Table 2: Molecular observations in comet C/1999 T1 (McNaught-Hartley).
UT date $\langle r_{\rm h}\rangle$ $\langle \Delta\rangle$ Int. time Species (transition) $\int T_b{\rm d}v$ Velocity offset Offset
[mm/dd.dd-dd.dd] [AU] [AU] [min]   [K km s-1] [km s-1]  
SEST 15 m: September 2000:
09/28.64-30.74 1.641 2.056 280 HCN(3-2) $0.136\pm0.018$ $-0.27\pm0.10$ 4 $^{\prime\prime}$
09/28.64-30.74 1.641 2.056 280 HCN(1-0) <0.021   4 $^{\prime\prime}$
IRAM 30 m: January-February 2001:
01/24.46-24.53 1.345 1.303 60 HCN(3-2) $0.575\pm0.085$ $-0.01\pm0.08$ 4.7 $^{\prime\prime}$
01/24.46-33.50 1.398 1.288 720 HCN(1-0) $0.063\pm0.006$ $-0.08\pm0.06$ 5.1 $^{\prime\prime}$
01/24.46-33.50 1.395 1.291 500 CO(2-1) $0.058\pm0.007$ $+0.07\pm0.06$ 5.1 $^{\prime\prime}$
01/24.46-33.50 1.400 1.287 500 CH3OH(1, 0-1, -1)E $0.033\pm0.008$ $-0.41\pm0.17$ 5.1 $^{\prime\prime}$
        CH3OH(2, 0-2, -1)E $0.029\pm0.008$ $-0.35\pm0.18$  
        CH3OH(3, 0-3, -1)E $0.058\pm0.008$ $-0.13\pm0.08$  
        CH3OH(4, 0-4, -1)E $0.045\pm0.007$ $-0.04\pm0.10$  
        CH3OH(5, 0-5, -1)E $0.040\pm0.006$ $-0.34\pm0.11$  
        CH3OH(6, 0-6, -1)E $0.033\pm0.007$ $-0.07\pm0.12$  
        CH3OH(7, 0-7, -1)E $0.028\pm0.006$ $+0.06\pm0.11$  
01/25.48-25.51 1.352 1.300 35 HCN(3-2) $0.380\pm0.148$   5.0 $^{\prime\prime}$1
01/26.31-26.50 1.359 1.297 160 HCN(3-2) $0.425\pm0.083$ $-0.11\pm0.11$ 5.5 $^{\prime\prime}$1
01/31.16-31.28 1.398 1.288 95 HCN(3-2) $0.433\pm0.026$ $+0.09\pm0.04$ 5.0 $^{\prime\prime}$
01/31.16-32.48 1.405 1.287 330 HNC(3-2) <0.076   5.1 $^{\prime\prime}$
01/31.16-32.48 1.403 1.287 330 H2S( 110-101) $0.081\pm0.012$ $-0.13\pm0.08$ 5.0 $^{\prime\prime}$
02/01.20-01.29 1.406 1.287 80 CS(3-2) <0.047   5.1 $^{\prime\prime}$
02/01.20-02.50 1.412 1.287 205 CS(5-4) $0.083\pm0.010$ $+0.10\pm0.07$ 5.2 $^{\prime\prime}$
02/01.20-01.29 1.406 1.287 80 H2CO( 312-211) $0.053\pm0.010$ $+0.06\pm0.13$ 5.1 $^{\prime\prime}$
02/01.20-01.29 1.406 1.287 80 CH3CN(8, 0+8, 1+8, 2) <0.076   5.1 $^{\prime\prime}$
02/02.20-02.34 1.415 1.287 120 HCN(3-2) $0.266\pm0.020$ $+0.15\pm0.05$ 4.7 $^{\prime\prime}$
CSO 10 m: January-February 2001:
01/05.60-05.65 1.227 1.419 42.7 HCN(3-2) $0.186\pm0.023$ $-0.06\pm0.11$ 6.7 $^{\prime\prime}$
01/05.66-05.72 1.228 1.417 58.7 CO(3-2) $0.154\pm0.024$ $+0.06\pm0.11$ 6.0 $^{\prime\prime}$
01/05.66-05.72 1.228 1.417 58.7 CS(7-6) $0.079\pm0.025$ $-0.24\pm0.23$ 6.0 $^{\prime\prime}$
01/06.59-06.62 1.232 1.410 32.0 HCN(3-2) $0.240\pm0.025$ $-0.02\pm0.07$ 5.5 $^{\prime\prime}$
01/06.63-06.71 1.233 1.410 72.0 CH3OH(2, 1-2, 0)A-+ $0.165\pm0.018$ $-0.04\pm0.05$ 5.5 $^{\prime\prime}$
        CH3OH(4, 1-4,0)A-+ $0.220\pm0.018$ $-0.14\pm0.08$ 5.5 $^{\prime\prime}$
01/07.61-07.68 1.238 1.402 64.0 HNC(3-2) <0.075   5.7 $^{\prime\prime}$
01/07.69-07.71 1.238 1.401 16.0 CH3OH(5, 0-4, 0)A+ $0.175\pm0.026$ $-0.16\pm0.10$ 5.7 $^{\prime\prime}$
        CH3OH(5, -1-4, -1)E $0.080\pm0.026$ $-0.32\pm0.24$ 5.7 $^{\prime\prime}$
        CH3OH(5, 0-4, 0)E $0.139\pm0.032$   5.7 $^{\prime\prime}$
        CH3OH(5, 2-4, 2)E <0.096   5.7 $^{\prime\prime}$
01/07.69-07.71 1.238 1.401 16.0 CS(5-4) <0.078   5.7 $^{\prime\prime}$
01/30.60-30.65 1.393 1.289 52.0 HCN(3-2) $0.206\pm0.017$ $+0.37\pm0.06$ 5.0 $^{\prime\prime}$
01/30.66-30.71 1.393 1.288 48.0 CO(2-1) <0.049   5.0 $^{\prime\prime}$
02/04.56-08.62 1.440 1.288 154. CO(3-2) $0.070\pm0.017$ $+0.48\pm0.20$ 5.8 $^{\prime\prime}$
02/04.56-08.62 1.440 1.288 154. CS(7-6) $0.087\pm0.018$ $-0.16\pm0.13$ 5.8 $^{\prime\prime}$
02/05.58-05.64 1.444 1.288 50.7 HCN(3-2) $0.180\pm0.020$ $-0.08\pm0.07$ 6.0 $^{\prime\prime}$
02/05.65-05.70 1.444 1.288 53.3 HCN(4-3) $0.226\pm0.032$ $-0.06\pm0.09$ 6.0 $^{\prime\prime}$
02/06.58-06.61 1.452 1.289 37.3 HCN(3-2) $0.205\pm0.018$ $+0.00\pm0.06$ 5.8 $^{\prime\prime}$
02/06.62-07.70 1.457 1.290 150. HNC(3-2) <0.018   5.9 $^{\prime\prime}$
02/07.56-07.57 1.461 1.291 8.0 HCN(3-2) $0.188\pm0.038$ $+0.11\pm0.13$ 6.0 $^{\prime\prime}$

1 Loss in efficiency due to frost on the antenna (beam degraded to 14 $^{\prime\prime}$).

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