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Table 2
Average line intensities and production rates of ethylene glycol, formamide, acetaldehyde, and formic acid.
| Molecule | Freq. | Linesa | C/2012 F6 (Lemmon) | C/2013 R1 (Lovejoy) | |||||||
| range | 6–8 Apr. | 8–12 Nov. | 27–31 Nov. | 9–16 Dec. | |||||||
| I b | Q | I b | Q | I b | Q | I b | Q | ||||
| (GHz) | (mK km s-1) | (1026 s-1) | (mK km s-1) | (1026s-1) | (mK km s-1) | (1026 s-1) | (mK km s-1) | (1026 s-1) | |||
|
|
|||||||||||
| (CH2OH)2 | 213–241 | 7(6c) | – | – | > 42 | > 5.3 | 18 ± 6 | 2.5 ± 0.8 | 18 ± 4 | 3.8 ± 0.8 | |
| (CH2OH)2 | 241–270 | 9 | 39 ± 5 | 22 ± 3 | – | – | – | – | – | – | |
| (CH2OH)2 | 245–268 | 6 | – | – | > 21 | > 3.9 | 23 ± 4 | 4.0 ± 0.7 | 13 ± 4 | 3.0 ± 0.9 | |
| NH2CHO | 223–240 | 5 | – | – | > 32 | > 6.4 | 38 ± 12 | 3.2 ± 1.0 | 17 ± 5 | 3.1 ± 0.9 | |
| NH2CHO | 243–261 | 5 | 24 ± 7 | 15 ± 4 | 34 ± 8 | 2.2 ± 0.5 | 21 ± 4 | 1.7 ± 0.3 | 16 ± 5 | 2.4 ± 0.7 | |
| NH2CHO | 263–267 | 2 | > 54 | > 28 | > 42 | > 2.6 | 22 ± 8 | 1.7 ± 0.6 | > 24 | > 3.4 | |
| CH3CHO | 242–271 | 26 | 9 ± 4 | > 7 | – | – | – | – | – | – | |
| CH3CHO | 211–268 | 45(39c) | – | – | > 9 | > 0.7 | 9 ± 2 | 0.8 ± 0.2 | 7 ± 2 | 1.1 ± 0.3 | |
| HCOOH | 241–268 | 6 | > 24 | > 6.0 | – | – | – | – | – | – | |
| HCOOH | 215–271 | 20(16c) | – | – | 12 ± 5 | > 0.6 | 25 ± 3 | 1.3 ± 0.2 | 10 ± 2 | 1.0 ± 0.2 | |
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