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Table 4

Observed flux densities, velocity shifts and production rates in comet C/2002 T7 (LINEAR) observed with the SMT in 8–11 May 2004.

Molecule Datea Transitionb Frequencyc Backend σTmB d Δve vexp Qf
(UT) (GHz) (K) (Kkm s-1) (m s-1) (km s-1) (molec.s-1)
HCN 8.68 3–2 265.886180 AOSA 0.031 2.757(61) –1.6(4) × 102 1.05(10) 4.37(10) × 1026
HCN 8.68 3–2 265.886180 AOSB 0.031 2.878(61) –5.5(5) × 102 1.04(10) 4.56(10) × 1026
HCN 8.68 3–2 265.886180 CTSB 0.132 2.814(56) –2.8(2) × 102 0.90(9) 4.46(9) × 1026
H2CO 8.82 312–211 225.697775 AOSA 0.028 0.458(61) +2.4(13) × 102 1.15(11) 2.26(30) × 1027
H2CO 8.82 312–211 225.697775 AOSB 0.032 0.497(67) –1.1(8) × 102 1.21(12) 2.45(33) × 1027
H2CO 8.82 312–211 225.697775 CTSB 0.181 0.347(70) +1.5(15) × 102 0.95(10) 1.71(35) × 1027
CO 9.67 2–1 230.538000 AOSA 0.036 <0.133 <1.62 × 1028
CO 9.67 2–1 230.538000 AOSB 0.030 <0.112 <1.36 × 1028
CO 9.67 2–1 230.538000 CTSB 0.191 <0.217 <2.63 × 1028
HCN 9.70 3–2 265.886180 AOSA 0.045 2.474(81) –3.0(50) × 101 0.99(10) 3.92(13) × 1026
HCN 9.70 3–2 265.886180 AOSB 0.040 2.471(73) –5.3(5) × 102 1.01(10) 3.91(12) × 1026
HCN 9.70 3–2 265.886180 CTSB 0.216 2.778(87) –2.0(3) × 102 0.89(9) 4.40(14) × 1026
CH3OH 10.74 50–40 E 241.700159 AOSA 0.017 0.212(26) +2.2(15) × 102 0.68(7) 1.06(13) × 1028
CH3OH 10.74 50–40 E 241.700159 AOSB 0.019 0.250(29) –7.3(13) × 102 0.99(10) 1.25(15) × 1028
CH3OH 10.74 5-1–4-1 E 241.767234 AOSA 0.017 0.257(24) +6.4(9) × 102 0.98(10) 1.13(11) × 1028
CH3OH 10.74 5-1–4-1 E 241.767234 AOSB 0.019 0.376(31) –5(11) × 101 1.11(11) 1.66(14) × 1028
CH3OH 10.74 50–40 A+ 241.791352 AOSA 0.017 0.337(28) +4.1(11) × 102 1.12(11) 1.36(11) × 1028
CH3OH 10.74 50–40 A+ 241.791352 AOSB 0.019 0.310(29) –1.5(11) × 102 0.93(9) 1.24(12) × 1028
CH3OH 10.74 53–43  A+ 241.832718 AOSA 0.017 0.281(26)
CH3OH 10.74 53–43  A+ 241.832718 AOSB 0.019 0.194(27)
CH3OH 10.74 53–43  A+ 241.832718 CTSB 0.092 0.296(35)
CH3OH 10.74 53–43  A− 241.833106 AOSA 0.017 0.281(26)
CH3OH 10.74 53–43  A− 241.833106 AOSB 0.019 0.194(27)
CH3OH 10.74 53–43  A− 241.833106 CTSB 0.092 0.296(35)
CH3OH 10.74 52–42  A− 241.842284 AOSA 0.017 0.304(31)
CH3OH 10.74 52–42  A− 241.842284 AOSB 0.019 0.380(31)
CH3OH 10.74 52–42  A− 241.842284 CTSB 0.092 0.242(44)
CH3OH 10.74 53–43  E 241.843604 AOSA 0.017 0.304(31)
CH3OH 10.74 53–43  E 241.843604 AOSB 0.019 0.380(31)
CH3OH 10.74 53–43  E 241.843604 CTSB 0.092 0.242(44)
CH3OH 10.74 51–41 E 241.879025 AOSA 0.017 0.374(28) +2.4(10) × 102 1.15(12) 2.53(19) × 1028
CH3OH 10.74 51–41 E 241.879025 AOSB 0.019 0.353(31) –2.3(12) × 102 1.21(12) 2.38(21) × 1028
CH3OH 10.74 51–41 E 241.879025 CTSB 0.092 0.405(41) +7.1(10) × 102 0.85(9) 2.73(28) × 1028
CH3OH 10.74 52–42 A+ 241.887674 AOSA 0.017 0.272(28) +3.4(13) × 102 1.48(15) 2.42(25) × 1028
CH3OH 10.74 52–42 A+ 241.887674 AOSB 0.019 0.224(31) +2.5(18) × 102 1.12(11) 2.00(28) × 1028
CH3OH 10.74 52–42 A+ 241.887674 CTSB 0.092 0.269(43) +6.4(19) × 102 2.40(38) × 1028
CH3OH 10.74 5-2–4-2  E 241.904147 AOSA 0.017 0.403(26)
CH3OH 10.74 5-2–4-2  E 241.904147 AOSB 0.019 0.471(29)
CH3OH 10.74 5-2–4-2  E 241.904147 CTSB 0.092 0.418(47)
CH3OH 10.74 52–42  E 241.904643 AOSA 0.017 0.403(26)
CH3OH 10.74 52–42  E 241.904643 AOSB 0.019 0.471(29)
CH3OH 10.74 52–42  E 241.904643 CTSB 0.092 0.418(47)
CS 10.74 5–4 244.935643 AOSA 0.021 0.909(39) +3.2(5) × 102 0.98(10) 5.54(24) × 1026
CS 10.74 5–4 244.935643 AOSB 0.017 1.071(39) +6.5(6) × 102 1.06(11) 6.53(24) × 1026
CS 10.74 5–4 244.935643 CTSB 0.092 0.975(37) +1.4(3) × 102 0.81(8) 5.95(23) × 1026
HCN 11.60 3–2 265.886180 AOSA 0.034 3.154(62) –2.7(36) × 101 1.05(10) 4.99(10) × 1026
HCN 11.60 3–2 265.886180 AOSB 0.030 3.285(53) –4.7(3) × 102 1.07(11) 5.20(8) × 1026
HCN 11.60 3–2 265.886180 CTSB 0.129 3.184(52) –1.7(1) × 102 0.88(9) 5.04(8) × 1026
HNC 11.69 3–2 271.981142 AOSA 0.013 0.315(23) –1.3(7) × 102 0.95(9) 4.36(32) × 1025
HNC 11.69 3–2 271.981142 AOSB 0.013 0.365(23) +3.0(7) × 102 0.96(10) 5.05(32) × 1025
HNC 11.69 3–2 271.981142 CTSB 0.063 0.396(23) +4.2(40) × 101 0.85(9) 5.48(32) × 1025

Notes.

(a)

Mid-time of the observations recorded as decimal days in May 2004.

(b)

CH3OH transitions marked in boldface indicate blended lines.

(c)

The line frequencies were obtained from the latest online edition of the JPL Molecular Spectroscopy Catalog (Pickett et al. 1998).

(d)

Line intensities and production rates of CO are derived 3-σ upper limits.

(e)

The velocity offsets are computed with respect to the optocenters of the complete components for blended lines.

(f)

Production rates computed for Tkin = 119   K, vexp = 0.90   km s-1, xne = 0.2, and a pointing offset of 2′′.

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