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Table 1
Log of the observed rotational transitions in comets C/2001 Q4 (NEAT) and C/2002 T7 (LINEAR) in our SMT observing campaign from 7 to 11 May 2004.
Target | Moleculea | Frequency | Dateb | Transition | Nc | Expd | ⟨ rh ⟩e | ⟨ Δ ⟩f | ⟨ φ ⟩g | Beam FWHM |
(GHz) | (UT) | (min) | (AU) | (AU) | (°) | (′′) | ||||
|
||||||||||
Q4 | HCN | 265.886180 | 7.98 | 3–2 | 20 | 120 | 0.972 | 0.323 | 87![]() |
27![]() |
Q4 | H2CO | 225.697775 | 8.12 | 312–211 | 15 | 90 | 0.972 | 0.324 | 87![]() |
32![]() |
T7 | HCN | 265.886180 | 8.68 | 3–2 | 30 | 120 | 0.702 | 0.522 | 110![]() |
27![]() |
T7 | H2CO | 225.697775 | 8.82 | 312–211 | 23 | 92 | 0.704 | 0.517 | 110![]() |
32![]() |
Q4 | CO | 230.538000 | 9.01 | 2–1 | 43 | 240 | 0.970 | 0.329 | 87![]() |
32![]() |
T7 | CO | 230.538000 | 9.67 | 2–1 | 24 | 96 | 0.713 | 0.487 | 113![]() |
32![]() |
T7 | HCN | 265.886180 | 9.70 | 3–2 | 15 | 60 | 0.713 | 0.486 | 113![]() |
27![]() |
T7 | CS | 244.935643 | 10.74 | 5–4 | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
T7 | CH3OH | 241.700159 | 10.74 | 50–40 E | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
T7 | CH3OH | 241.767234 | 10.74 | 5-1–4-1 E | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
T7 | CH3OH | 241.791352 | 10.74 | 50–40 A+ | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
T7 | CH3OH | 241.832718 | 10.74 | 53–43 A+ | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
T7 | CH3OH | 241.833106 | 10.74 | 53–43 A− | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
T7 | CH3OH | 241.842284 | 10.74 | 52–42 A− | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
T7 | CH3OH | 241.843604 | 10.74 | 53–43 E | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
T7 | CH3OH | 241.879025 | 10.74 | 51–41 E | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
T7 | CH3OH | 241.887674 | 10.74 | 52–42 A+ | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
T7 | CH3OH | 241.904147 | 10.74 | 5-2–4-2 E | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
T7 | CH3OH | 241.904643 | 10.74 | 52–42 E | 60 | 240 | 0.724 | 0.450 | 116![]() |
30![]() |
Q4 | CS | 244.935643 | 11.03 | 5–4 | 78 | 312 | 0.966 | 0.349 | 87![]() |
30![]() |
Q4 | CH3OH | 241.700159 | 11.03 | 50–40 E | 78 | 312 | 0.966 | 0.349 | 87![]() |
30![]() |
Q4 | CH3OH | 241.767234 | 11.03 | 5-1–4-1 E | 78 | 312 | 0.966 | 0.349 | 87![]() |
30![]() |
Q4 | CH3OH | 241.791352 | 11.03 | 50–40 A+ | 78 | 312 | 0.966 | 0.349 | 87![]() |
30![]() |
Q4 | CH3OH | 241.832718 | 11.03 | 53–43 A+ | 78 | 312 | 0.966 | 0.349 | 87![]() |
30![]() |
Q4 | CH3OH | 241.833106 | 11.03 | 53–43 A− | 78 | 312 | 0.966 | 0.349 | 87![]() |
30![]() |
Q4 | CH3OH | 241.842284 | 11.03 | 52–42 A− | 78 | 312 | 0.966 | 0.349 | 87![]() |
30![]() |
Q4 | CH3OH | 241.843604 | 11.03 | 53–43 E | 78 | 312 | 0.966 | 0.349 | 87![]() |
30![]() |
Q4 | CH3OH | 241.879025 | 11.03 | 51–41 E | 78 | 312 | 0.966 | 0.349 | 87![]() |
30![]() |
Q4 | CH3OH | 241.904147 | 11.03 | 5-2–4-2 E | 78 | 312 | 0.966 | 0.349 | 87![]() |
30![]() |
Q4 | CH3OH | 241.904643 | 11.03 | 52–42 E | 78 | 312 | 0.966 | 0.349 | 87![]() |
30![]() |
T7 | HCN | 265.886180 | 11.60 | 3–2 | 7 | 28 | 0.734 | 0.421 | 119![]() |
27![]() |
T7 | HNC | 271.981142 | 11.69 | 3–2 | 30 | 120 | 0.735 | 0.418 | 119![]() |
27![]() |
Q4 | HNC | 271.981142 | 11.95 | 3–2 | 45 | 180 | 0.964 | 0.362 | 86![]() |
27![]() |
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