Table 3
Observed flux densities integrated over velocity, Doppler velocity shifts and production rates in comet C/2001 Q4 (NEAT) measured with the SMT in 7–11 May 2004.
Molecule | Datea | Transitionb | Frequencyc | Backend | σTmB |
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Δve | vexp | Qf |
(UT) | (GHz) | (K) | (Kkm s-1) | (m s-1) | (km s-1) | (molec.s-1) | |||
|
|||||||||
HCN | 7.98 | 3–2 | 265.886180 | AOSA | 0.033 | 3.607(70) | −1.6(4) × 102 | 0.93(9) | 3.04(6) × 1026 |
HCN | 7.98 | 3–2 | 265.886180 | AOSB | 0.028 | 3.556(62) | −5.7(7) × 102 | 0.93(9) | 2.99(5) × 1026 |
HCN | 7.98 | 3–2 | 265.886180 | CTSB | 0.165 | 3.374(61) | −1.9(1) × 102 | 0.73(7) | 2.84(5) × 1026 |
H2CO | 8.12 | 312–211 | 225.697775 | AOSA | 0.024 | 0.208(49) | −4.8(30) × 102 | 1.02(10) | 3.50(82) × 1026 |
H2CO | 8.12 | 312–211 | 225.697775 | AOSB | 0.026 | 0.199(45) | −7.0(17) × 102 | 0.75(8) | 3.36(75) × 1026 |
H2CO | 8.12 | 312–211 | 225.697775 | CTSB | 0.166 | <0.193 | <3.26 × 1026 | ||
CO | 9.01 | 2–1 | 230.538000 | AOSA | 0.020 | 0.108(32) | −2(15) × 101 | 0.33(3) | 7.8(23) × 1027 |
CO | 9.01 | 2–1 | 230.538000 | AOSB | 0.020 | 0.108(33) | −5.0(28) × 102 | 0.75(7) | 7.8(24) × 1027 |
CO | 9.01 | 2–1 | 230.538000 | CTSB | 0.095 | 0.160(36) | −1.0(17) × 102 | 0.73(7) | 1.15(26) × 1028 |
CH3OH | 11.03 | 50–40 E | 241.700159 | AOSA | 0.016 | 0.181(24) | −1.2(1) × 103 | 1.13(11) | 4.89(66) × 1027 |
CH3OH | 11.03 | 50–40 E | 241.700159 | AOSB | 0.017 | 0.174(26) | −2.1(2) × 103 | 1.15(11) | 4.69(71) × 1027 |
CH3OH | 11.03 | 5-1–4-1 E | 241.767234 | AOSA | 0.016 | 0.163(23) | −1.2(1) × 103 | 1.13(11) | 3.88(54) × 1027 |
CH3OH | 11.03 | 5-1–4-1 E | 241.767234 | AOSB | 0.017 | 0.163(24) | −1.3(2) × 103 | 0.62(6) | 3.89(58) × 1027 |
CH3OH | 11.03 | 50–40 A+ | 241.791352 | AOSA | 0.016 | 0.274(26) | −7(12) × 101 | 1.15(12) | 5.94(57) × 1027 |
CH3OH | 11.03 | 50–40 A+ | 241.791352 | AOSB | 0.017 | 0.161(26) | −1.1(2) × 103 | 0.77(8) | 3.49(57) × 1027 |
CH3OH | 11.03 | 53–43 A+ | 241.832718 | AOSA | 0.016 | 0.108(23) | |||
CH3OH | 11.03 | 53–43 A+ | 241.832718 | AOSB | 0.017 | 0.099(22) | |||
CH3OH | 11.03 | 53–43 A+ | 241.832718 | CTSB | 0.069 | 0.080(26) | |||
CH3OH | 11.03 | 53–43 A− | 241.833106 | AOSA | 0.016 | 0.108(23) | |||
CH3OH | 11.03 | 53–43 A− | 241.833106 | AOSB | 0.017 | 0.099(22) | |||
CH3OH | 11.03 | 53–43 A− | 241.833106 | CTSB | 0.069 | 0.080(26) | |||
CH3OH | 11.03 | 52–42 A− | 241.842284 | AOSA | 0.016 | 0.122(23) | |||
CH3OH | 11.03 | 52–42 A− | 241.842284 | AOSB | 0.017 | 0.123(26) | |||
CH3OH | 11.03 | 52–42 A− | 241.842284 | CTSB | 0.069 | 0.191(32) | |||
CH3OH | 11.03 | 53–43 E | 241.843604 | AOSA | 0.016 | 0.122(23) | |||
CH3OH | 11.03 | 53–43 E | 241.843604 | AOSB | 0.017 | 0.123(26) | |||
CH3OH | 11.03 | 53–43 E | 241.843604 | CTSB | 0.069 | 0.191(32) | |||
CH3OH | 11.03 | 51–41 E | 241.879025 | AOSA | 0.016 | 0.082(23) | +2.9(31) × 102 | 0.88(9) | 2.99(82) × 1027 |
CH3OH | 11.03 | 51–41 E | 241.879025 | AOSB | 0.017 | 0.077(24) | −9.0(32) × 102 | 0.60(6) | 2.80(89) × 1027 |
CH3OH | 11.03 | 51–41 E | 241.879025 | CTSB | 0.069 | 0.204(32) | −1.1(2) × 103 | 1.59(16) | 7.4(12) × 1027 |
CH3OH | 11.03 | 5-2–4-2 E | 241.904147 | AOSA | 0.016 | 0.191(24) | |||
CH3OH | 11.03 | 5-2–4-2 E | 241.904147 | AOSB | 0.017 | 0.255(26) | |||
CH3OH | 11.03 | 5-2–4-2 E | 241.904147 | CTSB | 0.069 | 0.280(32) | |||
CH3OH | 11.03 | 52–42 E | 241.904643 | AOSA | 0.016 | 0.191(24) | |||
CH3OH | 11.03 | 52–42 E | 241.904643 | AOSB | 0.017 | 0.255(26) | |||
CH3OH | 11.03 | 52–42 E | 241.904643 | CTSB | 0.069 | 0.280(32) | |||
CS | 11.03 | 5–4 | 244.935643 | AOSA | 0.013 | 0.644(23) | +2.0(5) × 102 | 0.96(10) | 2.00(7) × 1026 |
CS | 11.03 | 5–4 | 244.935643 | AOSB | 0.013 | 0.688(29) | +4.9(9) × 102 | 0.92(9) | 2.13(9) × 1026 |
CS | 11.03 | 5–4 | 244.935643 | CTSB | 0.068 | 0.676(25) | +8.1(25) × 101 | 0.75(8) | 2.10(8) × 1026 |
HNC | 11.95 | 3–2 | 271.981142 | AOSA | 0.016 | 0.222(29) | −7(17) × 101 | 0.82(8) | 1.66(22) × 1025 |
HNC | 11.95 | 3–2 | 271.981142 | AOSB | 0.016 | 0.233(28) | +6(12) × 101 | 1.04(10) | 1.74(21) × 1025 |
Notes.Statistical uncertainties are shown in brackets after the respective values in units of the last significant digits.
The line frequencies were obtained from the latest online edition of the JPL Molecular Spectroscopy Catalog (Pickett et al. 1998).
Line intensities and production rates of H2CO measured with the CTSB are derived 3-σ upper limits.
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