Open Access
Table A.3
Line intensities from IRAM observations.
| Date | Molecule | Transition | Frequency(a) | Beam | Offset(b) | Intensity | Doppler shift |
|---|---|---|---|---|---|---|---|
| (yyyy/mm/dd.dd) | (MHz) | (′′) | (′′) | (K km s−1) | (km s−1) | ||
| 21P/Giacobini-Zinner | |||||||
| 1998/11/11.71 | HCN | 3–2 | 265 886.434 | 9.2 | 3.0 | 0.466 ± 0.047 | −0.13 ± 0.06 |
| HCN | 1–0 | 88 631.848 | 26.4 | 0.035 ± 0.011 | −0.10 ± 0.14 | ||
| 1998/11/12.71 | HCN | 3–2 | 265 886.434 | 9.2 | 3.5 | 0.331 ± 0.048 | −0.01 ± 0.08 |
| HCN | 1–0 | 88 631.848 | 26.4 | 0.046 ± 0.012 | −0.15 ± 0.17 | ||
| 1998/11/13.71 | HCN | 3–2 | 265 886.434 | 9.2 | 2.5 | 0.567 ± 0.072 | −0.14 ± 0.07 |
| HCN | 1–0 | 88 631.848 | 26.4 | 0.051 ± 0.015 | + 0.23 ± 0.18 | ||
| 1998/11/14.68 | HCN | 3–2 | 265 886.434 | 9.2 | 3.5 | 0.414 ± 0.082 | −0.07 ± 0.11 |
| HCN | 1–0 | 88 631.848 | 26.4 | 0.048 ± 0.009 | −0.05 ± 0.14 | ||
| 1998/11/15.68 | HCN | 1–0 | 88 631.848 | 26.4 | 3.0 | 0.070 ± 0.010 | −0.04 ± 0.09 |
| H2CO | 312 − 211 | 225 697.772 | 10.6 | 2.0 | <0.063 | ||
| CH3OH | 30 − 20E | 145 093.707 | 16.2 | 0.014 ± 0.014 | |||
| 3−1 − 2−1E | 145 097.370 | 0.010 ± 0.014 | |||||
| 30 − 20A | 145 103.152 | 0.038 ± 0.014 | + 0.37 ± 0.27 | ||||
| 3± 2 − 2± 2E | 145 126.290 | 0.020 ± 0.016 | |||||
| 1998/11/13.2 | H2S | 110 − 101 | 168 762.762 | 14.0 | 3.0 | 0.004 ± 0.015 | |
| 2018/09/14.41 | HCN | 1–0 | 88 631.848 | 27.5 | 3.4 | 0.230 ± 0.042 | + 0.14 ± 0.15 |
| 7.1 | 0.102 ± 0.021 | + 0.31 ± 0.19 | |||||
| 2018/09/15.24 | HCN | 1–0 | 88 631.848 | 3.3 | 0.133 ± 0.011 | + 0.07 ± 0.06 | |
| 6.7 | 0.119 ± 0.041 | + 0.01 ± 0.25 | |||||
| 2018/09/16.44 | HCN | 1–0 | 88 631.848 | 3.9 | 0.091 ± 0.026 | + 0.00 ± 0.20 | |
| 2018/09/17.20 | HCN | 1–0 | 88 631.848 | 3.3 | 0.124 ± 0.011 | −0.06 ± 0.07 | |
| 2018/09/17.29 | 5.4 | 0.111 ± 0.015 | −0.11 ± 0.10 | ||||
| 2018/09/18.20 | HCN | 1–0 | 88 631.848 | 3.5 | 0.128 ± 0.008 | −0.00 ± 0.05 | |
| 2018/09/18.29 | 4.4 | 0.088 ± 0.019 | + 0.11 ± 0.16 | ||||
| 2018/09/15.11 | HCN | 3–2 | 265 886.434 | 9.4 | 5.0 | 0.887 ± 0.475 | + 0.10 ± 0.31 |
| 2018/09/17.1 | HNC | 1–0 | 90 663.568 | 26.9 | 3.4 | 0.007 ± 0.004 | |
| 2018/09/16.2 | CH3CN | 8.0–7.0 | 147 174.588 | 16.8 | 2.9 | 0.025 ± 0.009 | |
| 8.1–7.1 | 147 171.752 | 0.027 ± 0.008 | −0.14 ± 0.13(c) | ||||
| 8.2–7.2 | 147 163.244 | 0.014 ± 0.008 | |||||
| 8.3–7.3 | 147 149.068 | 0.013 ± 0.009 | |||||
| 2018/09/17.3 | CH3CN | 9–8 (4 lines) | 165 569–165 540 | 15.0 | 3.7 | sum = 0.046 ± 0.026 | |
| 2018/09/18.29 | CH3 CN | 12–11 (4 lines) | 220 709–220 747 | 11.1 | 4.9 | sum = 0.105 ± 0.056 | |
| 2018/09/17.1 | CH3 OH | 5−1 − 40 E | 84 521.169 | 28.8 | 3.4 | 0.019 ± 0.004 | −0.20 ± 0.17 |
| 2018/09/16.1 | CH3 OH | 31 − 21 A+ | 143 865.801 | 17.2 | 2.9 | 0.035 ± 0.012 | −0.05 ± 0.20 |
| 30 − 20 E | 145 093.707 | 17.0 | 0.053 ± 0.013 | + 0.03 ± 0.17 | |||
| 3−1 − 2−1 E | 145 097.370 | 0.066 ± 0.013 | −0.02 ± 0.13 | ||||
| 30 − 20 A | 145 103.152 | 0.059 ± 0.011 | −0.05 ± 0.12 | ||||
| 32 − 22 A− | 145 124.410 | 0.016 ± 0.011 | −0.28 ± 0.45 | ||||
| 3± 2 − 2± 2 E | 145 126.290 | 0.023 ± 0.013 | + 0.48 ± 0.46 | ||||
| 31 − 21 E | 145 131.855 | 0.038 ± 0.012 | + 0.18 ± 0.19 | ||||
| 32 − 22 A+ | 145 133.460 | 0.017 ± 0.012 | |||||
| 31 − 21 A− | 146 368.342 | 16.9 | 0.021 ± 0.011 | + 0.08 ± 0.30 | |||
| CH3 OH | 90 − 81 A+ | 146 618.794 | 16.8 | 0.026 ± 0.011 | −0.38 ± 0.34 | ||
| 2018/09/17.3 | CH3 OH | 11 − 10 E | 165 050.229 | 15.0 | 3.7 | 0.044 ± 0.013 | + 0.17 ± 0.19 |
| 21 − 20 E | 165 061.187 | 0.054 ± 0.015 | + 0.22 ± 0.24 | ||||
| 31 − 30 E | 165 099.300 | 0.071 ± 0.015 | −0.21 ± 0.15 | ||||
| 41 − 40 E | 165 190.539 | 0.030 ± 0.014 | + 0.25 ± 0.22 | ||||
| 51 − 50 E | 165 369.410 | 0.060 ± 0.013 | + 0.21 ± 0.17 | ||||
| 61 − 60 E | 165 678.724 | 0.035 ± 0.011 | + 0.10 ± 0.22 | ||||
| 71 − 70 E | 166 169.179 | 14.9 | 0.053 ± 0.012 | + 0.02 ± 0.18 | |||
| 81 − 80 E | 166 898.566 | 14.8 | 0.021 ± 0.012 | −0.09 ± 0.43 | |||
| 91 − 90 E | 167 931.056 | 14.7 | 0.008 ± 0.011 | ||||
| CH3 OH | 32 − 21 E | 170 060.581 | 14.5 | 0.066 ± 0.031 | + 0.25 ± 0.36 | ||
| 2018/09/18.3 | CH3 OH | 42 − 31 E | 218 440.050 | 11.2 | 4.9 | 0.082 ± 0.027 | + 0.17 ± 0.21 |
| 2018/09/18.1 | H2 CO | 312 − 211 | 225 697.772 | 10.7 | 4.6 | 0.069 ± 0.028 | + 0.27 ± 0.29 |
| 2018/09/18.29 | H2 CO | 303 − 202 | 218 222.191 | 11.2 | 4.9 | 0.055 ± 0.029 | |
| 2018/09/16.1 | H2 CO | 202 − 101 | 145 602.953 | 17.0 | 2.9 | 0.000 ± 0.012 | |
| 2018/09/16.2 | H2 CO | 211 − 110 | 150 498.334 | 16.4 | 3.3 | 0.004 ± 0.011 | |
| 2018/09/16.44 | CO | 2–1 | 230 538.000 | 10.6 | 2.8 | <0.267 | |
| 2018/09/17.3 | H2 S | 110 − 101 | 168 762.762 | 14.6 | 3.7 | 0.037 ± 0.013 | + 0.12 ± 0.21 |
| 2018/09/16.2 | CS | 3–2 | 146 969.029 | 16.8 | 3.1 | 0.076 ± 0.008 | + 0.02 ± 0.07 |
| 2018/09/14.9 | 6.1 | 0.050 ± 0.021 | |||||
| 2018/09/16.8 | NH2 CHO | 70,7 − > 81,8 (5 li.) | 142 701–167 321 | 17–15 | 3.5 | (average) < 0.017 | |
Notes. (a)From Müller et al. (2005) and Pickett et al. (1998). (b)Half power Gaussian beam width and average radial pointing offset. On average 9–27′′ corresponded to 5700–17 000 km at the distance of the comet in 1998 and 2600–7800 km in 2018. (c)Average Doppler shift of the four lines.
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