | 658.004 | 12 USB | 7.8 (0.91) | 5654 | 66.9 | [–30; +80] | maser |
| JKa,Kc = 21,2–10,1 | 2379 | 1753.914 | 03 USB | 78.3 (1.02) | 1007 | 34.8 | g-fitted | ||
| JKa,Kc = 82,7–83,4 | 3556 | 968.049 | 10 LSB | 19.8 (1.08) | 46 | 0.80 | g-fitted | ||
| v1,2 = 1,1 | JKa,Kc = 31,2–30,3 | 7749 | 1194.829 | 05 LSB | 88.8 (1.01) | 366 | 2.12 | [–10:+50] | maser ? |
| para-H2O v = 0 | JKa,Kc = 11,1–00,0 | 53 | 1113.343 | 07 USB | 22.0 (1.08) | 3141 | 136.5 | [–50; +100] | |
| JKa,Kc = 20,2–11,1 | 101 | 987.923 | 09 LSB | 33.1 (1.06) | 3368 | 139.4 | [–30; +75] | ||
| JKa,Kc = 21,1–20,2 | 137 | 752.033 | 11 LSB | 13.6 (1.00) | 1637 | 79.4 | [–50; +115] | ||
| JKa,Kc = 42,2–41,3 | 454 | 1207.639 | 05 USB | 88.8 (0.99) | 1299 | 66.7 | [–60; +100] | ||
| JKa,Kc = 52,4–43,1 | 599 | 970.315 | 10 LSB | 19.8 (1.08) | 3188 | 72.3 | [–30; +95] | maser | |
| JKa,Kc = 63,3–62,4 | 952 | 1762.043 | 03 USB | 78.3 (1.02) | 1011 | 33.8 | g-fitted | ||
| v2 = 1 | JKa,Kc = 11,1–00,0 | 2352 | 1205.788 | 05 USB | 88.8 (0.99) | 244 | 7.36 | g-fitted | |
| v2 = 2 | JKa,Kc = 21,1–20,2 | 4684 | 1000.853 | 09 USB | 33.1 (1.05) | 114 | 3.32 | g-fitted | |
| v1 = 1 | JKa,Kc = 32,2–31,3 | 5552 | 1868.783 | 01 USB | 90.9 (0.96) | 217 | 2.01 | g-fitted | tent. detec. |
| v3 = 1 | JKa,Kc = 63,3–62,4 | 6342 | 1718.694 | 04 USB | 64.5 (1.05) | 169 | 4.79 | g-fitted | tent. detec. |
ortho-H O
v = 0 |
JKa,Kc = 31,2–30,3 | 215 | 1095.627 | 08 LSB | 23.1 (1.10) | 229 | 5.68 | [–10; +100] | |
| para-HO
v = 0 |
JKa,Kc = 11,1–00,0 | 53 | 1101.698 | 07 LSB | 22.0 (1.09) | 161 | 3.53 | g-fitted | |
ortho-H O
v = 0 |
JKa,Kc = 30,3–21,2 | 162 | 1718.119 | 04 USB | 64.5 (1.05) | 350 | 9.59 | g-fitted | |
| JKa,Kc = 31,2–30,3 | 215 | 1096.414 | 08 LSB | 23.1 (1.10) | 281 | 7.59 | [+0; +60] | ||
| para-HO
v = 0 |
JKa,Kc = 11,1–00,0 | 53 | 1107.167 | 08 USB | 23.1 (1.08) | 169 | 4.16 | [–20; +60] | |
| JKa,Kc = 20,2–11,1 | 101 | 991.520 | 09 LSB | 33.1 (1.06) | 72 | 2.72 | g-fitted | tent. detec. | |
| HDO v = 0 | JKa,Kc = 31,2–30,3 | 168 | 753.411 | 11 LSB | 13.6 (1.00) | ≲40 | ≲1.00 | ||
Notes.
Since the ortho and para spin isomer variants of water behave as different chemical species, for all ortho-water isotopomers the level excitation energies are relative to their lowest (ortho) energy level, the JKa,Kc = 10,1, while for the para species they are given w.r.t. the JKa,Kc = 00,0 level.
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