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Table 1
Summary of observations.
| Source | Setting | Species | Transition | Frequency | Date | Int. Time a | r h b | Δ c | Ants.d | Baselinese |
| (GHz) | (min) | (AU) | (AU) | (m) | ||||||
|
|
||||||||||
| C/2012 F6(Lemmon) | I | HCN | 4–3 | 354.50547 | 2013 May 31–2013 Jun. 1 | 41.4 | 1.446 | 1.745 | 32 | 15–1284 |
| H2CO | 51,5–41,4 | 351.76864 | ||||||||
| CH3OH | 72,5–62,4 | 338.72169 | ||||||||
| 71,6–61,5 | 341.41564 | |||||||||
|
|
||||||||||
| II | HNC | 4–3 | 362.63030 | 2013 May 30–2013 Jun. 2 | 44.4 | 1.475 | 1.748 | 34 | 15–2733 | |
| CH3OH | 11,1–00,0 | 350.90507 | ||||||||
|
|
||||||||||
| SV | HCN | 3–2 | 265.88640 | 2013 May 11 | 15.8 | 1.165 | 1.705 | 20 | 15–1175 | |
| HCO+ | 3–2 | 267.55753 | ||||||||
| CH3OH | 52,3-41,3 | 266.83812 | ||||||||
|
|
||||||||||
| C/2012 S1(ISON) | I | CS | 7–6 | 342.88286 | 2013 Nov. 16–2013 Nov. 17 | 68.5 | 0.589 | 0.887 | 29 | 17–1284 |
| HCN | 4–3 | 354.50547 | ||||||||
| HCO+ | 4–3 | 356.73424 | ||||||||
|
|
||||||||||
| II | HNC | 4–3 | 362.63030 | 2013 Nov. 16–2013 Nov. 17 | 91.7 | 0.557 | 0.875 | 29 | 12–1284 | |
| H2CO | 51,5–41,4 | 351.76864 | ||||||||
| CH3OH | 11,1–00,0 | 350.90507 | ||||||||
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